【正文】 ...................................................................................................... 20 .................................................................................................................................. 20 降水井施工 ................................................................................................................................ 20 降水施工保證措施 .................................................................................................................... 22 排水施工 .................................................................................................................................... 22 豎井及馬頭門(mén)施工 ................................................................................................................................. 22 豎井施工 .................................................................................................................................... 23 .............................................................................................................................. 24 豎井頂板及回填施工 ............................................................................................................... 25 滿堂碗扣支架布 置及搭設(shè) ................................................................................................. 25 ............................................................................................. 26 模板施工 .............................................................................................................................. 27 鋼筋安裝 .............................................................................................................................. 28 混凝土施工 .......................................................................................................................... 28 土方回填 .............................................................................................................................. 28 隧道標(biāo)準(zhǔn)段施工 ..................................................................................................................................... 28 洞身開(kāi)挖 .................................................................................................................................... 29 隧道內(nèi)運(yùn)輸組織 ........................................................................................................................ 29 東林二路、致力五路市政工程 【電力隧道（暗挖）工程施工方案】 3 超前支護(hù) .................................................................................................................................... 30 初期支護(hù) .................................................................................................................................... 30 初支背后注漿 ............................................................................................................................ 33 防水層施工 ................................................................................................................................ 33 二襯結(jié)構(gòu)施工 ............................................................................................................................ 34 5. 二襯襯背注漿 .......................................................................................................................... 36 風(fēng)孔及人孔施工 ..................................................................................................................................... 37 電氣工程及其它工程 ............................................................................................................................. 37 ............................................................................................................................. 37 施工測(cè)量 ................................................................................................................................................. 37 測(cè)量方案 .................................................................................................................................... 37 施工控制測(cè)量 ............................................................................................................................ 38 測(cè)量技術(shù)保證措施 ................................................................................................................... 40 施工監(jiān)測(cè) ................................................................................................................................................. 41 ................................................................................................................... 44 穿越三環(huán)路底及成綿底層樁基保護(hù) 措施 ........................................................................................... 44 軟基換填 ................................................................................................................................................. 44 明暗交接處施工 ..................................................................................................................................... 44 管線保護(hù)方案 ......................................................................................................................................... 45 ......................................................................................................... 45 冬季施工措施 ........................................................................................................................................ 45 雨季施工措施 ........................................................................................................................................ 46 夜間施工措施 ........................................................................................................................................ 47 ................................................................................................................ 47 質(zhì)量保證體系 ............................................................................