目录编制依据................................................................................................................... 2一、工程概况........................................................................................................... 2二、地质、水文情况............................................................................................... 3三、工程特点........................................................................................................... 5四、主要机械及设备、材料配备........................................................................... 6五、施工方案及技术措施....................................................................................... 65.1、沟槽开挖边坡支护设计.......................................................................... 65.2、沟槽土方开挖........................................................................................ 105.3、槽钢支护施工........................................................................................ 115.4、拉森钢板桩支护施工............................................................................ 115.4.1、施工流程..................................................................................... 115.4.2、施工工艺..................................................................................... 115.5、沟槽降水................................................................................................ 175.6、沟槽开挖施工要求................................................................................ 175.7、管道基础................................................................................................ 185.8、管道铺设和接口施工............................................................................ 185.9、检查井施工............................................................................................ 195.10、闭水试验.............................................................................................. 195...
