2024年5月8日发(作者：斋宜欣)

Designation:F432–04

StandardSpecificationfor

RoofandRockBoltsandAccessories

1

ThisstandardisissuedunderthefixeddesignationF432;thenumberimmediatelyfollowingthedesignationindicatestheyearof

originaladoptionor,inthecaseofrevision,rinparenthesesindicatestheyearoflastreapproval.A

superscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.

*

1.1Thisspecificationcoversthechemical,mechanical,and

dimensionalrequirementsforroofandrockboltsandaccesso-

sedinthisspecificationaredouble-endthreaded

andslottedsteelbars;fullygroutedboltsandthreadedbars;

mechanicalanchoragedevicesusedforpointanchorageappli-

cations;rooftrusssystems;partiallygrouteddeformedbolts;

formableanchoragedevices;andotherfrictionalanchorage

heseproductsrepresentvariousdesignsused

ecificationcanberevised

toaddressnewtechnologies.

1.2Thevaluesstatedininch-poundunitsaretoberegarded

uesgiveninparenthesesarefor

informationonly.

1.3ThishazardstatementappliesonlytoSection10,Test

Methodsofthisspecifiandarddoesnotpurport

toaddressthesafetyconcerns,ifany,associatedwithitsuse.

Itistheresponsibilityoftheuserofthisstandardtoestablish

appropriatesafetyandhealthpracticesanddeterminethe

applicabilityofregulatorylimitationspriortouse.

ncedDocuments

2.1ASTMStandards:

2

A29/A29MSpecificationforSteelBars,CarbonandAlloy,

Hot-Wrought,GeneralRequirementsfor

A47/A47MSpecificationforFerriticMalleableIronCast-

ings

A194/A194MSpecificationforCarbonandAlloySteel

NutsforBoltsforHigh-PressureorHigh-Temperature

Service,orBoth

A220SpecificationforPearliticMalleableIron

A370TestMethodsandDefinitionsforMechanicalTesting

ofSteelProducts

ThisspecificationisunderthejurisdictionofASTMCommitteeF16on

FastenersandisthedirectresponsibilityofSubcommitteeF16.02onSteelBolts,

Nuts,Rivets,andWashers.

CurrenteditionapprovedAug.1,ally

eviouseditionapprovedin2001asF432–95(2001).

2

ForreferencedASTMstandards,visittheASTMwebsite,,or

contactASTMCustomerServiceatservice@ualBookofASTM

Standardsvolumeinformation,refertothestandard’sDocumentSummarypageon

theASTMwebsite.

1

A536SpecificationforDuctileIronCastings

A563SpecificationforCarbonandAlloySteelNuts

A568/A568MSpecificationforSteel,Sheet,Carbon,and

High-Strength,Low-Alloy,Hot-RolledandCold-Rolled,

GeneralRequirementsfor

A615/A615MSpecificationforDeformedandPlain

Billet-SteelBarsforConcreteReinforcement

A751TestMethods,Practices,andTerminologyfor

ChemicalAnalysisofSteelProducts

D1248SpecificationforPolyethylenePlasticsExtrusion

MaterialsforWireCable

F436SpecificationforHardenedSteelWashers

F606TestMethodsforDeterminingtheMechanicalProp-

ertiesofExternallyandInternallyThreadedFasteners,

Washers,andRivets

2.2ASMEStandards:

3

B1.1UnifiedScrewThreads

B1.3MScrewThreadGagingSystemsforDimensional

Acceptability—InchandMetricScrewThreads

B18.2.2SquareandHexNuts

ology

3.1Definitions:

3.1.1bearingplates,platewashers,mineroofplates—

platesthatservetodistributetheloadfromtheexposedendof

theboltorthreadedbartotherockfaceorintermediate

member.

3.1.1.1headerplates—largerectangularbearingplates,

usually6in.(152mm)wideby16to18in.(406.4to457.2

mm)long,oranyothershapewithanequivalentarea,usedin

substitutionforwoodenheaderblocksforwiderdistributionof

theboltloadthanispossiblewithstandardbearingplates.

3.1.2bendablebolts—boltsfurnishedwithanalteredsec-

tionatsomelocation,tobespecifiedbythecustomer,atwhich

thebarwillbend.

AvailablefromAmericanSocietyofMechanicalEngineers(ASME),ASME

InternationalHeadquarters,ThreeParkAve.,NewYork,NY10016-5990.

3

*ASummaryofChangessectionappearsattheendofthisstandard.

Copyright©ASTMInternational,100BarrHarborDrive,POBoxC700,WestConshohocken,PA19428-2959,UnitedStates.

1

3.1.2.1Discussion—Bendingisnecessarytopermitinstal-

tered

sectionmaybeproducedbyhotorcoldforging,orbyshearing,

sawing,trimming,machining,grinding,oracombinationof

theseprocesses.

3.1.3beveledwashers—washerswhosefacesareatanangle

permittingaheadedboltorthreadedbartobeinstalledata

slightangletotherockfaceandyetmaintainedthefaceofthe

boltheadperpendiculartotheboltaxis.

3.1.4chemicalanchors—chemicalmaterialsthatprovide

anchoragebetweentheboltorbarandthedrilledhole.

3.1.5expansionshells—anchoragedevicesthatexpandto

gripthesidesofadrilledholemechanicallyandtransferload

fromthelocationoftheanchortothebarorbolt.

3.1.6extensions—threadedbarsusedtoextendthelengthof

threadedorthreadedslottedbars.

3.1.7formableanchoragedevices—anyroofsupportde-

vicesthatprovideanchoragethroughsomemeansofphysical

interferenceandengagementofthesurfaceofabarorboltwith

anyformablematerial,otherthanchemicalgrout,inabore-

hole.

3.1.8frictionalanchoragedevices—roofsupportdevices

thataredesignedsothattheholdingforceactsoverthefull

contactlength.

3.1.9fullygroutedboltsandthreadedbars—deformedbars

orplainbarsusedwithfull-lengthgroutingandhavingspecial

deformationsorotherdesignfeaturestoprovideinterlocking

betweenthesteelandthegrout.

3.1.10hardenedwashers—washersthathavebeenhard-

enedbyheattreatmenttoprovideconsistencytothetorque

tensionrelationnecessarytocontrolinstallationtensionof

boltsandthreadedbars.

3.1.11minimumnon-seizureload(MNSL)—theloadlevel

inpoundsthroughwhichbolt/plugthreadseizuremustnot

occur.

3.1.12minimumultimateload(MUL)—theloadlevelin

poundsthroughwhichbolt/plugthreadfailuremustnotoccur.

3.1.13rollers,cams—movingdevicesthat,whenusedwith

internallythreadedcylinderscontainingexternaltaperedslots,

provideexpansiontogripthesidesofadrilledholemechani-

callyandtransferloadfromthelocationoftheanchortothe

barorbolt.

3.1.14roofandrockbolts—headedhot-rolledbarswith

cold-rolledormachine-cutthreadsattheend,tobeusedwith

anchoragedevicestoholdupmineroofs,holdbackwalls,or

holddownequipmentorfoundations.

3.1.15rooftrusssystem—aroofsupportsystemincorporat-

ingboltsthatarejoinedtogetherbycrossmember(s)thatis

(are)tensionedbydesign.

3.1.16sphericalwashersorseats—washersthatareflaton

combinationofsphericalwashertogetherwithadepressionin

thebearingplateproducesaball-and-socketjointpermitting

boltstobeinstalledataslightangletotherockfacewhilestill

maintainingthefaceoftheboltheadperpendiculartothebolt

axis.

3.1.17taperedwedges—plainwedgesthatprovidethe

expansionforthreadedslottedbars.

3.1.18tensionnuts—nutsthatareintendedtoinduceand

maintaintensioninabolt.

3.1.19threadedbars—barsthatareusedwithanutonone

eusedina

mannersimilartotheboltsdescribedin3.1.14.

3.1.20threadedcouplings—couplingsusedtopermitthe

assemblyofadditionalexternallythreadeditems.

3.1.21threadedslottedbars—barsthreadedatoneendeach

withaforged,burned,orsawedslotattheother,intowhicha

chassemblyisdriven

intoabottomedhole,thewedgespreadstheslotandan

anchorageisproduced.

3.1.22threadedtaperedplugs—threadedwedgethatex-

pandstheexpansionshellbythemovementofthethreaded

plugwithintheshellastighteningprogresses.

ngInformation

4.1Ordersformaterialunderthisspecificationshallinclude

atleastthefollowinginformation:

4.1.1Quantity(numberofpieces),

4.1.2Nameofproducttogetherwithdescriptionofacces-

sories,

4.1.3Dimensions,

4.1.4ASTMdesignationandyearofissue,including

strengthgrade,

4.1.5Specialrequirements,ifany,includingpackagingand

threadprotectioninstructions,and

4.1.6Certifications,ifrequired.

4.2Theproductscoveredbythisspecificationarecurrently

producedbymanymanufacturerstoawidevarietyofdesigns.

Itisnecessaryfortheuserandthemanufacturertoestablishthe

requirementsoftheindividualinstallationandtoagreeastothe

exA1andAppendix

X1foradditionalinformation.

cturingProcesses

5.1MaterialsforBolts,Extensions,andThreadedor

ThreadedSlottedBars:

5.1.1Steelshallconformtotherequirementsshownin

Table1andinSpecificationA29/A29Mforplainbarsor

TABLE1ChemicalRequirements

ProductCarbon,max,%Sulfur,max,%Phosphorus,max,

%

HeatProductHeatProductHeatProduct

Bolts,threaded

bars,andthreaded

slottedbars

A

0.750.790.13

B

0.0500.058

Steeltaperedwedges0.800.840.13

B

0.0500.058

Hardenedspherical,

flat,orbeveled

washers0.800.840.0500.0580.0500.058

Sphericalorbeveled

washers0.800.840.0500.0580.0500.058

Bearingandheader

plates1.001.040.0500.0580.0500.058

Steelthreadedtapered

plugs0.600.640.13

B

0.0500.058

Steelexpansionshells0.300.330.0500.0580.0500.058

A

BarsfurnishedinaccordancewithSpecificationA615/A615Mmaybe

substitutedfortheserequirements.

B

Checkanalysisforsulfurifaresulfurizedsteelisnottechnicallyappropriate.

SpecificationA615/A615Mforplainordeformedbarsunless

otherwisespecified.

5.1.1.1Threadedslottedbarsmayhavetheslotproducedby

forging,burning,slotsofGrades55and75

threadedslottedbarsmusthavetheslottedendnormalizedby

heatingtoaminimumof1600°F(870°C)andaircooling

subsequenttoburning.

5.1.1.2Threadsonboltsorthreadedbarsmaybecoldrolled

ormachinecutonthehot-rolledbars.

5.2MaterialsforTaperedWedgesforUseWithThreaded

SlottedBars:

5.2.1MalleableironcastingshallconformtoSpecification

A47/A47M.

5.2.2Pearliticmalleableironcastingsshallconformto

SpecificationA220,Grades45006or50005.

5.2.3Steelshallconformtotherequirementsshownin

Table1.

5.3MaterialsforExpansionShells:

5.3.1MalleableironcastingsshallconformtoSpecification

A47/A47M.

5.3.2Steelshallconformtotherequirementsshownin

Table1.

5.3.3DuctileironcastingsshallconformtoSpecification

A536,Grades60-40-18.

5.4Materialsforthreadedtaperedplugsusedwithexpan-

sionshellsshallconformtothetestspecificationsin10.8.

5.5MaterialsforBearingandHeaderPlates,AlsoKnown

AsPlateWashersorMineRoofPlates:

5.5.1Steelshallconformtotherequirementsshownin

Table1.

5.5.1.1Bearingandheaderplatesmaybestrengthenedby

coldformingormaybehardenedbyquenchinginaliquid

mediumfromabovetheaustenitizingtemperatureandtemper-

ingatatemperatureofnotlessthan650°F(345°C).

5.6MaterialsforSpherical,Flat,orBeveledHardened

Washers:

5.6.1Steelshallconformtotherequirementsshownin

Table1.

5.6.1.1Hardenedsteelwashersshallbethroughhardened

byquenchinginaliquidmediumfromabovetheaustenitizing

temperatureandtemperingatatemperatureofnotlessthan

650°F(345°C).Case-hardenedwashersarenotpermitted.

5.7MaterialsforSphericalorBeveledWashers:

5.7.1MalleableironcastingsshallconformtoSpecification

A47/A47M.

5.7.2Pearliticmalleableironcastingsshallconformto

SpecificationA220,Grades45006,50005,or60004.

5.7.3Steelshallconformtotherequirementsshownin

Table1.

5.8NutsshallbeinaccordancewithSpecificationsA194/

riatenutsforeachgradeofthreaded

strengthnutsconformingto

SpecificationsA194/A194MorA563maybesubstituted.

Whenspecifiedontheorderorcontract,nutswithexternal

dimensionsofnominal

3

⁄

4

-exorheavysquaresize

maybesuppliedwith

5

⁄

8

-sforusewith

5

⁄

8

-ed

bars.

TABLE2AppropriateNuts

Bolt,ThreadedBar,orThreadedSlottedNutSpecification

BarGrade

30(regularstrength)A194,Grade1;A563,GradeB

55(highstrength)A194,Grade1;A563,GradeB

75(extrahighstrength)A194,Grade2;A563,GradeC

5.9ChemicalgroutingmaterialsarecoveredinAnnexA3of

thisspecification.

5.10Materialsforthreadedcouplingsshallbeselectedby

themanufacturertoensurecompliancewith7.6and8.7.

5.11MaterialsforBoltsandThreadedBarsforUsein

GroutedSystems—Plainordeformedsteelbarsshallconform

toTable1orSpecificationA615/A615M.

5.12MaterialsforFrictionalAnchorageDevices—Sheet

steelshallconformtoSpecificationA568/A568M.

5.13Componentsofrooftrusssystemsshallbemanufac-

turedinaccordancewiththeappropriateparagraph(s)of

Section5ofthisspecification.

5.14MaterialsforFormableAnchors:

5.14.1Materialsforformableanchortubesareasfollows:

5.14.1.1Polyethylenesusedforformableanchortubesshall

conformtoASTMD1248ClassificationTypeIII,ClassAor

B,Category5.

N

OTE

1—Allshapes,compositions,andpropertiesofformableanchor

materialsarenotcoveredbythisspecifiustensurethatthe

formableanchormaterialofferedissuitableforitsintendeduse.

alComposition

6.1Materialsusedforbolts,threadedbars,threadedslotted

bars,spherical,flat,orbeveledwashers,threadedtapered

plugs,taperedwedges,expansionshells,bearingplatesand

rooftrusscomponentsshallbeasspecifiedinTable1and

Section5.

6.2Materialsforallcastorwroughtmetallicitemsother

thanthosecoveredin6.1shallconformtotherequirementsas

specifiedinSection5.

6.3Individualheatsofsteelorcastironarenotidentifiedin

anyofthefinishedproducts.

6.4Chemicalanalysesforsteelproductsshallbeperformed

inaccordancewithTestMethods,Practices,andTerminology

A751.

6.5Materialsforformableanchorsshallconformtothe

requirements,ifapplicable,specifiedinSection5.

6.6Chemicalanalysesshallbeperformedinaccordance

withTestMethods,Practices,andTerminologyA751.

icalProperties

7.1Mechanicalpropertiesofsteelbars,forthemanufacture

ofbolts,threadedbars,orthreadedslottedbarsshallbeas

specifiedinTable3fortherequiredgrade.

7.2Mechanicalpropertiesofsteelbolts,threadedbars,and

threadedslottedbarswhoseslotshavebeenproducedwithout

materialremovalshallbeasspecifiedinTable4forthe

requiredgrade.

7.3Expansionshells,threadedtaperedplugs,tapered

wedges,andsphericalwashersshallconformtotheapplicable

specificationofSection5andshallsuccessfullyperformthe

requiredpurposeasdescribedinAnnexA1.

TABLE3MechanicalPropertiesofSteelBarsforthe

ManufactureofBolts,ThreadedBars,andThreadedSlotted

Bars

AB

GradeNominalYieldPointTensileElongationin

Diameter,min,psi(MPa)Strengthmin,200

in.

C

psi(MPa)mmMinimum,

%

40

D

3

⁄

4

–1

1

⁄

2

40000(276)70000(483)12

55

5

⁄

8

–1

1

⁄

2

55000(379)85000(586)12

60

D

5

⁄

8

–1

1

⁄

2

60000(414)90000(621)9

75

5

⁄

8

–1

1

⁄

2

75000(517)100000(688)8

100

5

⁄

8

–1

1

⁄

2

100000(689)125000(862)6

A

Testofbarsshallbeperformedfullsize.

B

imum

minimumelongationshallbe4%forallgradesabove100.

C

Actualbardiametersaresomewhatlessthannominal,especiallywhenroll

threadingmethodsareemployed.

D

Grade40and60onlyapplytodeformedbar.

7.4Bearingplatesandheaderplatesthatarestrengthened

byquenchingandtemperingshallhaveamaximumhardness

of45HRC.

7.4.1Bearingplatesandheaderplatesshallbeprovidedin

10000-lbf(44.5-kN)imumgrade

ratingpermittedshallbe20000lbf(89.0kN).

7.5Hardenedwashersshallhaveahardnessrangefrom35

to45HRC.

7.6Threadedcouplingsmustbecapableofdevelopingthe

actualyieldandtensilevaluesofthebolt,threadedbar,or

threadedslottedbarwithwhichtheyaretobeused.

7.7Extensionsmustbeinaccordancewith7.1and7.2for

thegradeofitemspecified.

7.8Mechanicalpropertiesforboltsandthreadedbarsfor

useingroutedsystemsshallbeasspecifiedinTable3forplain

bars;andTable3orSpecificationA615/A615Mfordeformed

ndthreadedbarsmadefromplainmaterialmust

containsomedesignfeaturetoprovideinterlockingbetween

temscanbesuppliedthreadedor

headed.

7.9Threadedslottedbarswhoseslotshavebeenproduced

byburningshallbeheattreatedbynormalizinginaccordance

malizingheattreatmentandtheremovalof

materialfromtheslot,whetheritbebyburningorsawing,will

thertheburningorsawing

orothermethodsinvolvingmetalremovalareused,the

mechanicalpropertiesofthreadedslottedboltsshallbeas

specifiedinTable5.

7.10Threadedtaperedplugsforexpansionanchorsmustbe

capableofwithstandingtheminimumnonseizureload(MNSL)

andminimumultimateload(MUL),inaccordancewithTable

6.

7.11Tensionnutsmustbecapableofwithstandingthe

ultimatetensilestrengthoftheboltorrebarofthehighestgrade

withwhichtheyaretobeused.

7.12Themechanicalpropertiesofcomponentsofrooftruss

systemsshallbeinaccordancewiththeappropriatepara-

graph(s)ofthissection.

7.12.1Trussbracketsshallbeprovidedin10000-lbf(44.5-

kN)gradeincrements.

7.13Formableanchormaterialsshallconformtotheappli-

cablespecificationsofSection5.

ions,Mass,andPermissibleVariations

8.1Threadedboltsshallconformtothedimensionsshown

inFig.1.

8.1.1Deformedbarboltsarebarsthathavebeenforgedto

produceoneofthestandardheadsdescribedinFig.1.

8.2Threadedandthreadedslottedbarsshallconformtothe

dimensionsshowninFig.2.

8.3ThreadRequirements:

N

OTE

2—Threadsizevariationscanbeexpectedduetobardiameter

pecialrequirementsreflectpractices

forexternalandinternalthreadsthathavebeenfoundtoprovideadequate

strengthandinterchangeability.

8.3.1ExternalthreadsshallbeinaccordancewithASME

B1.1UNC1Aexceptthattheminimumpitchdiameterhas

beenreducedby0.003in.(0.08mm)andtheminimummajor

diameterhasbeenreduced0.010in.(0.25mm)toreflectthe

normalvariationsexpectedonhot-rolledbarsduetothe

combinedeffectofbardiameterandout-of-roundtolerances.

InformationonthisincreasedtoleranceisdescribedinNote3.

ThemodifiedrequirementsarelistedinTable7.

N

OTE

3—Externalthreadsthataretobeusedwiththreadedtapered

plugsinexpansionanchorsarepermittedtohavesomewhatincreased

loadisincreased,thetendency

forthreadfailurethroughnutdiametricalexpansionnormallyincreases;

however,inthecaseofthreadedtaperedplugs,increasedloadis

accompaniedbyanincreasingcompressionoftheinternalthreadsontothe

mpensationfordecreasedmajordiameteris

furtheraugmentedbythelengthofengagementwhichislongerthanfor

beusedwiththreadedbarsandthreadedslottedbars

shallbeselectedtoprovideadequatestrengthunderthesethreadcondi-

tions.

8.3.2Internalthreadsinthreadedtaperedplugsand

threadedcouplingsshallbeinaccordancewithASMEB1.1

oversizeisanincreaseinthepitchdiameterof0.003in.(0.08

mm)toallowforhandlingdamageontheexternalthreadand

imum

minordiametersarestandard1Bfor1

1

⁄

2

to3diameterlengthof

ifiedrequirementsarelistedinTable7.

8.3.3InternalthreadsinnutsshallbetappedstandardUNC

2BsizeinaccordancewithASME.1ormaybetappedoversize

inaccordancewith8.3.2withagreementofproducerand

purchaser.

8.3.4Gagingofthreadsshallbeperformedinaccordance

withSystem21,iameterandthread

crestdiameterlimitsarespecifiedinTable7.

8.3.5Threadedtaperedplugsshallhaveatappedlengthat

leastequaltoonetimesthenominalboltdiameterwithwhich

theyaretobeused.

8.3.6Threadedcouplingsshallhaveatappedlengthatleast

equaltotwotimesthenominalboltdiameterwithwhichthey

aretobeused.

8.4Roundandsquarehardenedwashersshallbeasshown

inFig.3.

8.4.1Therearetwotypesofhardenedflatwashersavail-

1istobefurnishedunlessotherwisespecified.

8.4.1.1Type1iseithercircularorsquareasshowninFig.

signedforusewithplatewasherscontaining1

3

⁄

8

-in.

(35-mm)holes,butmaybeusedforallsmallerholesizes.

TABLE4LoadSupportRequirementsofSteelBolts,ThreadedBars,(seeAnnexA2)ThreadedDeformedBars,

andThreadedSlottedBarsWhoseSlotHasBeenProducedWithoutMetalRemoval

A

N=Newton

kN=kiloNewton

1lb=4.448Nor0.004448kN

Nominal

Diameter

(in.)/Thread

/in.

5

8

Thread

StressArea,

in.

2

(mm

2

)

Yieldlbs

(kN)

C

0.226

(1.46)

0.334

(2.65)

0.462

(2.96)

0.606

(3.91)

0.763

(4.92)

0.969

(6.25)

1.155

(7.45)

1.405

(9.06)

D

Grade

40

B

Ultimatelbs

(kN)

C

D

55

Yieldlbs

(kN)

C

12400

(55.16)

18400

(81.8)

25400

(113.0)

33300

(148.1)

42000

(186.8)

53300

(237.1)

63500

(282.4)

77300

(343.8)

Ultimatelbs

(kN)

C

19200

(85.4)

28400

(126.3)

39300

(174.8)

51500

(229.0)

64900

(286.7)

82400

(366.5)

96200

(436.8)

119400

(531.1)

Yieldlbs

(kN)

C

13600

(60.50)

20000

(89.0)

27700

(123.2)

36400

(161.9)

45800

(203.7)

58100

(258.4)

69300

(308.2)

84300

(375.0)

60

B

Ultimatelbs

(kN)

C

20300

(90.30)

30100

(133.9)

41600

(185.0)

54500

(242.4)

68700

(305.6)

87200

(387.9)

104000

(462.6)

126500

(562.7)

Yieldlbs

(kN)

C

17000

(75.6)

25100

(111.6)

34700

(154.3)

45500

(202.4)

57200

(254.4)

72700

(323.4)

86600

(385.2)

105400

(468.8)

75

Ultimatelbs

(kN)

C

22600

(100.5)

33400

(148.6)

46200

(205.5)

60600

(269.5)

76300

(339.4)

96900

(431.0)

115500

(513.7)

140500

(624.9)

Yieldlbs

(kN)

C

22600

(100.5)

33400

(146.6)

46200

(205.5)

60600

(269.5)

76300

(339.4)

96900

(431.0)

115500

(513.7)

140500

(624.9)

100

Ultimatelbs

(kN)

C

26300

(130.8)

41800

(193.5)

57800

(267.3)

75800

(350.5)

95400

(441.2)

121100

(560.4)

144400

(668.1)

175600

(814.6)

⁄–11

⁄–10

⁄–9

3

4

7

8

1–8

1

1

⁄

6

–7

1

1

⁄

4

–7

1

3

⁄

8

–6

1

1

⁄

2

–6

A

B

13400

(59.60)

18500

(82.3)

24200

(107.6)

30500

(135.7)

38800

(172.6)

46200

(205.5)

56200

(250.0)

23400

(104.08)

32300

(143.7)

42400

(188.6)

53400

(237.5)

67800

(301.6)

80900

(359.8)

98400

(437.7)

Testsofboltsandthreadedbarsshallbeperformedusingfull-diameterproducts.

InformationforGr40and60onlyappliestodeformedbars.

C

Requiredyieldandtensileloadsshownarecalculatedbymultiplyingthreadstr

stressareaiscalculatedfromthemeanrootandpitchdiametersofadrenalthreadsasfollows:

0.9743

2

A

s

50.7854

D

2

n

S

D

where:

A

s

=stressarea,in.

2

D

=nominaldiameter,in.,and

n

=numberofthreadsperinch.

D

5

⁄

8

40productsarenotcovered.

TABLE5LoadSupportRequirementsforThreadedSlottedBars

WhoseSlotHasBeenProducedbyMethodsInvolvingMetal

Removal

A

NominalDiameter,

in.

ThreadStress

Area,min,in.

2

(mm

2

)

0.606

0.969

1.155

1.405

(3.91)

(6.25)

(7.45)

(9.06)

Grade55

YieldLoad,min,lbfUltimateTensile

(kN)

B

Load,min,lbf(kN)

B

30000

48000

57200

69600

(133.3)

(213.4)

(254.2)

(309.4)

46400

74200

88400

107500

(206.2)

(329.9)

(393.1)

(478.0)

TABLE6PlugGradeRatingSystem

NominalGrade1

Diameter,

MNSL

A

MUL

B

in.

⁄

⁄

3

⁄

4

7

⁄

8

1

1

1

⁄

8

1

1

⁄

4

1

3

⁄

8

1

1

⁄

2

1

2

5

8

Grade2

MNSL

A

10.7

17.0

25.1†

34.7

40.0

40.0

40.0

40.0

40.0

MUL

B

17.0

27.1

40.1

55.4

72.7

91.6

116.3

138.6

168.6

Grade3

MNSL

A

13.5

21.5

31.7

40.0

40.0

40.0

40.0

40.0

40.0

MUL

B

19.9

31.6

46.8†

64.7

84.8

106.8

135.7

161.7

196.7

Grade4

MNSL

A

16.3

26.0

38.4

40.0

40.0

40.0

40.0

40.0

40.0

MUL

B

22.7

36.1

53.4†

73.9

96.9

122.0

155.0†

184.8

224.8

1

1

1

⁄

4

1

3

⁄

8

1

1

⁄

2

A

Testsofbolts,threadedbars,andthreadedslottedbarsshallbeperformed

usingfull-diameterproducts.

B

Requiredyieldandtensileloadsshownarecalculatedbymultiplyingthread

stressareastimestheyieldpointandtensilestrengthvaluesshowninTable2.

Threadstressareaiscalculatedfromthemeanofthemeanrootandpitch

diametersofClass3externalthreadsasfollows:

0.9743

2

A

s

50.7854

D

2

n

7.0

12.4

18.4

25.4†

33.3

40.0

40.0

40.0

40.0

14.2

22.6

33.4

46.2

60.6

76.3

96.9

115.5†

140.5†

MNSL—MinimumNon-SeizureLoad(1000lb).

MUL—MinimumUltimateLoad(1000lb).

†Editoriallycorrected.

B

A

S

D

where:

A

s

=stressarea,in.

2

D

=nominaldiameter,in.,and

n

=numberofthreadsperinch.

8.4.1.2Type2isthehardenedflatwasherinaccordance

withSpecifieusedonlywhensufficient

clearanceisavailablebetweenthethreaded-barorthreaded-

rolled-barbodydiameterneartheheadandthewasherhole.

Thiswasherisnotsuitableforusewithplatewashersthat

containholesthataremorethan

3

⁄

8

in.(9.5mm)greaterin

diameterthanthenominalboltdiameter.

8.5Bearingandheaderplatesmaybeofanythicknessthat

successfullymeetsthetestrequirementsinaccordancewith

imumholesizeforusewithboltsupto

3

⁄

4

-in.

nominaldiametershallbe1

3

⁄

8

in.(35mm)exceptthatholesize

maybe1

1

⁄

2

in.(38mm)whensphericalwashersorseatsare

nceonholediametershallbe−0,

1

⁄

8

in.(−0,+3.2

mm).Bearingplatesfordirectbearingapplicationsshallbe6

by6in.(152by152mm)withtolerancesforlengthandwidth

of6

1

⁄

8

bearingplatesmaybefurnished,dimensions

NominalBoltSize,

5

⁄

8

to1in.(Note1)

HHeadHeight,min.,in.(mm)0.476(12.09)

FHeadAcrossFlats,in.(mm)1.088to1.125(27.64to28.58)

GHeadAcrossCorners,in.(mm)1.425to1.591(36.19to40.41)

EBodydiameteriscontrolledbythe

rollthreadingoperation.

Note1—Whenspecifiedbythecustomerontheorderorcontract,the

5

⁄

8

-in.

diameterboltmaybesuppliedat:

H—0.400(10.16)

F—0.906to0.938(23.01to23.83)

G—1.244to1.326(31.60to33.68)

Note2—Whenspecifiedbythecustomerontheorderorcontract,ashoulder,

collar,orswellequaltothebodydiameterofa

3

⁄

4

-erboltmaybeapplied

undertheheadofa

5

⁄

8

-erboltforalengthofapproximately

3

⁄

16

in.

Note3—Pinchedearsmaybeprovidedtosupporttheexpansionshellduring

installation.

Note4—Boltheadmayhavedepressedcenter.

Note5—SeeTable7forheadmarkings.

Note6—SeeParagraph8.3.1forthreads.

Note7—Forgingflashispermitted.

FIG.1RoofandRockBolts

N

OTE

1—Pinchedearsmaybeprovidedtosupporttheexpansionshell

duringinstallation.

N

OTE

2—See8.3.1forthreads.

N

OTE

3—EBodydiameterisestablishedbythemethodofthreading.

N

OTE

4—Bodydiameteriscontrolledbytherollthreadingoperation.

FIG.2ThreadedBarsandSlottedThreadedBars

andtolerancestobebyagreementbetweentheproducerand

rbearingplatesmaybeusedinconjunc-

tionwithsteelchannels,withotheraccessories,orinhardrock

areasbyagreementbetweentheproducerandthepurchaser.

Headerplatesaretypically6in.(152mm)wideby16to18in.

(406.4to457.2mm)long,oranyothershapewithan

equivalentarea.

8.6Bearingandheaderplatesusedwithfrictionalanchor-

e

TABLE7SpecialThreadRequirements

ExternalThreads

NominalDiameter,iameter,

A

in.(mm)MajorDiameter,

B

in.(mm)

5

⁄

8

–110.5531to0.56440.5952to0.6234

(14.049to14.336)(15.118to15.834)

3

⁄

4

–100.6714to0.68320.7188to0.7482

(17.054to17.353)(18.258to19.004)

7

⁄

8

–90.7884to0.80090.8423to0.8731

(20.025to20.343)(21.394to22.177)

1–80.9037to0.91680.9655to0.9980

(22.954to23.287)(24.524to25.349)

1

1

⁄

8

–71.0161to1.03001.0882to1.1228

(25.809to26.162)(27.640to28.519)

1

1

⁄

4

–71.1409to1.15501.2132to1.2478

(28.979to29.337)(30.815to31.694)

1

3

⁄

8

–61.2493to1.26431.3353to1.3726

(31.732to32.113)(33.917to34.864)

1

1

⁄

2

–61.3742to1.38931.4603to1.4976

(34.905to35.288)(37.092to38.039)

InternalThreads

MaximumMinorDiameter,

NominalDiameter,iameter,

C

in.(mm)in.(mm)

5

⁄

8

–110.5690to0.57970.551(13.995)

(14.453to14.724)

3

⁄

4

–100.6880to0.69950.668(16.967)

(17.475to17.767)

7

⁄

8

–90.8058to0.81810.783(19.888)

(20.467to20.780)

1–80.9218to0.93500.896(22.758)

(23.414to23.749)

1

1

⁄

8

–71.0352to1.04931.006

(26.294to26.652)(25.552)

1

1

⁄

4

–71.1602to1.17461.131

(29.469to29.835)(28.733)

1

3

⁄

8

–61.2697to1.28521.236

(32.250to32.644)(31.394)

1

1

⁄

2

–61.3947to1.41051.361

(35.425to35.827)(34.580)

A

StandardUNC1Avaluesexceptminimumreducedby0.003in.(0.08mm).

B

StandardUNC1Avaluesexceptminimumreducedby0.010in.(0.25mm).

C

StandardUNC1Bvaluesincreasedby0.003in.(0.08mm).

sizesandtolerancesshallbesetbythemanufacturerofthe

frictionalanchoragedevice.

8.7Dimensionsnototherwisespecifiedfortaperedwedges,

expansionshells,threadedtaperedplugs,beveledwashers,

sphericalwashers,threadedcouplings,andextensionsshallbe

byagreementbetweentheproducerandthepurchaser.

8.8Nutsshallbehex,heavyhex,square,orheavysquarein

otherwisespecified,

theheavyseriesshallbesupplied.

8.9SurfaceConfigurationonFormableAnchorBarsor

Bolts:

8.9.1Surfaceconfigurationsonsteelbarsorboltstobeused

withpolyethylenes,asspecifiedin5.14.1.1,formableanchor-

agedevices.

8.9.1.1Threepitchmodifiedreversebuttressformasde-

scribedinFig.4.

8.10DimensionsofFormableAnchorTubes:

8.10.1Dimensionsofformableanchortubesmadefrom

materialsconformingto5.14.1.

8.10.1.1Thewallthicknessoftheformableanchortube

shallbeasspecifiedbythemanufacturer60.015in.

8.10.1.2Theweightperinchofformableanchortubesshall

beasspecifiedbythemanufacturer68%.

BoltSizeNominalOutsideInsideDiameterThicknessin.(mm)

Dimension(O.D.)(I.D.)in.(mm)(T)

in.(mm)

5

⁄

8

2(50.8)

11

⁄

16

to

27

⁄

32

0.122to0.177

(17.4to21.4)

(3.10to4.50)

3

⁄

4

2(50.8)

to

31

⁄

32

0.122to0.177

(20.6to24.6)

(3.10to4.50)

7

⁄

8

2(50.8)

15

⁄

16

to1

5

⁄

32

0.132to0.177

(23.8to29.4)

(3.35to4.50)

1

2(50.8)

1

1

⁄

8

to1

9

⁄

32

0.132to0.177

(28.6to32.5)

(3.35to4.50)

1

1

⁄

8

2

1

⁄

2

(63.5)

1

1

⁄

4

to1

13

⁄

32

0.132to0.177

(31.8to35.7)

(3.35to4.50)

1

1

⁄

4

2

1

⁄

2

(63.5)

1

3

⁄

8

to1

17

⁄

32

0.132to0.177

(34.9to38.9)

(3.35to4.50)

1

1

⁄

2

3(76.2)

1

5

⁄

8

to1

25

⁄

32

0.132to0.177

(41.3to45.2)

(3.35to4.50)

FIG.3RoundandSquareHardenedWasherType1

8.10.1.3Thelengthofformableanchortubesshallbeas

specifiedbythemanufacturer60.250in.

N

OTE

4—Barrierplugsmaybeusedwiththeformableanchortubesto

separategroutedorchemicallyanchoredsegmentsofthebarsorbolts

cases,thebarrierplugshallbe

consideredasaportionofthetubelength.

ofTestsandRetests

9.1Bars—Twotensiontestsshallbemadefromeachheat

foreachnominaldiameterofbarsunlessthefinishedmaterial

fromaheatislessthan30tons(27.2Mg),whenonetension

ficationbythebarsupplierthatthe

requirementsofTable3havebeenmetisanacceptable

substituteforthesebartensiontests.

9.2Bolts,ThreadedBars,ThreadedSlottedBars,Bearing

andHeaderPlates,andAllTypesofWashers—Therequire-

mentsofthisspecificationshallbemetincontinuousmass

ufacturershallmakesampleinspections

andteststoensurethattheproductrepresentedbythetest

samplesconformstothespecifiufac-

turershallselectandtestaminimumoftwobolts,threaded

FIG.4Three-PitchModifiedReverseButtressBolt

bars,threadedslottedbars,bearingandheaderplates,and

washersfromeachdiscontinuousturnoreach24hofcontinu-

ousproduction.

9.3Impropermachiningorpreparationoftestspecimens

erlymachinedspecimens

shallbediscardedandotherspecimenssubstituted.

9.4Ifanytestspecimenfailstomeetthespecification

requirementsbecauseoffailureoftestingequipmentorim-

properspecimenpreparation,itmaybediscardedandanother

specimentaken.

thods

10.1Testbarsusedforthemanufactureofboltsand

threadedandthreadedslottedbarsforyieldpoint,tensile

strength,andelongationinaccordancewiththeDetermination

ofTensilePropertiesSectionofTestMethodsandDefinitions

A370.

10.2Tensiontestboltsandthreadedbarsinaccordancewith

theWedgeTensionTestingofFullSizeProductparagraphof

theyieldpoint

inthecourseofthistestbytheDropoftheBeamorHaltofthe

PointerMethodasdescribedintheparagraphsonTension

TestingofMachinedTestSpecimensofTestMethodsF606.

10.2.1Ifthelengthoftheboltorthreadedbarexceedsthe

lengththatcanbeaccommodatedbythetestingmachine,then

cuttheheadwithaportionofthebodyinthecaseofbolts,and

thethreadwithaportionofthebody,fromtheboltorthreaded

barandtesteachseparately.

10.2.1.1Testthesectioncontainingthethreadsforyield

pointandbreakingloadbyusingthenutintendedforuseonthe

emaynot

occurbystrippingofthreads.

10.2.1.2Testthesectioncontainingtheboltheadwitha10°

oth

bars,itispermissibletoincreasetheholeclearanceinthe

wedgeplatetotwotimestheclearancespecifiedinTest

MethodsF606toaccommodatecollarsorswellunderthebolt

ormedbars,itispermissibletoincreasethehole

clearanceofthewedgeplatetofourtimestheclearance

specifiedinTestMethodsF606.

10.2.1.3Testboltscontainingsurfaceconfigurationsby

grippingasectionofthesurfaceconfigurationandthebodyof

thebolt.

10.3ThreadedSlottedBars:

10.3.1Threadedslottedbarsfromwhichmaterialhasnot

beenremovedduringtheslottingoperation(forgedsplit-end

bars)neednotbetestedontheslottedend.

10.3.2Testthreadedslottedbarsfromwhichmaterialhas

lengthofthebarexceedsthelengththatcanbeaccommodated

bythetestingmachine,thentheexcesslengthmaybecutoff

anddiscarded.

10.3.2.1Performthetestoftheslottedendbyfirsttack

weldingthetwosidestogetherattheextremeendofthebar.

Gripbothendsofthistestbarandcontainatleast1in.(25mm)

ofslotinthetestedportionbetweenthegrips.

10.4TestsofBearingandHeaderPlates:

10.4.1Locatethebearingplatesamplecentrallyonasteel

testplatecontainingahole4in.(102mm)

aloadonthebearingplatebyeither(1)assemblingbolt,

threadedrodandnut,orfixturethroughthebearingplate,

placingtheplateassemblyonthecrossheadofatesting

machineandgrippingthebolt,rod,orfixtureandpullingdown

withtheupperplaten,or(2)pushingdownwithapunchhaving

adiameterofapproximately1.75in.(45mm)orequaltothe

fixture’soutsidediameter,whicheverisgreater,mounted

underneaththeupperplatenontotheplateassemblyplacedon

tobeincluded

intheactualinstallation,includeinthetestassemblya

hardenedwasherofthetypedefinedinthisspecifi

aninitialpreloadof6000lbf(26.7kN)andthenplacea

measuringdeviceaccurateto0.001in.(0.03mm)soastobe

capableofmeasuringtheaxialmovementoftheboltheador

measuringdevicetozeroafterapplicationofthe

setheloadto15000lbf(66.7kN)and

readtheaxialmovement,definedasdeflection,fromthe

imumpermissibledeflectionbe-

tweenthe6000and15000-lbfloadsis0.120in.(3.05mm).

Continuetheapplicationofloaduntilthegraderatingofthe

plateisreachedandagainreadtheaxialmovementfromthe

imumpermissibledeflectionbe-

tween6000lbfandthegraderatingis0.250in.(6.35mm).

10.4.2Testlargebearingplates(maximumdimension

greaterthan7in.(178mm)andheaderplatesforspan

performanceinaccordancewith10.4.2.1.

10.4.2.1Locatetheplatesamplecentrallyonasteeltest

platecontainingaclearspanof6in.(152mm).Thesteeltest

aloadontheplatebyeither(1)assemblingbolt,threadedrod

andnut,orfixturethroughtheplate,placingtheplateassembly

onthecrossheadofatestingmachineandgrippingthebolt,

rod,orfixtureandpullingdownwiththeupperplaten,or(2)

FIG.5BearingPlateTestPlate

pushingdownwithapunchhavingadiameterofapproxi-

mately1.75in.(45mm)orequaltothefixture’soutside

diameter,whicheverisgreater,mountedunderneaththeupper

tobeincludedintheactual

installation,includeinthetestassemblyahardenedwasherof

thetypedefinedinthisspecifininitialpreloadof

1000lbf(4.5kN)andthenplaceameasuringdeviceaccurate

to0.001in.(0.03mm)soastobecapableofmeasuringthe

measuring

devicetozeroafterapplicationofthe1000-lbfpreload.

Increasetheloadto5000lbf(22.2kN)andreadtheaxial

movement,definedasdeflection,fromthemeasuringdevice.

Themaximumpermissibledeflectionbetweenthe1000and

5000-lbfloadsis0.250in.(6.35mm).

N

OTE

5—Theinclusionofcomponentssuchassphericalnuts,spherical

washers,woodenheaderboards,metalchannels,etc.,intherockbolt

assemblycansignifihese

itemsarenottobeincludedinthestandardgraderatingandspantests

describedin10.4.1and10.4.2.1,theirinfluenceshouldbereviewedonan

individualbasiswherebearingplatestrengthhasbecomeanissue.

10.5Performhardnesstestsofwashersandbearingand

headerplatesinaccordancewithTestMethodsF606.

10.6Testsofwedgesforusewithslottedboltsarenot

ordinarilycontemplated.

10.7Expansionshellsandthreadedtaperedplugsshallbe

testedbythemanufacturerinaccordancewiththespecification

towhichtheyaresupplied.

10.8Thistestistodeterminethegraderatingspecifiedin

Table6forthreadedtaperedplugsusedinexpansionanchors.

Thistestisnotconsideredtobearoutinetesttobeperformed

duringmanufacture,butmustbeappliedincaseswherethe

strengthandperformanceofthethreadedtaperedplughave

stcanbeexecutedinavarietyofways,

allofwhichmustincludeinstallationofthebolt,expansion

shell,andthreadedtaperedpluginastraightsectionsmooth

holeofadiameterrecommendedbythemanufacturer60.030

tcylinderorblockshallbefabricatedtodimensions

thatwillallowtheexpansionanchortobecompletelyinserted

intotheholeandpreventlateraldistortionoftheholeduring

tshallbeperformedbytighteningtheassembly

intheholeandthenloadingtotheminimumnonseizure

(MNSL)loadforthegradeofplugspecifi

loadingaftertheinitialsettingshallbeeitherbyaxialloading

emblyshallthenbe

removedfromthetestcylinderorblockandexamined.

Followinganinitialfullturn(withawrench,ifnecessary),the

plugmustberemovablebyatorqueloadnottoexceed10ft/lb.

Thethreadedtaperedplugshallnothaverupturednorthe

edtaperedplugsforexpansionshells

mustalsobecapableofwithstandingtheminimumultimate

load(MUL)forthegradeofplugspecifist

shallbeconductedbyrepeatingthepreviousprocedureand

emblythenshallbe

ppingoftheplugthreadsshall

UL,distortionoftheplugorbolt

threads,orboth,mayprecludetheremovaloftheplug.

N

OTE

6—Whenthreadedtaperedplugsforexpansionshellsareusedin

conjunctionwithchemicalgroutingmaterials,theprovisionsof7.10also

areapplicable.

N

OTE

1—A36orsimilarsteel.

N

OTE

2—Slottobecentrallylocated.

N

OTE

3—DimensionsAandBshalleachbeaminimumof2in.(50.8mm)longerthanthecomparabledimensionsofthebearingorheaderplatesto

betested.

FIG.6SpanTestPlate

10.9SeeAnnexA1forinformationconcerningperformance

testsofexpansionshell,taperedplugs,taperedwedges,and

otheranchoragemethodsandmaterials.

10.10Nutsshallbemanufacturedandtestedinaccordance

withthespecificationtowhichtheyaresupplied,exceptthat

whensospecifiedontheorderorcontractnutsoftappedsizes

5

⁄

8

and

3

⁄

4

hesame1

1

⁄

8

-in.(28.58-mm)dimension

acrossflatsastheheadoftheboltshowninFig.1.

10.11Tensionnutsmustbecapableofwithstandingthe

ultimatetensileloadcapacityoftheboltorrebarofthehighest

stisnot

consideredtobearoutinetesttobeperformedduring

manufacturing,butmustbeappliedincaseswherethestrength

andperformanceofthethreadedtensionnutshavebecomean

stmaybecarriedoutbyengagingthethreaded

tensionnutwiththeboltorrebar,supportingthetensionnut

andthenloadingtotheultimatetensilestrength(todestruction)

emblyshall

eadedtensionnutsshall

mate

tensileloads,distortionoftheboltthreadsaswellaselongation

oftheboltintheengagedthreadzonemayprecludethe

removalofthetensionnut.

N

OTE

7—Residualtorquesarepermissibleduetothevariousstop

topmechanismsmustnot

distortthethreadedengagementareabetweenthebolt/rebarandtension

altorqueshallbedeterminedbythemanufacturer.

10.12TestsofNotchedBendableBolts:

10.12.1Notchedbendableboltsshallbecapableofbeing

bentthroughonebendingcycleasfollows:thebendshallbein

theareaofthereducedcrosssection,toanangleof90°,with

atthereducedsection

t

shallthenbebentinthesamemannerbacktoitsoriginal

onclusionofthebendtest,anyobviousvisible

evidenceofcrackingshallconstitutereasonforrejection.

N

OTE

8—Itisrecommendedthatduringtheinitialtoolupprocess,

prototypesamplesbesubjectedtomultiplebendingcyclestoensure

adequatenotchdesign.

10.12.2Boltssuccessfullypassingthebendtestshallbe

tensiontestedwiththebendablesectioninthezoneofthe

routednontensionedbendableboltsshall

havereachedaloadof23000lbf(102kN)beforebreaking.

Tensionedbendableboltsshallexceedtheminimumyield

loadsinaccordancewithSpecificationA615/A615Morthis

specification,orboth,forthegradeanddiameterofboltused,

houldbenoevidenceinthefractureofa

priorfractureasaresultofthebendingtest.

10.13TestsofRoofTrussComponents:

10.13.1Allcomponentsofrooftrusssystemsshallbetested

inaccordancewiththeappropriateparagraphofSection10of

thisspecification.

10.13.2Trussbracketsshallbetestedtofailureonasteel

fi

loadsshallbeappliedtothetrussbracketthrough(1)theangle

boltwhilethehorizontalmemberisheldstationary,and

through(2)thehorizontalmemberwhiletheangleboltisheld

cketratingshallcorrespondtothelowest

failureloaddeterminedbythetestsdescribedhere.

10.13.2.1Trussbracketsusedasprimarysupportshallbe

oleatan

appropriateangletoensurethatthebracketmeetstheminimum

strengthrequirementsof10.4.

yAssuranceandInspection

11.1Iftheinspectiondescribedin11.2isrequiredbythe

purchaser,itshallbespecifiedintheinquiryandinthecontract

ororder.

11.2Manufacturersofroofandrockboltsandaccessories

shallberesponsibleforestablishingandmaintainingaquality

assuranceprogramtoensurethatallmaterialsconformtothe

appropriaterequirementsofthisspecifiufac-

turershallaffordthepurchaser’sinspectorallreasonable

facilitiesnecessarytosatisfyhimthatthematerialisbeing

producedandfurnishedinaccordancewiththisspecification.

Millinspectionbythepurchasershallnotinterfereunneces-

sarilywiththemanufacturer’tsandinspec-

tionshallbemadeattheplaceofmanufacture,unlessagreed

otherwise.

ionandRehearing

12.1Materialthatfailstoconformtotherequirementsof

thisspecifiionshallbereported

of

dissatisfactionwiththeresultsofthetest,theproduceror

suppliermaymakeclaimforarehearing.

fication

13.1Uponrequestofthepurchaserinthecontractororder,

amanufacturer’scertificationshallbefurnishedthatthe

materialwasmanufacturedandtestedinaccordancewiththis

specification.

sibility

14.1Thepartyresponsibleforthefastenershallbethe

organizationthatsuppliesthefastenertothepurchaser.

tMarking

15.1BoltheadsshallbemarkedasshowninTable8with

eitherraisedordepressedmarksattheoptionofthemanufac-

hallincludegradeanddiameteridentification

whenapplicable,manufacturer’ssymbol,andtheboltlengthin

eitherinchesorfeet(ormillimetres)asspecifiedintheorderor

contract.

15.2Frictionalanchoragedevicesshallbemarkedwith

eitherraisedordepressedmarksattheoptionofthemanufac-

ationofthemarksshallbesuchastobereadable

hallincludemodelidentification

whenapplicable,manufacturer’ssymbol,andthelengthin

eitherinchesorfeet(ormillimetres)asspecifiedintheorderor

contract.

15.3Threadedbarsandthreadedslottedbarsshallbecolor

or

shallbeappliedsuchthatitwillbevisibleforinspectionafter

installationoftheroofsupportdevice.

15.4Beveledwashers,threadedtaperedplugs,wedges,

sphericalwashers,andthreadedcouplingsarenotrequiredto

bemarked.

15.4.1Threadedtaperedplugsproducedinonlyonegrade,

asspecifiedinTable6,requirenospecialidentificationifthe

plugsareuniquelyidentifiedbythreaddiameterandplug

avingthesamethreadsizeandmanufactured

tomorethanonegraderatingshallbeidentifiedbycolor

codingorphysicalmarkingasspecifiedbythemanufacturer.

15.5Deformedbearingandheaderplatesshallbemarked

ontheexposedfacewiththemanufacturer’ssymbol.

15.6BearingandHeaderPlates:

15.6.1Bearingandheaderplatesmanufacturedtothemini-

mumgraderatinginaccordancewith7.4.1donotrequire

markingstoindicategraderating.

15.6.2Bearingandheaderplatesmanufacturedtoagrade

ratinghigherthan20000lbf(89.0kN)shallbemarkedwitha

singlenumberthatindicatestheratingdividedby10000lbf

(44.5kN).Forexample,thenumber3woulddesignatea

30000-lbf(133.5-kN)graderating.

15.7Nutsshallbemarkedinaccordancewiththespecifi-

cationtowhichtheyweremanufactured.

15.8Expansionshellsshallbemarkedwiththemanufactur-

er’ssymbolandtheholesizeforwhichtheyareintended.

TABLE8Markings

A,B

TABLE9ColorCodesforThreadedBarandThreadedSlotted

Bars

Length,in.(ft.,mm)

30

36

42

48

60

72

84

96

Color

Purple

Yellow

Green

NoColor

Red

Blue

Orange

White

15.9Eachhardenedwashershallbemarkedwithasymbol

washersmaycontain

gsshallbedepressedononefaceof

thewasher.

15.9.1Otheridentifyingordistinguishingmarks,orboth,

maybeusedbythemanufacturer.

15.10Extensionsarenotrequiredtobemarked.

15.11TrussbracketsshallbemarkedasshowninTable8.

Markingsshallincludethemanufacturer’ssymbolandthe

graderatingasdeterminedbythetestinaccordancewith

deidentificationshallconsistofasingle

numberthatindicatesthegraderatingdividedby10000lbf

(44.5kN).Forexample,thenumber3woulddesignatea

30000-lbf(133.5-kN)graderating.

15.12Formableanchortubecontainerwillbemarkedwith

nominalformableanchortubelength,barorboltdiameter,wall

thickness,weightperinch,andholediameterwithwhichtube

istobeused.

15.12.1Colorcodingofformableanchortubesformines

usingmorethanonebarorboltdiametershallbeestablished

bythemanufacturer.

ds

16.1bolts,roofandrockandaccessories;rockbolts;roof

bolts

ANNEXES

(MandatoryInformation)

-SITETESTINGTODETERMINEEFFECTIVENESSOFROOFSUPPORTDEVICES

A1.1Thesuitabilityofroofandrockboltsandaccessories

forspecificapplicationsinundergroundminesdependsupon

theparticulargroundandrockconditionsatthesiteofintended

sreason,itmaybenecessarytoperformappropriate

testsattheactualsiteofintendedusetoevaluatetheeffective-

nessoftheroofsupportdevices.

A1.2Byagreement,thesupplierandthepurchaserwill

determinetheappropriateteststoevaluatethemeritsofany

specificroofsupportdeviceonsite.

DEFORMEDBARS

A2.1Threaddeformedbarsaresteelbarsthathavea

continuoushot-rolledpatternofthreadlikedeformationsalong

theirentirelengththatallownutsandcouplerstothreadonto

thebaratanypoint.

A2.2Threaddeformedbarsshallbemanufacturedin

compliancewiththechemicalandmechanicalpropertyre-

quirementsofSpecificationA615/A615M,Grade60.

A2.3Threaddeformedbarsshallbeidentifiableinregardto

theirmanufacturer.

N

OTE

A2.1—Duetothemanufacturingprocess,markingstodesignate

size,minimumyield,andtypeofsteelarenotrequired.

haveinternalthreadsofsufficientstrengthtodevelopthe

ultimatetensilestrengthofthebarwithwhichtheyareused.

ThesenutsshallbemarkedwiththeletterT.

A2.7Yieldablenutsforusewiththreaddeformedbarsshall

bedesignedtoyieldinincrementaldisplacementsalongthe

barsatpredeterminedboltloadstoallowforrockdeformations

undercontrolledsupportconditions.

A2.7.1Standardyieldableanchornutsshalldevelopatleast

125%ofthespecifiedminimumyieldstrengthofthebarswith

ngthidentificationmarkingis

required.

A2.7.2Yieldableslipnutsdesignedtoslipatloadslessthan

125%ofthespecifi

percentageshallbemarkedonthenut.

A2.8Couplingsusedwiththreaddeformedbarsshall

conformto7.6.

A2.9Testmethodsandmarkingsforthreaddeformedbars

shallbeconsistentwiththeintendeduseofthebarsin

accordancewiththeappropriatesectionsofthisspecification.

A2.4Theeffectivestressareaofthreaddeformedbarsshall

beequaltothenominalareaofthebar.

A2.5Thedimensionsofthethreadlikedeformationsalong

thebarshallbeadequatetodevelop,whenengagedwitha

tensionnutorcouplerofthedesignatedsize,theultimate

strengthofthethreaddeformedbar.

A2.6Tensionnutsforusewiththreaddeformedbarsshall

ALGROUTINGMATERIALS

A3.1StrengthIndexforChemicalGroutingMaterials

A3.1.1Thisisalaboratorytestformeasuringthestrength

engthindexisa

numericaldesignationrangingfrom1to10thatrepresentsthe

loadintonsthatcanbesupportedbyachemicalanchorwith

ovementwhentestedasoutlinedin

tintendedtoreflectactualin-mine

performanceorreplaceappropriateminetestsinaccordance

withA1.1.

No.1isaNo.6thread-deformed,reinforcingbarasdescribed

diameter(I.D.)by

1

1

⁄

2

-ediameter(O.D.)steeltubewith27by3internal

.3isafullygrouted,void-free,cured

chemicalanchor.

N

OTE

A3.1—Itisrequiredthatthetestsectionbecutfromalarge

outcartridge

gthofthread-deformedbarusedmustbe

sufficienttoallowattachmentoftheloadingapparatus(seeFig.A3.1)to

ouldbetakentoensurethatthetestsectionis

completelygroutedandvoidfreethroughout.

A3.1.3PreparationofTestSection

izeallcomponentsatasingle

temperaturebetween50and80°cimenshallbe

preparedbyplacingthegroutcartridgeintothethreadedtube,

insertingthebarandrotatingthebarclockwiseinaccordance

withthechemicalgroutmanufacturer’sinstallationinstruc-

cimenshallbecuredfor24hbeforecuttingthe

testsection.

A3.1.4TestApparatus

Hydraulicramwithhollowcenterlargeenoughtoaccept

bar,manualhydraulicpumpwithaconnectinghoseandgage,

andadialindicatorthatmeasuresmovementtoonethousandth

ofaninch.

A3.1.5TestProcedure

AsshowninFig.A3.1,assemblethetestsectionintothe

fithedialindicatortothesteel

tubetoindicatemovementofthecutendofthebarwithrespect

tothetube.

A3.1.6Manuallyapplyloadtothetestsectionwiththe

hydraulicraminincrementsof1to10-tonsmaximumload.

FIG.A3.1ChemicalGroutingStrengthIndexTextApparatus

Eachincrementofloadshallbestabilizedforaperiodof1min

mentexceeds0.100

in.,terminatethetest.

N

OTE

A3.2—Donotexceed10tonsduetoboltstretchandsafety

considerations.

A3.1.7NumberofTests

Aminimumoffipercentmust

achievethestrengthindex.

A3.2SpeedIndex

A3.2.1Thisisalaboratorytesttodeterminethespeedindex

edindexindicatesthe

timeinsecondsfromcompletionofmixinguntilananchorage

levelof4000lbisachievedwhentestedinaccordancewiththis

ormulationsshallbeidentifiedinaccordance

withthespeedindexclassificationsystemofTableA3.1.

N

OTE

A3.3—Mineandinstallationconditionssuchastemperatures,

annulussize,boltlength,androtationalspeedswilleffectresults.

se

izeallcomponentsat55

to60°steeltubeontothebaseplatestudandposition

hehollow

the

No.6hexnutandtheheadedblindnutontothethread

deformedreinforcingbarsothatthetwonutsarelocked.

N

OTE

A3.4—Thethreaddeformedreinforcingbarmustbelongenough

toensurea12-in.(+

1

⁄

2

,−0)groutedlength.

A3.2.1.2Placeasampleofgroutofsufficientvolumeto

encapsulatea12-in.(+½,−0)longsectionofNo.6thread

thebar

(withnutsattached)throughthegroutin5sorless(rotating

throughthegroutisoptional).Immediatelyspinthebar

clockwiseataspeedbetween400and500r/mintomixthe

timingforspeedindexdeterminationattheconclusionof

mixingandallowthegrouttocurefortheperiodoftimein

secondslistedinTableA3.1correspondingtothespeedindex

ecuretimehaselapsed,

evelof4000lb

mustbeachievedwithin3softhestartofload-

ing.

A3.3CartridgeEquivalentLengthRequirements

A3.3.1Cartridgesofchemicalgroutingmaterialsshallcon-

tainsufficientvolumetofilltheannulusbetweentheboltand

TABLEA3.1SpeedIndexClassification

SpeedIndexMaximum

A

CureTime,s

1515

3030

6060

240240

600600

1000>600

A

Toachieve4000-lbtestload(seeA3.2.1.1).

FIG.A3.2SpeedIndexTestApparatus

boreholewallasspecifiumewillbe

identifiedbyanequivalentlengthdesignation(ft)indicating

thelengthofboreholegroutedbythecartridgeforthenominal

bolt/boreholecombinationused.

A3.3.2Minimumcartridgevolumesrequiredforspecified

equivalentlengthdesignationsshallbecalculatedbyusingthe

followingequationwheretheequivalentlength(EL)isequalto

theboltlength:

Vg5Vh2Vb

where

Vg=requiredgroutvolume,in.

3

,

Vh=boreholevolume,in.

3

,and

Vb=boltvolume,in.

3

.

Theboreholevolumeshallbecalculatedbyusingthe

following:

BoreholeDiameter=NominalDiameter+0.043in.

BoreholeLength=BoltLength+1in.

Theboltvolumeshallbebasedonnominalreinforcingbar

crosssectionsinaccordancewithSpecificationA615/A615M.

N

OTE

A3.5—Whenboltswithcross-sectionalareasdifferentfromthose

specifiedinSpecificationA615/A615Mareused,adjustmentstothe

calculatedequivalentlengthmaybenecessary.

A3.4GroutApplicationClass

A3.4.1Chemicalgroutingmaterialsshallbeassigneda

classdesignationtoindicaterecommendedproductapplica-

tion.

A3.4.1.1Chemicalgroutingmaterialsforuseinfully

groutedorpartiallygroutednontensionedapplicationsshallbe

designatedasClassI.

A3.4.1.2Chemicalgroutingmaterialsusedtosupplement

mechanicalanchoragedevicesshallbedesignatedasClassII.

A3.4.1.3Chemicalgroutingmaterialsusedtoprovidean-

chorage(chemicalanchoronly)fortensionedboltsshallbe

designatedasClassIII.

A3.4.2Chemicalgroutingmaterialsservingmorethanone

applicationclassmaybeassignedamultipleclassdesignation

(thatis,ClassI,III).

A3.5ProductMarking

A3.5.1Cartridgesofchemicalgroutingmaterialsarenot

nersofchemicalgroutingcar-

tridgesshallbelabeledtoprovidethefollowinginformation:

A3.5.1.1Containerlabelsshallprovidegeneralproduct

informationincludingmanufacturer,formulationdesignation,

andnumberofcartridgesinthecontainerasshipped.

A3.5.1.2Containerlabelsshallprovidenominalsystemdata

includingrecommendedholediameter,boltdiameter,and

cartridgeequivalentfootage(seeA3.3).Labelsmaylistmore

thanonehole/bolt/ationifmultipleproductap-

plicationsarepossible.

A3.5.1.3Containerlabelsshallprovidestandarddatain-

cludingcartridgelengthanddiameter,speedindex(seeA3.2),

applicationclass(seeA3.4),and“useby(date).”

A3.5.1.4Nominalinstallationdataincludingrecommended

mixtime(seconds)andmixingspeed(r/min)shallbeincluded

on,orwithin,thecontainer.

A3.5.1.5Strengthindexshallbeplacedonthecontainer

label,withinthecontainer,orinthemanufacturers’literature.

APPENDIXES

(NonmandatoryInformation)

INGAPPROPRIATEGRADERATINGFORBEARINGPLATESANDHEADERPLATES

X1.1Theestablishmentofgradeincrementsforbearing

platesandheaderplatesdescribedin7.4.1enablesthepur-

chasertoselecttheappropriaterelationshipbetweenthe

performancecharacteristicsoftheboltsandplatesthatis

effectivefortheparticularrockandgroundconditionsatthe

siteofintendeduse.

X1.2Afterdeterminingthedesiredrelationshipbetween

thegraderatingoftheplateandtheminimumyieldloadforthe

gradeanddiameterofthebolt,thepurchasercanorderunder

thisspecificationanappropriategraderatingforthebearing

plateorheaderplate.

IONSHELLTYPES

first

typeisself-supportingbysomemeansintegraltotheshell,

ondtyperequiressupporttoremainin

pemayuse

supportsuchasspecialnutsonthethreadorplasticsleeves,

upport

devices(bail,supportnuts,etc.)shouldbeofaspecialdesign

thatiscapableofsupportingtheshellduringinstallationbut

shouldnotinterferewiththepropertensioningoftheboltafter

theshellisanchored.

SUMMARYOFCHANGES

CommitteeF16hasidentifiedthelocationofselectedchangestothisstandardsincethelastissue,F432–95

(2001),thatmayimpacttheuseofthisstandard.(ApprovedAug.1,2004).

(1)RevisedSection14,Responsibility.

ASTMInternationaltakesnopositionrespectingthevalidityofanypatentrightsassertedinconnectionwithanyitemmentioned

fthisstandardareexpresslyadvisedthatdeterminationofthevalidityofanysuchpatentrights,andtherisk

ofinfringementofsuchrights,areentirelytheirownresponsibility.

Thisstandardissubjecttorevisionatanytimebytheresponsibletechnicalcommitteeandmustbereviewedeveryfiveyearsand

ifnotrevised,mmentsareinvitedeitherforrevisionofthisstandardorforadditionalstandards

mmentswillreceivecarefulconsiderationatameetingofthe

responsibletechnicalcommittee,eelthatyourcommentshavenotreceivedafairhearingyoushould

makeyourviewsknowntotheASTMCommitteeonStandards,attheaddressshownbelow.

ThisstandardiscopyrightedbyASTMInternational,100BarrHarborDrive,POBoxC700,WestConshohocken,PA19428-2959,

dualreprints(singleormultiplecopies)ofthisstandardmaybeobtainedbycontactingASTMattheabove

addressorat610-832-9585(phone),610-832-9555(fax),orservice@(e-mail);orthroughtheASTMwebsite

().

2024年5月8日发(作者：斋宜欣)

Designation:F432–04

StandardSpecificationfor

RoofandRockBoltsandAccessories

1

ThisstandardisissuedunderthefixeddesignationF432;thenumberimmediatelyfollowingthedesignationindicatestheyearof

originaladoptionor,inthecaseofrevision,rinparenthesesindicatestheyearoflastreapproval.A

superscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.

*

1.1Thisspecificationcoversthechemical,mechanical,and

dimensionalrequirementsforroofandrockboltsandaccesso-

sedinthisspecificationaredouble-endthreaded

andslottedsteelbars;fullygroutedboltsandthreadedbars;

mechanicalanchoragedevicesusedforpointanchorageappli-

cations;rooftrusssystems;partiallygrouteddeformedbolts;

formableanchoragedevices;andotherfrictionalanchorage

heseproductsrepresentvariousdesignsused

ecificationcanberevised

toaddressnewtechnologies.

1.2Thevaluesstatedininch-poundunitsaretoberegarded

uesgiveninparenthesesarefor

informationonly.

1.3ThishazardstatementappliesonlytoSection10,Test

Methodsofthisspecifiandarddoesnotpurport

toaddressthesafetyconcerns,ifany,associatedwithitsuse.

Itistheresponsibilityoftheuserofthisstandardtoestablish

appropriatesafetyandhealthpracticesanddeterminethe

applicabilityofregulatorylimitationspriortouse.

ncedDocuments

2.1ASTMStandards:

2

A29/A29MSpecificationforSteelBars,CarbonandAlloy,

Hot-Wrought,GeneralRequirementsfor

A47/A47MSpecificationforFerriticMalleableIronCast-

ings

A194/A194MSpecificationforCarbonandAlloySteel

NutsforBoltsforHigh-PressureorHigh-Temperature

Service,orBoth

A220SpecificationforPearliticMalleableIron

A370TestMethodsandDefinitionsforMechanicalTesting

ofSteelProducts

ThisspecificationisunderthejurisdictionofASTMCommitteeF16on

FastenersandisthedirectresponsibilityofSubcommitteeF16.02onSteelBolts,

Nuts,Rivets,andWashers.

CurrenteditionapprovedAug.1,ally

eviouseditionapprovedin2001asF432–95(2001).

2

ForreferencedASTMstandards,visittheASTMwebsite,,or

contactASTMCustomerServiceatservice@ualBookofASTM

Standardsvolumeinformation,refertothestandard’sDocumentSummarypageon

theASTMwebsite.

1

A536SpecificationforDuctileIronCastings

A563SpecificationforCarbonandAlloySteelNuts

A568/A568MSpecificationforSteel,Sheet,Carbon,and

High-Strength,Low-Alloy,Hot-RolledandCold-Rolled,

GeneralRequirementsfor

A615/A615MSpecificationforDeformedandPlain

Billet-SteelBarsforConcreteReinforcement

A751TestMethods,Practices,andTerminologyfor

ChemicalAnalysisofSteelProducts

D1248SpecificationforPolyethylenePlasticsExtrusion

MaterialsforWireCable

F436SpecificationforHardenedSteelWashers

F606TestMethodsforDeterminingtheMechanicalProp-

ertiesofExternallyandInternallyThreadedFasteners,

Washers,andRivets

2.2ASMEStandards:

3

B1.1UnifiedScrewThreads

B1.3MScrewThreadGagingSystemsforDimensional

Acceptability—InchandMetricScrewThreads

B18.2.2SquareandHexNuts

ology

3.1Definitions:

3.1.1bearingplates,platewashers,mineroofplates—

platesthatservetodistributetheloadfromtheexposedendof

theboltorthreadedbartotherockfaceorintermediate

member.

3.1.1.1headerplates—largerectangularbearingplates,

usually6in.(152mm)wideby16to18in.(406.4to457.2

mm)long,oranyothershapewithanequivalentarea,usedin

substitutionforwoodenheaderblocksforwiderdistributionof

theboltloadthanispossiblewithstandardbearingplates.

3.1.2bendablebolts—boltsfurnishedwithanalteredsec-

tionatsomelocation,tobespecifiedbythecustomer,atwhich

thebarwillbend.

AvailablefromAmericanSocietyofMechanicalEngineers(ASME),ASME

InternationalHeadquarters,ThreeParkAve.,NewYork,NY10016-5990.

3

*ASummaryofChangessectionappearsattheendofthisstandard.

Copyright©ASTMInternational,100BarrHarborDrive,POBoxC700,WestConshohocken,PA19428-2959,UnitedStates.

1

3.1.2.1Discussion—Bendingisnecessarytopermitinstal-

tered

sectionmaybeproducedbyhotorcoldforging,orbyshearing,

sawing,trimming,machining,grinding,oracombinationof

theseprocesses.

3.1.3beveledwashers—washerswhosefacesareatanangle

permittingaheadedboltorthreadedbartobeinstalledata

slightangletotherockfaceandyetmaintainedthefaceofthe

boltheadperpendiculartotheboltaxis.

3.1.4chemicalanchors—chemicalmaterialsthatprovide

anchoragebetweentheboltorbarandthedrilledhole.

3.1.5expansionshells—anchoragedevicesthatexpandto

gripthesidesofadrilledholemechanicallyandtransferload

fromthelocationoftheanchortothebarorbolt.

3.1.6extensions—threadedbarsusedtoextendthelengthof

threadedorthreadedslottedbars.

3.1.7formableanchoragedevices—anyroofsupportde-

vicesthatprovideanchoragethroughsomemeansofphysical

interferenceandengagementofthesurfaceofabarorboltwith

anyformablematerial,otherthanchemicalgrout,inabore-

hole.

3.1.8frictionalanchoragedevices—roofsupportdevices

thataredesignedsothattheholdingforceactsoverthefull

contactlength.

3.1.9fullygroutedboltsandthreadedbars—deformedbars

orplainbarsusedwithfull-lengthgroutingandhavingspecial

deformationsorotherdesignfeaturestoprovideinterlocking

betweenthesteelandthegrout.

3.1.10hardenedwashers—washersthathavebeenhard-

enedbyheattreatmenttoprovideconsistencytothetorque

tensionrelationnecessarytocontrolinstallationtensionof

boltsandthreadedbars.

3.1.11minimumnon-seizureload(MNSL)—theloadlevel

inpoundsthroughwhichbolt/plugthreadseizuremustnot

occur.

3.1.12minimumultimateload(MUL)—theloadlevelin

poundsthroughwhichbolt/plugthreadfailuremustnotoccur.

3.1.13rollers,cams—movingdevicesthat,whenusedwith

internallythreadedcylinderscontainingexternaltaperedslots,

provideexpansiontogripthesidesofadrilledholemechani-

callyandtransferloadfromthelocationoftheanchortothe

barorbolt.

3.1.14roofandrockbolts—headedhot-rolledbarswith

cold-rolledormachine-cutthreadsattheend,tobeusedwith

anchoragedevicestoholdupmineroofs,holdbackwalls,or

holddownequipmentorfoundations.

3.1.15rooftrusssystem—aroofsupportsystemincorporat-

ingboltsthatarejoinedtogetherbycrossmember(s)thatis

(are)tensionedbydesign.

3.1.16sphericalwashersorseats—washersthatareflaton

combinationofsphericalwashertogetherwithadepressionin

thebearingplateproducesaball-and-socketjointpermitting

boltstobeinstalledataslightangletotherockfacewhilestill

maintainingthefaceoftheboltheadperpendiculartothebolt

axis.

3.1.17taperedwedges—plainwedgesthatprovidethe

expansionforthreadedslottedbars.

3.1.18tensionnuts—nutsthatareintendedtoinduceand

maintaintensioninabolt.

3.1.19threadedbars—barsthatareusedwithanutonone

eusedina

mannersimilartotheboltsdescribedin3.1.14.

3.1.20threadedcouplings—couplingsusedtopermitthe

assemblyofadditionalexternallythreadeditems.

3.1.21threadedslottedbars—barsthreadedatoneendeach

withaforged,burned,orsawedslotattheother,intowhicha

chassemblyisdriven

intoabottomedhole,thewedgespreadstheslotandan

anchorageisproduced.

3.1.22threadedtaperedplugs—threadedwedgethatex-

pandstheexpansionshellbythemovementofthethreaded

plugwithintheshellastighteningprogresses.

ngInformation

4.1Ordersformaterialunderthisspecificationshallinclude

atleastthefollowinginformation:

4.1.1Quantity(numberofpieces),

4.1.2Nameofproducttogetherwithdescriptionofacces-

sories,

4.1.3Dimensions,

4.1.4ASTMdesignationandyearofissue,including

strengthgrade,

4.1.5Specialrequirements,ifany,includingpackagingand

threadprotectioninstructions,and

4.1.6Certifications,ifrequired.

4.2Theproductscoveredbythisspecificationarecurrently

producedbymanymanufacturerstoawidevarietyofdesigns.

Itisnecessaryfortheuserandthemanufacturertoestablishthe

requirementsoftheindividualinstallationandtoagreeastothe

exA1andAppendix

X1foradditionalinformation.

cturingProcesses

5.1MaterialsforBolts,Extensions,andThreadedor

ThreadedSlottedBars:

5.1.1Steelshallconformtotherequirementsshownin

Table1andinSpecificationA29/A29Mforplainbarsor

TABLE1ChemicalRequirements

ProductCarbon,max,%Sulfur,max,%Phosphorus,max,

%

HeatProductHeatProductHeatProduct

Bolts,threaded

bars,andthreaded

slottedbars

A

0.750.790.13

B

0.0500.058

Steeltaperedwedges0.800.840.13

B

0.0500.058

Hardenedspherical,

flat,orbeveled

washers0.800.840.0500.0580.0500.058

Sphericalorbeveled

washers0.800.840.0500.0580.0500.058

Bearingandheader

plates1.001.040.0500.0580.0500.058

Steelthreadedtapered

plugs0.600.640.13

B

0.0500.058

Steelexpansionshells0.300.330.0500.0580.0500.058

A

BarsfurnishedinaccordancewithSpecificationA615/A615Mmaybe

substitutedfortheserequirements.

B

Checkanalysisforsulfurifaresulfurizedsteelisnottechnicallyappropriate.

SpecificationA615/A615Mforplainordeformedbarsunless

otherwisespecified.

5.1.1.1Threadedslottedbarsmayhavetheslotproducedby

forging,burning,slotsofGrades55and75

threadedslottedbarsmusthavetheslottedendnormalizedby

heatingtoaminimumof1600°F(870°C)andaircooling

subsequenttoburning.

5.1.1.2Threadsonboltsorthreadedbarsmaybecoldrolled

ormachinecutonthehot-rolledbars.

5.2MaterialsforTaperedWedgesforUseWithThreaded

SlottedBars:

5.2.1MalleableironcastingshallconformtoSpecification

A47/A47M.

5.2.2Pearliticmalleableironcastingsshallconformto

SpecificationA220,Grades45006or50005.

5.2.3Steelshallconformtotherequirementsshownin

Table1.

5.3MaterialsforExpansionShells:

5.3.1MalleableironcastingsshallconformtoSpecification

A47/A47M.

5.3.2Steelshallconformtotherequirementsshownin

Table1.

5.3.3DuctileironcastingsshallconformtoSpecification

A536,Grades60-40-18.

5.4Materialsforthreadedtaperedplugsusedwithexpan-

sionshellsshallconformtothetestspecificationsin10.8.

5.5MaterialsforBearingandHeaderPlates,AlsoKnown

AsPlateWashersorMineRoofPlates:

5.5.1Steelshallconformtotherequirementsshownin

Table1.

5.5.1.1Bearingandheaderplatesmaybestrengthenedby

coldformingormaybehardenedbyquenchinginaliquid

mediumfromabovetheaustenitizingtemperatureandtemper-

ingatatemperatureofnotlessthan650°F(345°C).

5.6MaterialsforSpherical,Flat,orBeveledHardened

Washers:

5.6.1Steelshallconformtotherequirementsshownin

Table1.

5.6.1.1Hardenedsteelwashersshallbethroughhardened

byquenchinginaliquidmediumfromabovetheaustenitizing

temperatureandtemperingatatemperatureofnotlessthan

650°F(345°C).Case-hardenedwashersarenotpermitted.

5.7MaterialsforSphericalorBeveledWashers:

5.7.1MalleableironcastingsshallconformtoSpecification

A47/A47M.

5.7.2Pearliticmalleableironcastingsshallconformto

SpecificationA220,Grades45006,50005,or60004.

5.7.3Steelshallconformtotherequirementsshownin

Table1.

5.8NutsshallbeinaccordancewithSpecificationsA194/

riatenutsforeachgradeofthreaded

strengthnutsconformingto

SpecificationsA194/A194MorA563maybesubstituted.

Whenspecifiedontheorderorcontract,nutswithexternal

dimensionsofnominal

3

⁄

4

-exorheavysquaresize

maybesuppliedwith

5

⁄

8

-sforusewith

5

⁄

8

-ed

bars.

TABLE2AppropriateNuts

Bolt,ThreadedBar,orThreadedSlottedNutSpecification

BarGrade

30(regularstrength)A194,Grade1;A563,GradeB

55(highstrength)A194,Grade1;A563,GradeB

75(extrahighstrength)A194,Grade2;A563,GradeC

5.9ChemicalgroutingmaterialsarecoveredinAnnexA3of

thisspecification.

5.10Materialsforthreadedcouplingsshallbeselectedby

themanufacturertoensurecompliancewith7.6and8.7.

5.11MaterialsforBoltsandThreadedBarsforUsein

GroutedSystems—Plainordeformedsteelbarsshallconform

toTable1orSpecificationA615/A615M.

5.12MaterialsforFrictionalAnchorageDevices—Sheet

steelshallconformtoSpecificationA568/A568M.

5.13Componentsofrooftrusssystemsshallbemanufac-

turedinaccordancewiththeappropriateparagraph(s)of

Section5ofthisspecification.

5.14MaterialsforFormableAnchors:

5.14.1Materialsforformableanchortubesareasfollows:

5.14.1.1Polyethylenesusedforformableanchortubesshall

conformtoASTMD1248ClassificationTypeIII,ClassAor

B,Category5.

N

OTE

1—Allshapes,compositions,andpropertiesofformableanchor

materialsarenotcoveredbythisspecifiustensurethatthe

formableanchormaterialofferedissuitableforitsintendeduse.

alComposition

6.1Materialsusedforbolts,threadedbars,threadedslotted

bars,spherical,flat,orbeveledwashers,threadedtapered

plugs,taperedwedges,expansionshells,bearingplatesand

rooftrusscomponentsshallbeasspecifiedinTable1and

Section5.

6.2Materialsforallcastorwroughtmetallicitemsother

thanthosecoveredin6.1shallconformtotherequirementsas

specifiedinSection5.

6.3Individualheatsofsteelorcastironarenotidentifiedin

anyofthefinishedproducts.

6.4Chemicalanalysesforsteelproductsshallbeperformed

inaccordancewithTestMethods,Practices,andTerminology

A751.

6.5Materialsforformableanchorsshallconformtothe

requirements,ifapplicable,specifiedinSection5.

6.6Chemicalanalysesshallbeperformedinaccordance

withTestMethods,Practices,andTerminologyA751.

icalProperties

7.1Mechanicalpropertiesofsteelbars,forthemanufacture

ofbolts,threadedbars,orthreadedslottedbarsshallbeas

specifiedinTable3fortherequiredgrade.

7.2Mechanicalpropertiesofsteelbolts,threadedbars,and

threadedslottedbarswhoseslotshavebeenproducedwithout

materialremovalshallbeasspecifiedinTable4forthe

requiredgrade.

7.3Expansionshells,threadedtaperedplugs,tapered

wedges,andsphericalwashersshallconformtotheapplicable

specificationofSection5andshallsuccessfullyperformthe

requiredpurposeasdescribedinAnnexA1.

TABLE3MechanicalPropertiesofSteelBarsforthe

ManufactureofBolts,ThreadedBars,andThreadedSlotted

Bars

AB

GradeNominalYieldPointTensileElongationin

Diameter,min,psi(MPa)Strengthmin,200

in.

C

psi(MPa)mmMinimum,

%

40

D

3

⁄

4

–1

1

⁄

2

40000(276)70000(483)12

55

5

⁄

8

–1

1

⁄

2

55000(379)85000(586)12

60

D

5

⁄

8

–1

1

⁄

2

60000(414)90000(621)9

75

5

⁄

8

–1

1

⁄

2

75000(517)100000(688)8

100

5

⁄

8

–1

1

⁄

2

100000(689)125000(862)6

A

Testofbarsshallbeperformedfullsize.

B

imum

minimumelongationshallbe4%forallgradesabove100.

C

Actualbardiametersaresomewhatlessthannominal,especiallywhenroll

threadingmethodsareemployed.

D

Grade40and60onlyapplytodeformedbar.

7.4Bearingplatesandheaderplatesthatarestrengthened

byquenchingandtemperingshallhaveamaximumhardness

of45HRC.

7.4.1Bearingplatesandheaderplatesshallbeprovidedin

10000-lbf(44.5-kN)imumgrade

ratingpermittedshallbe20000lbf(89.0kN).

7.5Hardenedwashersshallhaveahardnessrangefrom35

to45HRC.

7.6Threadedcouplingsmustbecapableofdevelopingthe

actualyieldandtensilevaluesofthebolt,threadedbar,or

threadedslottedbarwithwhichtheyaretobeused.

7.7Extensionsmustbeinaccordancewith7.1and7.2for

thegradeofitemspecified.

7.8Mechanicalpropertiesforboltsandthreadedbarsfor

useingroutedsystemsshallbeasspecifiedinTable3forplain

bars;andTable3orSpecificationA615/A615Mfordeformed

ndthreadedbarsmadefromplainmaterialmust

containsomedesignfeaturetoprovideinterlockingbetween

temscanbesuppliedthreadedor

headed.

7.9Threadedslottedbarswhoseslotshavebeenproduced

byburningshallbeheattreatedbynormalizinginaccordance

malizingheattreatmentandtheremovalof

materialfromtheslot,whetheritbebyburningorsawing,will

thertheburningorsawing

orothermethodsinvolvingmetalremovalareused,the

mechanicalpropertiesofthreadedslottedboltsshallbeas

specifiedinTable5.

7.10Threadedtaperedplugsforexpansionanchorsmustbe

capableofwithstandingtheminimumnonseizureload(MNSL)

andminimumultimateload(MUL),inaccordancewithTable

6.

7.11Tensionnutsmustbecapableofwithstandingthe

ultimatetensilestrengthoftheboltorrebarofthehighestgrade

withwhichtheyaretobeused.

7.12Themechanicalpropertiesofcomponentsofrooftruss

systemsshallbeinaccordancewiththeappropriatepara-

graph(s)ofthissection.

7.12.1Trussbracketsshallbeprovidedin10000-lbf(44.5-

kN)gradeincrements.

7.13Formableanchormaterialsshallconformtotheappli-

cablespecificationsofSection5.

ions,Mass,andPermissibleVariations

8.1Threadedboltsshallconformtothedimensionsshown

inFig.1.

8.1.1Deformedbarboltsarebarsthathavebeenforgedto

produceoneofthestandardheadsdescribedinFig.1.

8.2Threadedandthreadedslottedbarsshallconformtothe

dimensionsshowninFig.2.

8.3ThreadRequirements:

N

OTE

2—Threadsizevariationscanbeexpectedduetobardiameter

pecialrequirementsreflectpractices

forexternalandinternalthreadsthathavebeenfoundtoprovideadequate

strengthandinterchangeability.

8.3.1ExternalthreadsshallbeinaccordancewithASME

B1.1UNC1Aexceptthattheminimumpitchdiameterhas

beenreducedby0.003in.(0.08mm)andtheminimummajor

diameterhasbeenreduced0.010in.(0.25mm)toreflectthe

normalvariationsexpectedonhot-rolledbarsduetothe

combinedeffectofbardiameterandout-of-roundtolerances.

InformationonthisincreasedtoleranceisdescribedinNote3.

ThemodifiedrequirementsarelistedinTable7.

N

OTE

3—Externalthreadsthataretobeusedwiththreadedtapered

plugsinexpansionanchorsarepermittedtohavesomewhatincreased

loadisincreased,thetendency

forthreadfailurethroughnutdiametricalexpansionnormallyincreases;

however,inthecaseofthreadedtaperedplugs,increasedloadis

accompaniedbyanincreasingcompressionoftheinternalthreadsontothe

mpensationfordecreasedmajordiameteris

furtheraugmentedbythelengthofengagementwhichislongerthanfor

beusedwiththreadedbarsandthreadedslottedbars

shallbeselectedtoprovideadequatestrengthunderthesethreadcondi-

tions.

8.3.2Internalthreadsinthreadedtaperedplugsand

threadedcouplingsshallbeinaccordancewithASMEB1.1

oversizeisanincreaseinthepitchdiameterof0.003in.(0.08

mm)toallowforhandlingdamageontheexternalthreadand

imum

minordiametersarestandard1Bfor1

1

⁄

2

to3diameterlengthof

ifiedrequirementsarelistedinTable7.

8.3.3InternalthreadsinnutsshallbetappedstandardUNC

2BsizeinaccordancewithASME.1ormaybetappedoversize

inaccordancewith8.3.2withagreementofproducerand

purchaser.

8.3.4Gagingofthreadsshallbeperformedinaccordance

withSystem21,iameterandthread

crestdiameterlimitsarespecifiedinTable7.

8.3.5Threadedtaperedplugsshallhaveatappedlengthat

leastequaltoonetimesthenominalboltdiameterwithwhich

theyaretobeused.

8.3.6Threadedcouplingsshallhaveatappedlengthatleast

equaltotwotimesthenominalboltdiameterwithwhichthey

aretobeused.

8.4Roundandsquarehardenedwashersshallbeasshown

inFig.3.

8.4.1Therearetwotypesofhardenedflatwashersavail-

1istobefurnishedunlessotherwisespecified.

8.4.1.1Type1iseithercircularorsquareasshowninFig.

signedforusewithplatewasherscontaining1

3

⁄

8

-in.

(35-mm)holes,butmaybeusedforallsmallerholesizes.

TABLE4LoadSupportRequirementsofSteelBolts,ThreadedBars,(seeAnnexA2)ThreadedDeformedBars,

andThreadedSlottedBarsWhoseSlotHasBeenProducedWithoutMetalRemoval

A

N=Newton

kN=kiloNewton

1lb=4.448Nor0.004448kN

Nominal

Diameter

(in.)/Thread

/in.

5

8

Thread

StressArea,

in.

2

(mm

2

)

Yieldlbs

(kN)

C

0.226

(1.46)

0.334

(2.65)

0.462

(2.96)

0.606

(3.91)

0.763

(4.92)

0.969

(6.25)

1.155

(7.45)

1.405

(9.06)

D

Grade

40

B

Ultimatelbs

(kN)

C

D

55

Yieldlbs

(kN)

C

12400

(55.16)

18400

(81.8)

25400

(113.0)

33300

(148.1)

42000

(186.8)

53300

(237.1)

63500

(282.4)

77300

(343.8)

Ultimatelbs

(kN)

C

19200

(85.4)

28400

(126.3)

39300

(174.8)

51500

(229.0)

64900

(286.7)

82400

(366.5)

96200

(436.8)

119400

(531.1)

Yieldlbs

(kN)

C

13600

(60.50)

20000

(89.0)

27700

(123.2)

36400

(161.9)

45800

(203.7)

58100

(258.4)

69300

(308.2)

84300

(375.0)

60

B

Ultimatelbs

(kN)

C

20300

(90.30)

30100

(133.9)

41600

(185.0)

54500

(242.4)

68700

(305.6)

87200

(387.9)

104000

(462.6)

126500

(562.7)

Yieldlbs

(kN)

C

17000

(75.6)

25100

(111.6)

34700

(154.3)

45500

(202.4)

57200

(254.4)

72700

(323.4)

86600

(385.2)

105400

(468.8)

75

Ultimatelbs

(kN)

C

22600

(100.5)

33400

(148.6)

46200

(205.5)

60600

(269.5)

76300

(339.4)

96900

(431.0)

115500

(513.7)

140500

(624.9)

Yieldlbs

(kN)

C

22600

(100.5)

33400

(146.6)

46200

(205.5)

60600

(269.5)

76300

(339.4)

96900

(431.0)

115500

(513.7)

140500

(624.9)

100

Ultimatelbs

(kN)

C

26300

(130.8)

41800

(193.5)

57800

(267.3)

75800

(350.5)

95400

(441.2)

121100

(560.4)

144400

(668.1)

175600

(814.6)

⁄–11

⁄–10

⁄–9

3

4

7

8

1–8

1

1

⁄

6

–7

1

1

⁄

4

–7

1

3

⁄

8

–6

1

1

⁄

2

–6

A

B

13400

(59.60)

18500

(82.3)

24200

(107.6)

30500

(135.7)

38800

(172.6)

46200

(205.5)

56200

(250.0)

23400

(104.08)

32300

(143.7)

42400

(188.6)

53400

(237.5)

67800

(301.6)

80900

(359.8)

98400

(437.7)

Testsofboltsandthreadedbarsshallbeperformedusingfull-diameterproducts.

InformationforGr40and60onlyappliestodeformedbars.

C

Requiredyieldandtensileloadsshownarecalculatedbymultiplyingthreadstr

stressareaiscalculatedfromthemeanrootandpitchdiametersofadrenalthreadsasfollows:

0.9743

2

A

s

50.7854

D

2

n

S

D

where:

A

s

=stressarea,in.

2

D

=nominaldiameter,in.,and

n

=numberofthreadsperinch.

D

5

⁄

8

40productsarenotcovered.

TABLE5LoadSupportRequirementsforThreadedSlottedBars

WhoseSlotHasBeenProducedbyMethodsInvolvingMetal

Removal

A

NominalDiameter,

in.

ThreadStress

Area,min,in.

2

(mm

2

)

0.606

0.969

1.155

1.405

(3.91)

(6.25)

(7.45)

(9.06)

Grade55

YieldLoad,min,lbfUltimateTensile

(kN)

B

Load,min,lbf(kN)

B

30000

48000

57200

69600

(133.3)

(213.4)

(254.2)

(309.4)

46400

74200

88400

107500

(206.2)

(329.9)

(393.1)

(478.0)

TABLE6PlugGradeRatingSystem

NominalGrade1

Diameter,

MNSL

A

MUL

B

in.

⁄

⁄

3

⁄

4

7

⁄

8

1

1

1

⁄

8

1

1

⁄

4

1

3

⁄

8

1

1

⁄

2

1

2

5

8

Grade2

MNSL

A

10.7

17.0

25.1†

34.7

40.0

40.0

40.0

40.0

40.0

MUL

B

17.0

27.1

40.1

55.4

72.7

91.6

116.3

138.6

168.6

Grade3

MNSL

A

13.5

21.5

31.7

40.0

40.0

40.0

40.0

40.0

40.0

MUL

B

19.9

31.6

46.8†

64.7

84.8

106.8

135.7

161.7

196.7

Grade4

MNSL

A

16.3

26.0

38.4

40.0

40.0

40.0

40.0

40.0

40.0

MUL

B

22.7

36.1

53.4†

73.9

96.9

122.0

155.0†

184.8

224.8

1

1

1

⁄

4

1

3

⁄

8

1

1

⁄

2

A

Testsofbolts,threadedbars,andthreadedslottedbarsshallbeperformed

usingfull-diameterproducts.

B

Requiredyieldandtensileloadsshownarecalculatedbymultiplyingthread

stressareastimestheyieldpointandtensilestrengthvaluesshowninTable2.

Threadstressareaiscalculatedfromthemeanofthemeanrootandpitch

diametersofClass3externalthreadsasfollows:

0.9743

2

A

s

50.7854

D

2

n

7.0

12.4

18.4

25.4†

33.3

40.0

40.0

40.0

40.0

14.2

22.6

33.4

46.2

60.6

76.3

96.9

115.5†

140.5†

MNSL—MinimumNon-SeizureLoad(1000lb).

MUL—MinimumUltimateLoad(1000lb).

†Editoriallycorrected.

B

A

S

D

where:

A

s

=stressarea,in.

2

D

=nominaldiameter,in.,and

n

=numberofthreadsperinch.

8.4.1.2Type2isthehardenedflatwasherinaccordance

withSpecifieusedonlywhensufficient

clearanceisavailablebetweenthethreaded-barorthreaded-

rolled-barbodydiameterneartheheadandthewasherhole.

Thiswasherisnotsuitableforusewithplatewashersthat

containholesthataremorethan

3

⁄

8

in.(9.5mm)greaterin

diameterthanthenominalboltdiameter.

8.5Bearingandheaderplatesmaybeofanythicknessthat

successfullymeetsthetestrequirementsinaccordancewith

imumholesizeforusewithboltsupto

3

⁄

4

-in.

nominaldiametershallbe1

3

⁄

8

in.(35mm)exceptthatholesize

maybe1

1

⁄

2

in.(38mm)whensphericalwashersorseatsare

nceonholediametershallbe−0,

1

⁄

8

in.(−0,+3.2

mm).Bearingplatesfordirectbearingapplicationsshallbe6

by6in.(152by152mm)withtolerancesforlengthandwidth

of6

1

⁄

8

bearingplatesmaybefurnished,dimensions

NominalBoltSize,

5

⁄

8

to1in.(Note1)

HHeadHeight,min.,in.(mm)0.476(12.09)

FHeadAcrossFlats,in.(mm)1.088to1.125(27.64to28.58)

GHeadAcrossCorners,in.(mm)1.425to1.591(36.19to40.41)

EBodydiameteriscontrolledbythe

rollthreadingoperation.

Note1—Whenspecifiedbythecustomerontheorderorcontract,the

5

⁄

8

-in.

diameterboltmaybesuppliedat:

H—0.400(10.16)

F—0.906to0.938(23.01to23.83)

G—1.244to1.326(31.60to33.68)

Note2—Whenspecifiedbythecustomerontheorderorcontract,ashoulder,

collar,orswellequaltothebodydiameterofa

3

⁄

4

-erboltmaybeapplied

undertheheadofa

5

⁄

8

-erboltforalengthofapproximately

3

⁄

16

in.

Note3—Pinchedearsmaybeprovidedtosupporttheexpansionshellduring

installation.

Note4—Boltheadmayhavedepressedcenter.

Note5—SeeTable7forheadmarkings.

Note6—SeeParagraph8.3.1forthreads.

Note7—Forgingflashispermitted.

FIG.1RoofandRockBolts

N

OTE

1—Pinchedearsmaybeprovidedtosupporttheexpansionshell

duringinstallation.

N

OTE

2—See8.3.1forthreads.

N

OTE

3—EBodydiameterisestablishedbythemethodofthreading.

N

OTE

4—Bodydiameteriscontrolledbytherollthreadingoperation.

FIG.2ThreadedBarsandSlottedThreadedBars

andtolerancestobebyagreementbetweentheproducerand

rbearingplatesmaybeusedinconjunc-

tionwithsteelchannels,withotheraccessories,orinhardrock

areasbyagreementbetweentheproducerandthepurchaser.

Headerplatesaretypically6in.(152mm)wideby16to18in.

(406.4to457.2mm)long,oranyothershapewithan

equivalentarea.

8.6Bearingandheaderplatesusedwithfrictionalanchor-

e

TABLE7SpecialThreadRequirements

ExternalThreads

NominalDiameter,iameter,

A

in.(mm)MajorDiameter,

B

in.(mm)

5

⁄

8

–110.5531to0.56440.5952to0.6234

(14.049to14.336)(15.118to15.834)

3

⁄

4

–100.6714to0.68320.7188to0.7482

(17.054to17.353)(18.258to19.004)

7

⁄

8

–90.7884to0.80090.8423to0.8731

(20.025to20.343)(21.394to22.177)

1–80.9037to0.91680.9655to0.9980

(22.954to23.287)(24.524to25.349)

1

1

⁄

8

–71.0161to1.03001.0882to1.1228

(25.809to26.162)(27.640to28.519)

1

1

⁄

4

–71.1409to1.15501.2132to1.2478

(28.979to29.337)(30.815to31.694)

1

3

⁄

8

–61.2493to1.26431.3353to1.3726

(31.732to32.113)(33.917to34.864)

1

1

⁄

2

–61.3742to1.38931.4603to1.4976

(34.905to35.288)(37.092to38.039)

InternalThreads

MaximumMinorDiameter,

NominalDiameter,iameter,

C

in.(mm)in.(mm)

5

⁄

8

–110.5690to0.57970.551(13.995)

(14.453to14.724)

3

⁄

4

–100.6880to0.69950.668(16.967)

(17.475to17.767)

7

⁄

8

–90.8058to0.81810.783(19.888)

(20.467to20.780)

1–80.9218to0.93500.896(22.758)

(23.414to23.749)

1

1

⁄

8

–71.0352to1.04931.006

(26.294to26.652)(25.552)

1

1

⁄

4

–71.1602to1.17461.131

(29.469to29.835)(28.733)

1

3

⁄

8

–61.2697to1.28521.236

(32.250to32.644)(31.394)

1

1

⁄

2

–61.3947to1.41051.361

(35.425to35.827)(34.580)

A

StandardUNC1Avaluesexceptminimumreducedby0.003in.(0.08mm).

B

StandardUNC1Avaluesexceptminimumreducedby0.010in.(0.25mm).

C

StandardUNC1Bvaluesincreasedby0.003in.(0.08mm).

sizesandtolerancesshallbesetbythemanufacturerofthe

frictionalanchoragedevice.

8.7Dimensionsnototherwisespecifiedfortaperedwedges,

expansionshells,threadedtaperedplugs,beveledwashers,

sphericalwashers,threadedcouplings,andextensionsshallbe

byagreementbetweentheproducerandthepurchaser.

8.8Nutsshallbehex,heavyhex,square,orheavysquarein

otherwisespecified,

theheavyseriesshallbesupplied.

8.9SurfaceConfigurationonFormableAnchorBarsor

Bolts:

8.9.1Surfaceconfigurationsonsteelbarsorboltstobeused

withpolyethylenes,asspecifiedin5.14.1.1,formableanchor-

agedevices.

8.9.1.1Threepitchmodifiedreversebuttressformasde-

scribedinFig.4.

8.10DimensionsofFormableAnchorTubes:

8.10.1Dimensionsofformableanchortubesmadefrom

materialsconformingto5.14.1.

8.10.1.1Thewallthicknessoftheformableanchortube

shallbeasspecifiedbythemanufacturer60.015in.

8.10.1.2Theweightperinchofformableanchortubesshall

beasspecifiedbythemanufacturer68%.

BoltSizeNominalOutsideInsideDiameterThicknessin.(mm)

Dimension(O.D.)(I.D.)in.(mm)(T)

in.(mm)

5

⁄

8

2(50.8)

11

⁄

16

to

27

⁄

32

0.122to0.177

(17.4to21.4)

(3.10to4.50)

3

⁄

4

2(50.8)

to

31

⁄

32

0.122to0.177

(20.6to24.6)

(3.10to4.50)

7

⁄

8

2(50.8)

15

⁄

16

to1

5

⁄

32

0.132to0.177

(23.8to29.4)

(3.35to4.50)

1

2(50.8)

1

1

⁄

8

to1

9

⁄

32

0.132to0.177

(28.6to32.5)

(3.35to4.50)

1

1

⁄

8

2

1

⁄

2

(63.5)

1

1

⁄

4

to1

13

⁄

32

0.132to0.177

(31.8to35.7)

(3.35to4.50)

1

1

⁄

4

2

1

⁄

2

(63.5)

1

3

⁄

8

to1

17

⁄

32

0.132to0.177

(34.9to38.9)

(3.35to4.50)

1

1

⁄

2

3(76.2)

1

5

⁄

8

to1

25

⁄

32

0.132to0.177

(41.3to45.2)

(3.35to4.50)

FIG.3RoundandSquareHardenedWasherType1

8.10.1.3Thelengthofformableanchortubesshallbeas

specifiedbythemanufacturer60.250in.

N

OTE

4—Barrierplugsmaybeusedwiththeformableanchortubesto

separategroutedorchemicallyanchoredsegmentsofthebarsorbolts

cases,thebarrierplugshallbe

consideredasaportionofthetubelength.

ofTestsandRetests

9.1Bars—Twotensiontestsshallbemadefromeachheat

foreachnominaldiameterofbarsunlessthefinishedmaterial

fromaheatislessthan30tons(27.2Mg),whenonetension

ficationbythebarsupplierthatthe

requirementsofTable3havebeenmetisanacceptable

substituteforthesebartensiontests.

9.2Bolts,ThreadedBars,ThreadedSlottedBars,Bearing

andHeaderPlates,andAllTypesofWashers—Therequire-

mentsofthisspecificationshallbemetincontinuousmass

ufacturershallmakesampleinspections

andteststoensurethattheproductrepresentedbythetest

samplesconformstothespecifiufac-

turershallselectandtestaminimumoftwobolts,threaded

FIG.4Three-PitchModifiedReverseButtressBolt

bars,threadedslottedbars,bearingandheaderplates,and

washersfromeachdiscontinuousturnoreach24hofcontinu-

ousproduction.

9.3Impropermachiningorpreparationoftestspecimens

erlymachinedspecimens

shallbediscardedandotherspecimenssubstituted.

9.4Ifanytestspecimenfailstomeetthespecification

requirementsbecauseoffailureoftestingequipmentorim-

properspecimenpreparation,itmaybediscardedandanother

specimentaken.

thods

10.1Testbarsusedforthemanufactureofboltsand

threadedandthreadedslottedbarsforyieldpoint,tensile

strength,andelongationinaccordancewiththeDetermination

ofTensilePropertiesSectionofTestMethodsandDefinitions

A370.

10.2Tensiontestboltsandthreadedbarsinaccordancewith

theWedgeTensionTestingofFullSizeProductparagraphof

theyieldpoint

inthecourseofthistestbytheDropoftheBeamorHaltofthe

PointerMethodasdescribedintheparagraphsonTension

TestingofMachinedTestSpecimensofTestMethodsF606.

10.2.1Ifthelengthoftheboltorthreadedbarexceedsthe

lengththatcanbeaccommodatedbythetestingmachine,then

cuttheheadwithaportionofthebodyinthecaseofbolts,and

thethreadwithaportionofthebody,fromtheboltorthreaded

barandtesteachseparately.

10.2.1.1Testthesectioncontainingthethreadsforyield

pointandbreakingloadbyusingthenutintendedforuseonthe

emaynot

occurbystrippingofthreads.

10.2.1.2Testthesectioncontainingtheboltheadwitha10°

oth

bars,itispermissibletoincreasetheholeclearanceinthe

wedgeplatetotwotimestheclearancespecifiedinTest

MethodsF606toaccommodatecollarsorswellunderthebolt

ormedbars,itispermissibletoincreasethehole

clearanceofthewedgeplatetofourtimestheclearance

specifiedinTestMethodsF606.

10.2.1.3Testboltscontainingsurfaceconfigurationsby

grippingasectionofthesurfaceconfigurationandthebodyof

thebolt.

10.3ThreadedSlottedBars:

10.3.1Threadedslottedbarsfromwhichmaterialhasnot

beenremovedduringtheslottingoperation(forgedsplit-end

bars)neednotbetestedontheslottedend.

10.3.2Testthreadedslottedbarsfromwhichmaterialhas

lengthofthebarexceedsthelengththatcanbeaccommodated

bythetestingmachine,thentheexcesslengthmaybecutoff

anddiscarded.

10.3.2.1Performthetestoftheslottedendbyfirsttack

weldingthetwosidestogetherattheextremeendofthebar.

Gripbothendsofthistestbarandcontainatleast1in.(25mm)

ofslotinthetestedportionbetweenthegrips.

10.4TestsofBearingandHeaderPlates:

10.4.1Locatethebearingplatesamplecentrallyonasteel

testplatecontainingahole4in.(102mm)

aloadonthebearingplatebyeither(1)assemblingbolt,

threadedrodandnut,orfixturethroughthebearingplate,

placingtheplateassemblyonthecrossheadofatesting

machineandgrippingthebolt,rod,orfixtureandpullingdown

withtheupperplaten,or(2)pushingdownwithapunchhaving

adiameterofapproximately1.75in.(45mm)orequaltothe

fixture’soutsidediameter,whicheverisgreater,mounted

underneaththeupperplatenontotheplateassemblyplacedon

tobeincluded

intheactualinstallation,includeinthetestassemblya

hardenedwasherofthetypedefinedinthisspecifi

aninitialpreloadof6000lbf(26.7kN)andthenplacea

measuringdeviceaccurateto0.001in.(0.03mm)soastobe

capableofmeasuringtheaxialmovementoftheboltheador

measuringdevicetozeroafterapplicationofthe

setheloadto15000lbf(66.7kN)and

readtheaxialmovement,definedasdeflection,fromthe

imumpermissibledeflectionbe-

tweenthe6000and15000-lbfloadsis0.120in.(3.05mm).

Continuetheapplicationofloaduntilthegraderatingofthe

plateisreachedandagainreadtheaxialmovementfromthe

imumpermissibledeflectionbe-

tween6000lbfandthegraderatingis0.250in.(6.35mm).

10.4.2Testlargebearingplates(maximumdimension

greaterthan7in.(178mm)andheaderplatesforspan

performanceinaccordancewith10.4.2.1.

10.4.2.1Locatetheplatesamplecentrallyonasteeltest

platecontainingaclearspanof6in.(152mm).Thesteeltest

aloadontheplatebyeither(1)assemblingbolt,threadedrod

andnut,orfixturethroughtheplate,placingtheplateassembly

onthecrossheadofatestingmachineandgrippingthebolt,

rod,orfixtureandpullingdownwiththeupperplaten,or(2)

FIG.5BearingPlateTestPlate

pushingdownwithapunchhavingadiameterofapproxi-

mately1.75in.(45mm)orequaltothefixture’soutside

diameter,whicheverisgreater,mountedunderneaththeupper

tobeincludedintheactual

installation,includeinthetestassemblyahardenedwasherof

thetypedefinedinthisspecifininitialpreloadof

1000lbf(4.5kN)andthenplaceameasuringdeviceaccurate

to0.001in.(0.03mm)soastobecapableofmeasuringthe

measuring

devicetozeroafterapplicationofthe1000-lbfpreload.

Increasetheloadto5000lbf(22.2kN)andreadtheaxial

movement,definedasdeflection,fromthemeasuringdevice.

Themaximumpermissibledeflectionbetweenthe1000and

5000-lbfloadsis0.250in.(6.35mm).

N

OTE

5—Theinclusionofcomponentssuchassphericalnuts,spherical

washers,woodenheaderboards,metalchannels,etc.,intherockbolt

assemblycansignifihese

itemsarenottobeincludedinthestandardgraderatingandspantests

describedin10.4.1and10.4.2.1,theirinfluenceshouldbereviewedonan

individualbasiswherebearingplatestrengthhasbecomeanissue.

10.5Performhardnesstestsofwashersandbearingand

headerplatesinaccordancewithTestMethodsF606.

10.6Testsofwedgesforusewithslottedboltsarenot

ordinarilycontemplated.

10.7Expansionshellsandthreadedtaperedplugsshallbe

testedbythemanufacturerinaccordancewiththespecification

towhichtheyaresupplied.

10.8Thistestistodeterminethegraderatingspecifiedin

Table6forthreadedtaperedplugsusedinexpansionanchors.

Thistestisnotconsideredtobearoutinetesttobeperformed

duringmanufacture,butmustbeappliedincaseswherethe

strengthandperformanceofthethreadedtaperedplughave

stcanbeexecutedinavarietyofways,

allofwhichmustincludeinstallationofthebolt,expansion

shell,andthreadedtaperedpluginastraightsectionsmooth

holeofadiameterrecommendedbythemanufacturer60.030

tcylinderorblockshallbefabricatedtodimensions

thatwillallowtheexpansionanchortobecompletelyinserted

intotheholeandpreventlateraldistortionoftheholeduring

tshallbeperformedbytighteningtheassembly

intheholeandthenloadingtotheminimumnonseizure

(MNSL)loadforthegradeofplugspecifi

loadingaftertheinitialsettingshallbeeitherbyaxialloading

emblyshallthenbe

removedfromthetestcylinderorblockandexamined.

Followinganinitialfullturn(withawrench,ifnecessary),the

plugmustberemovablebyatorqueloadnottoexceed10ft/lb.

Thethreadedtaperedplugshallnothaverupturednorthe

edtaperedplugsforexpansionshells

mustalsobecapableofwithstandingtheminimumultimate

load(MUL)forthegradeofplugspecifist

shallbeconductedbyrepeatingthepreviousprocedureand

emblythenshallbe

ppingoftheplugthreadsshall

UL,distortionoftheplugorbolt

threads,orboth,mayprecludetheremovaloftheplug.

N

OTE

6—Whenthreadedtaperedplugsforexpansionshellsareusedin

conjunctionwithchemicalgroutingmaterials,theprovisionsof7.10also

areapplicable.

N

OTE

1—A36orsimilarsteel.

N

OTE

2—Slottobecentrallylocated.

N

OTE

3—DimensionsAandBshalleachbeaminimumof2in.(50.8mm)longerthanthecomparabledimensionsofthebearingorheaderplatesto

betested.

FIG.6SpanTestPlate

10.9SeeAnnexA1forinformationconcerningperformance

testsofexpansionshell,taperedplugs,taperedwedges,and

otheranchoragemethodsandmaterials.

10.10Nutsshallbemanufacturedandtestedinaccordance

withthespecificationtowhichtheyaresupplied,exceptthat

whensospecifiedontheorderorcontractnutsoftappedsizes

5

⁄

8

and

3

⁄

4

hesame1

1

⁄

8

-in.(28.58-mm)dimension

acrossflatsastheheadoftheboltshowninFig.1.

10.11Tensionnutsmustbecapableofwithstandingthe

ultimatetensileloadcapacityoftheboltorrebarofthehighest

stisnot

consideredtobearoutinetesttobeperformedduring

manufacturing,butmustbeappliedincaseswherethestrength

andperformanceofthethreadedtensionnutshavebecomean

stmaybecarriedoutbyengagingthethreaded

tensionnutwiththeboltorrebar,supportingthetensionnut

andthenloadingtotheultimatetensilestrength(todestruction)

emblyshall

eadedtensionnutsshall

mate

tensileloads,distortionoftheboltthreadsaswellaselongation

oftheboltintheengagedthreadzonemayprecludethe

removalofthetensionnut.

N

OTE

7—Residualtorquesarepermissibleduetothevariousstop

topmechanismsmustnot

distortthethreadedengagementareabetweenthebolt/rebarandtension

altorqueshallbedeterminedbythemanufacturer.

10.12TestsofNotchedBendableBolts:

10.12.1Notchedbendableboltsshallbecapableofbeing

bentthroughonebendingcycleasfollows:thebendshallbein

theareaofthereducedcrosssection,toanangleof90°,with

atthereducedsection

t

shallthenbebentinthesamemannerbacktoitsoriginal

onclusionofthebendtest,anyobviousvisible

evidenceofcrackingshallconstitutereasonforrejection.

N

OTE

8—Itisrecommendedthatduringtheinitialtoolupprocess,

prototypesamplesbesubjectedtomultiplebendingcyclestoensure

adequatenotchdesign.

10.12.2Boltssuccessfullypassingthebendtestshallbe

tensiontestedwiththebendablesectioninthezoneofthe

routednontensionedbendableboltsshall

havereachedaloadof23000lbf(102kN)beforebreaking.

Tensionedbendableboltsshallexceedtheminimumyield

loadsinaccordancewithSpecificationA615/A615Morthis

specification,orboth,forthegradeanddiameterofboltused,

houldbenoevidenceinthefractureofa

priorfractureasaresultofthebendingtest.

10.13TestsofRoofTrussComponents:

10.13.1Allcomponentsofrooftrusssystemsshallbetested

inaccordancewiththeappropriateparagraphofSection10of

thisspecification.

10.13.2Trussbracketsshallbetestedtofailureonasteel

fi

loadsshallbeappliedtothetrussbracketthrough(1)theangle

boltwhilethehorizontalmemberisheldstationary,and

through(2)thehorizontalmemberwhiletheangleboltisheld

cketratingshallcorrespondtothelowest

failureloaddeterminedbythetestsdescribedhere.

10.13.2.1Trussbracketsusedasprimarysupportshallbe

oleatan

appropriateangletoensurethatthebracketmeetstheminimum

strengthrequirementsof10.4.

yAssuranceandInspection

11.1Iftheinspectiondescribedin11.2isrequiredbythe

purchaser,itshallbespecifiedintheinquiryandinthecontract

ororder.

11.2Manufacturersofroofandrockboltsandaccessories

shallberesponsibleforestablishingandmaintainingaquality

assuranceprogramtoensurethatallmaterialsconformtothe

appropriaterequirementsofthisspecifiufac-

turershallaffordthepurchaser’sinspectorallreasonable

facilitiesnecessarytosatisfyhimthatthematerialisbeing

producedandfurnishedinaccordancewiththisspecification.

Millinspectionbythepurchasershallnotinterfereunneces-

sarilywiththemanufacturer’tsandinspec-

tionshallbemadeattheplaceofmanufacture,unlessagreed

otherwise.

ionandRehearing

12.1Materialthatfailstoconformtotherequirementsof

thisspecifiionshallbereported

of

dissatisfactionwiththeresultsofthetest,theproduceror

suppliermaymakeclaimforarehearing.

fication

13.1Uponrequestofthepurchaserinthecontractororder,

amanufacturer’scertificationshallbefurnishedthatthe

materialwasmanufacturedandtestedinaccordancewiththis

specification.

sibility

14.1Thepartyresponsibleforthefastenershallbethe

organizationthatsuppliesthefastenertothepurchaser.

tMarking

15.1BoltheadsshallbemarkedasshowninTable8with

eitherraisedordepressedmarksattheoptionofthemanufac-

hallincludegradeanddiameteridentification

whenapplicable,manufacturer’ssymbol,andtheboltlengthin

eitherinchesorfeet(ormillimetres)asspecifiedintheorderor

contract.

15.2Frictionalanchoragedevicesshallbemarkedwith

eitherraisedordepressedmarksattheoptionofthemanufac-

ationofthemarksshallbesuchastobereadable

hallincludemodelidentification

whenapplicable,manufacturer’ssymbol,andthelengthin

eitherinchesorfeet(ormillimetres)asspecifiedintheorderor

contract.

15.3Threadedbarsandthreadedslottedbarsshallbecolor

or

shallbeappliedsuchthatitwillbevisibleforinspectionafter

installationoftheroofsupportdevice.

15.4Beveledwashers,threadedtaperedplugs,wedges,

sphericalwashers,andthreadedcouplingsarenotrequiredto

bemarked.

15.4.1Threadedtaperedplugsproducedinonlyonegrade,

asspecifiedinTable6,requirenospecialidentificationifthe

plugsareuniquelyidentifiedbythreaddiameterandplug

avingthesamethreadsizeandmanufactured

tomorethanonegraderatingshallbeidentifiedbycolor

codingorphysicalmarkingasspecifiedbythemanufacturer.

15.5Deformedbearingandheaderplatesshallbemarked

ontheexposedfacewiththemanufacturer’ssymbol.

15.6BearingandHeaderPlates:

15.6.1Bearingandheaderplatesmanufacturedtothemini-

mumgraderatinginaccordancewith7.4.1donotrequire

markingstoindicategraderating.

15.6.2Bearingandheaderplatesmanufacturedtoagrade

ratinghigherthan20000lbf(89.0kN)shallbemarkedwitha

singlenumberthatindicatestheratingdividedby10000lbf

(44.5kN).Forexample,thenumber3woulddesignatea

30000-lbf(133.5-kN)graderating.

15.7Nutsshallbemarkedinaccordancewiththespecifi-

cationtowhichtheyweremanufactured.

15.8Expansionshellsshallbemarkedwiththemanufactur-

er’ssymbolandtheholesizeforwhichtheyareintended.

TABLE8Markings

A,B

TABLE9ColorCodesforThreadedBarandThreadedSlotted

Bars

Length,in.(ft.,mm)

30

36

42

48

60

72

84

96

Color

Purple

Yellow

Green

NoColor

Red

Blue

Orange

White

15.9Eachhardenedwashershallbemarkedwithasymbol

washersmaycontain

gsshallbedepressedononefaceof

thewasher.

15.9.1Otheridentifyingordistinguishingmarks,orboth,

maybeusedbythemanufacturer.

15.10Extensionsarenotrequiredtobemarked.

15.11TrussbracketsshallbemarkedasshowninTable8.

Markingsshallincludethemanufacturer’ssymbolandthe

graderatingasdeterminedbythetestinaccordancewith

deidentificationshallconsistofasingle

numberthatindicatesthegraderatingdividedby10000lbf

(44.5kN).Forexample,thenumber3woulddesignatea

30000-lbf(133.5-kN)graderating.

15.12Formableanchortubecontainerwillbemarkedwith

nominalformableanchortubelength,barorboltdiameter,wall

thickness,weightperinch,andholediameterwithwhichtube

istobeused.

15.12.1Colorcodingofformableanchortubesformines

usingmorethanonebarorboltdiametershallbeestablished

bythemanufacturer.

ds

16.1bolts,roofandrockandaccessories;rockbolts;roof

bolts

ANNEXES

(MandatoryInformation)

-SITETESTINGTODETERMINEEFFECTIVENESSOFROOFSUPPORTDEVICES

A1.1Thesuitabilityofroofandrockboltsandaccessories

forspecificapplicationsinundergroundminesdependsupon

theparticulargroundandrockconditionsatthesiteofintended

sreason,itmaybenecessarytoperformappropriate

testsattheactualsiteofintendedusetoevaluatetheeffective-

nessoftheroofsupportdevices.

A1.2Byagreement,thesupplierandthepurchaserwill

determinetheappropriateteststoevaluatethemeritsofany

specificroofsupportdeviceonsite.

DEFORMEDBARS

A2.1Threaddeformedbarsaresteelbarsthathavea

continuoushot-rolledpatternofthreadlikedeformationsalong

theirentirelengththatallownutsandcouplerstothreadonto

thebaratanypoint.

A2.2Threaddeformedbarsshallbemanufacturedin

compliancewiththechemicalandmechanicalpropertyre-

quirementsofSpecificationA615/A615M,Grade60.

A2.3Threaddeformedbarsshallbeidentifiableinregardto

theirmanufacturer.

N

OTE

A2.1—Duetothemanufacturingprocess,markingstodesignate

size,minimumyield,andtypeofsteelarenotrequired.

haveinternalthreadsofsufficientstrengthtodevelopthe

ultimatetensilestrengthofthebarwithwhichtheyareused.

ThesenutsshallbemarkedwiththeletterT.

A2.7Yieldablenutsforusewiththreaddeformedbarsshall

bedesignedtoyieldinincrementaldisplacementsalongthe

barsatpredeterminedboltloadstoallowforrockdeformations

undercontrolledsupportconditions.

A2.7.1Standardyieldableanchornutsshalldevelopatleast

125%ofthespecifiedminimumyieldstrengthofthebarswith

ngthidentificationmarkingis

required.

A2.7.2Yieldableslipnutsdesignedtoslipatloadslessthan

125%ofthespecifi

percentageshallbemarkedonthenut.

A2.8Couplingsusedwiththreaddeformedbarsshall

conformto7.6.

A2.9Testmethodsandmarkingsforthreaddeformedbars

shallbeconsistentwiththeintendeduseofthebarsin

accordancewiththeappropriatesectionsofthisspecification.

A2.4Theeffectivestressareaofthreaddeformedbarsshall

beequaltothenominalareaofthebar.

A2.5Thedimensionsofthethreadlikedeformationsalong

thebarshallbeadequatetodevelop,whenengagedwitha

tensionnutorcouplerofthedesignatedsize,theultimate

strengthofthethreaddeformedbar.

A2.6Tensionnutsforusewiththreaddeformedbarsshall

ALGROUTINGMATERIALS

A3.1StrengthIndexforChemicalGroutingMaterials

A3.1.1Thisisalaboratorytestformeasuringthestrength

engthindexisa

numericaldesignationrangingfrom1to10thatrepresentsthe

loadintonsthatcanbesupportedbyachemicalanchorwith

ovementwhentestedasoutlinedin

tintendedtoreflectactualin-mine

performanceorreplaceappropriateminetestsinaccordance

withA1.1.

No.1isaNo.6thread-deformed,reinforcingbarasdescribed

diameter(I.D.)by

1

1

⁄

2

-ediameter(O.D.)steeltubewith27by3internal

.3isafullygrouted,void-free,cured

chemicalanchor.

N

OTE

A3.1—Itisrequiredthatthetestsectionbecutfromalarge

outcartridge

gthofthread-deformedbarusedmustbe

sufficienttoallowattachmentoftheloadingapparatus(seeFig.A3.1)to

ouldbetakentoensurethatthetestsectionis

completelygroutedandvoidfreethroughout.

A3.1.3PreparationofTestSection

izeallcomponentsatasingle

temperaturebetween50and80°cimenshallbe

preparedbyplacingthegroutcartridgeintothethreadedtube,

insertingthebarandrotatingthebarclockwiseinaccordance

withthechemicalgroutmanufacturer’sinstallationinstruc-

cimenshallbecuredfor24hbeforecuttingthe

testsection.

A3.1.4TestApparatus

Hydraulicramwithhollowcenterlargeenoughtoaccept

bar,manualhydraulicpumpwithaconnectinghoseandgage,

andadialindicatorthatmeasuresmovementtoonethousandth

ofaninch.

A3.1.5TestProcedure

AsshowninFig.A3.1,assemblethetestsectionintothe

fithedialindicatortothesteel

tubetoindicatemovementofthecutendofthebarwithrespect

tothetube.

A3.1.6Manuallyapplyloadtothetestsectionwiththe

hydraulicraminincrementsof1to10-tonsmaximumload.

FIG.A3.1ChemicalGroutingStrengthIndexTextApparatus

Eachincrementofloadshallbestabilizedforaperiodof1min

mentexceeds0.100

in.,terminatethetest.

N

OTE

A3.2—Donotexceed10tonsduetoboltstretchandsafety

considerations.

A3.1.7NumberofTests

Aminimumoffipercentmust

achievethestrengthindex.

A3.2SpeedIndex

A3.2.1Thisisalaboratorytesttodeterminethespeedindex

edindexindicatesthe

timeinsecondsfromcompletionofmixinguntilananchorage

levelof4000lbisachievedwhentestedinaccordancewiththis

ormulationsshallbeidentifiedinaccordance

withthespeedindexclassificationsystemofTableA3.1.

N

OTE

A3.3—Mineandinstallationconditionssuchastemperatures,

annulussize,boltlength,androtationalspeedswilleffectresults.

se

izeallcomponentsat55

to60°steeltubeontothebaseplatestudandposition

hehollow

the

No.6hexnutandtheheadedblindnutontothethread

deformedreinforcingbarsothatthetwonutsarelocked.

N

OTE

A3.4—Thethreaddeformedreinforcingbarmustbelongenough

toensurea12-in.(+

1

⁄

2

,−0)groutedlength.

A3.2.1.2Placeasampleofgroutofsufficientvolumeto

encapsulatea12-in.(+½,−0)longsectionofNo.6thread

thebar

(withnutsattached)throughthegroutin5sorless(rotating

throughthegroutisoptional).Immediatelyspinthebar

clockwiseataspeedbetween400and500r/mintomixthe

timingforspeedindexdeterminationattheconclusionof

mixingandallowthegrouttocurefortheperiodoftimein

secondslistedinTableA3.1correspondingtothespeedindex

ecuretimehaselapsed,

evelof4000lb

mustbeachievedwithin3softhestartofload-

ing.

A3.3CartridgeEquivalentLengthRequirements

A3.3.1Cartridgesofchemicalgroutingmaterialsshallcon-

tainsufficientvolumetofilltheannulusbetweentheboltand

TABLEA3.1SpeedIndexClassification

SpeedIndexMaximum

A

CureTime,s

1515

3030

6060

240240

600600

1000>600

A

Toachieve4000-lbtestload(seeA3.2.1.1).

FIG.A3.2SpeedIndexTestApparatus

boreholewallasspecifiumewillbe

identifiedbyanequivalentlengthdesignation(ft)indicating

thelengthofboreholegroutedbythecartridgeforthenominal

bolt/boreholecombinationused.

A3.3.2Minimumcartridgevolumesrequiredforspecified

equivalentlengthdesignationsshallbecalculatedbyusingthe

followingequationwheretheequivalentlength(EL)isequalto

theboltlength:

Vg5Vh2Vb

where

Vg=requiredgroutvolume,in.

3

,

Vh=boreholevolume,in.

3

,and

Vb=boltvolume,in.

3

.

Theboreholevolumeshallbecalculatedbyusingthe

following:

BoreholeDiameter=NominalDiameter+0.043in.

BoreholeLength=BoltLength+1in.

Theboltvolumeshallbebasedonnominalreinforcingbar

crosssectionsinaccordancewithSpecificationA615/A615M.

N

OTE

A3.5—Whenboltswithcross-sectionalareasdifferentfromthose

specifiedinSpecificationA615/A615Mareused,adjustmentstothe

calculatedequivalentlengthmaybenecessary.

A3.4GroutApplicationClass

A3.4.1Chemicalgroutingmaterialsshallbeassigneda

classdesignationtoindicaterecommendedproductapplica-

tion.

A3.4.1.1Chemicalgroutingmaterialsforuseinfully

groutedorpartiallygroutednontensionedapplicationsshallbe

designatedasClassI.

A3.4.1.2Chemicalgroutingmaterialsusedtosupplement

mechanicalanchoragedevicesshallbedesignatedasClassII.

A3.4.1.3Chemicalgroutingmaterialsusedtoprovidean-

chorage(chemicalanchoronly)fortensionedboltsshallbe

designatedasClassIII.

A3.4.2Chemicalgroutingmaterialsservingmorethanone

applicationclassmaybeassignedamultipleclassdesignation

(thatis,ClassI,III).

A3.5ProductMarking

A3.5.1Cartridgesofchemicalgroutingmaterialsarenot

nersofchemicalgroutingcar-

tridgesshallbelabeledtoprovidethefollowinginformation:

A3.5.1.1Containerlabelsshallprovidegeneralproduct

informationincludingmanufacturer,formulationdesignation,

andnumberofcartridgesinthecontainerasshipped.

A3.5.1.2Containerlabelsshallprovidenominalsystemdata

includingrecommendedholediameter,boltdiameter,and

cartridgeequivalentfootage(seeA3.3).Labelsmaylistmore

thanonehole/bolt/ationifmultipleproductap-

plicationsarepossible.

A3.5.1.3Containerlabelsshallprovidestandarddatain-

cludingcartridgelengthanddiameter,speedindex(seeA3.2),

applicationclass(seeA3.4),and“useby(date).”

A3.5.1.4Nominalinstallationdataincludingrecommended

mixtime(seconds)andmixingspeed(r/min)shallbeincluded

on,orwithin,thecontainer.

A3.5.1.5Strengthindexshallbeplacedonthecontainer

label,withinthecontainer,orinthemanufacturers’literature.

APPENDIXES

(NonmandatoryInformation)

INGAPPROPRIATEGRADERATINGFORBEARINGPLATESANDHEADERPLATES

X1.1Theestablishmentofgradeincrementsforbearing

platesandheaderplatesdescribedin7.4.1enablesthepur-

chasertoselecttheappropriaterelationshipbetweenthe

performancecharacteristicsoftheboltsandplatesthatis

effectivefortheparticularrockandgroundconditionsatthe

siteofintendeduse.

X1.2Afterdeterminingthedesiredrelationshipbetween

thegraderatingoftheplateandtheminimumyieldloadforthe

gradeanddiameterofthebolt,thepurchasercanorderunder

thisspecificationanappropriategraderatingforthebearing

plateorheaderplate.

IONSHELLTYPES

first

typeisself-supportingbysomemeansintegraltotheshell,

ondtyperequiressupporttoremainin

pemayuse

supportsuchasspecialnutsonthethreadorplasticsleeves,

upport

devices(bail,supportnuts,etc.)shouldbeofaspecialdesign

thatiscapableofsupportingtheshellduringinstallationbut

shouldnotinterferewiththepropertensioningoftheboltafter

theshellisanchored.

SUMMARYOFCHANGES

CommitteeF16hasidentifiedthelocationofselectedchangestothisstandardsincethelastissue,F432–95

(2001),thatmayimpacttheuseofthisstandard.(ApprovedAug.1,2004).

(1)RevisedSection14,Responsibility.

ASTMInternationaltakesnopositionrespectingthevalidityofanypatentrightsassertedinconnectionwithanyitemmentioned

fthisstandardareexpresslyadvisedthatdeterminationofthevalidityofanysuchpatentrights,andtherisk

ofinfringementofsuchrights,areentirelytheirownresponsibility.

Thisstandardissubjecttorevisionatanytimebytheresponsibletechnicalcommitteeandmustbereviewedeveryfiveyearsand

ifnotrevised,mmentsareinvitedeitherforrevisionofthisstandardorforadditionalstandards

mmentswillreceivecarefulconsiderationatameetingofthe

responsibletechnicalcommittee,eelthatyourcommentshavenotreceivedafairhearingyoushould

makeyourviewsknowntotheASTMCommitteeonStandards,attheaddressshownbelow.

ThisstandardiscopyrightedbyASTMInternational,100BarrHarborDrive,POBoxC700,WestConshohocken,PA19428-2959,

dualreprints(singleormultiplecopies)ofthisstandardmaybeobtainedbycontactingASTMattheabove

addressorat610-832-9585(phone),610-832-9555(fax),orservice@(e-mail);orthroughtheASTMwebsite

().