基坑开挖安全专项施工方案-图文.doc

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基坑开挖安全专项施工方案-图文

目录
第一章编制依据...............................................................................................3第二章工程概况.................................................................................................4
2.1.工程概况.....................................................................................................................42.2.周边环境.....................................................................................................................42.3.场内工程地质条件.....................................................................................................42.4.场内水文特征.............................................................................................................62.5.防渗帷幕布置情况.....................................................................................................72.6.施工降排水措施.........................................................................................................82.7.开挖施工要求.............................................................................................................9
第三章施工总平面布置...................................................................................11
3.1.概述...........................................................................................................................113.2.基坑开挖特点...........................................................................................................113.3整体布局....................................................................................................................113.4施工便道布置............................................................................................................143.5基坑内排水沟布置....................................................................................................14
第四章施工工艺...............................................................................................15
4.1.工艺流程..................................................................................................