2024年6月13日发(作者：将颐真)
目录
第三章土石方明挖施工....................................................1
第一节概述.........................................................1
1.土石方明挖施工范围..............................................1
2土石方明挖施工的特点............................................1
3.制定明挖施工方案的原则..........................................2
4.土石方明挖的施工程序及方法......................................2
第二节土方开挖施工..................................................5
1.施工方法........................................................5
1.1一般要求..................................................5
1.2主要土方开挖机械作业方法..................................5
2.土质边坡开挖....................................................9
2.1边坡分类..................................................9
2.2边坡坡比选定.............................................10
2.3边坡开挖.................................................10
2.4边坡支护.................................................10
3.坑槽开挖.......................................................11
4.开挖施工的排水与降水...........................................11
4.1排水方法.................................................11
4.2降水方法.................................................13
5．开挖工程特殊土问题的处理......................................20
5.1流砂处理常用的方法.......................................20
5.2.砂土液化处理.............................................20
5.3软基开挖.................................................21
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5.4冻土开挖.................................................22
第三节石方开挖施工.................................................23
1.坝基开挖.......................................................23
1.1坝基开挖的施工内容.......................................23
1.2坝基开挖程序.............................................24
1.3坝基开挖方式.............................................25
1.4保护层开挖施工...........................................26
1.5工程实例.................................................30
2.边坡开挖.......................................................33
2.1岸坡分类.................................................33
2.2边坡开挖程序.............................................33
2.3边坡开挖方法.............................................33
2.4边坡支护与监测...........................................34
3.溢洪道和渠道开挖...............................................34
3.1开挖程序.................................................34
3.2开挖方式.................................................34
3.3工程实例.................................................35
第四节施工布置.....................................................39
1.施工布置原则...................................................39
2.渣场与出渣道路的布置...........................................40
2.1渣场布置.................................................40
2.2出渣道路布置.............................................41
3.风水电系统布置.................................................42
3.1施工供风.................................................42
3.2施工供水.................................................45
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2024年6月13日发(作者：将颐真)
目录
第三章土石方明挖施工....................................................1
第一节概述.........................................................1
1.土石方明挖施工范围..............................................1
2土石方明挖施工的特点............................................1
3.制定明挖施工方案的原则..........................................2
4.土石方明挖的施工程序及方法......................................2
第二节土方开挖施工..................................................5
1.施工方法........................................................5
1.1一般要求..................................................5
1.2主要土方开挖机械作业方法..................................5
2.土质边坡开挖....................................................9
2.1边坡分类..................................................9
2.2边坡坡比选定.............................................10
2.3边坡开挖.................................................10
2.4边坡支护.................................................10
3.坑槽开挖.......................................................11
4.开挖施工的排水与降水...........................................11
4.1排水方法.................................................11
4.2降水方法.................................................13
5．开挖工程特殊土问题的处理......................................20
5.1流砂处理常用的方法.......................................20
5.2.砂土液化处理.............................................20
5.3软基开挖.................................................21
1
5.4冻土开挖.................................................22
第三节石方开挖施工.................................................23
1.坝基开挖.......................................................23
1.1坝基开挖的施工内容.......................................23
1.2坝基开挖程序.............................................24
1.3坝基开挖方式.............................................25
1.4保护层开挖施工...........................................26
1.5工程实例.................................................30
2.边坡开挖.......................................................33
2.1岸坡分类.................................................33
2.2边坡开挖程序.............................................33
2.3边坡开挖方法.............................................33
2.4边坡支护与监测...........................................34
3.溢洪道和渠道开挖...............................................34
3.1开挖程序.................................................34
3.2开挖方式.................................................34
3.3工程实例.................................................35
第四节施工布置.....................................................39
1.施工布置原则...................................................39
2.渣场与出渣道路的布置...........................................40
2.1渣场布置.................................................40
2.2出渣道路布置.............................................41
3.风水电系统布置.................................................42
3.1施工供风.................................................42
3.2施工供水.................................................45
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