1 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 ....................................................................................... 6 5 .1 、沟槽开挖边坡支护设计 .......................................................................... 6 5 .2 、沟槽土方开挖 ........................................................................................ 1 0 5 .3 、槽钢支护施工 ........................................................................................ 1 1 5 .4 、拉森钢板桩支护施工 ............................................................................ 1 1 5 .4 .1 、施工流程 ..................................................................................... 1 1 5 .4 .2 、施工工艺 ..................................................................................... 1 1 5 .5 、沟槽降水 ................................................................................................ 1 7 5 .6 、沟槽开挖施工要求 ................................................................................ 1 7 5 .7 、管道基础 ................................................................................................ 1 8 5 .8 、管道铺设和接口施工 ............................................................................ 1 8 5 .9 、检查井施工 .........................................................................
