【正文】 .............................. 5 工程重難點(diǎn)分析及主要對(duì)策 .................................................................................................................. 6 ...............................................................................................................7 風(fēng)險(xiǎn)識(shí)別 ................................................................................................................................................... 7 風(fēng)險(xiǎn)分析 ................................................................................................................................................... 7 暗挖隧道上方既有管線風(fēng)險(xiǎn) ..................................................................................................... 7 通道暗挖風(fēng)險(xiǎn) .............................................................................................................................. 7 吊裝作業(yè)風(fēng)險(xiǎn) .............................................................................................................................. 7 馬頭門施工風(fēng)險(xiǎn) .......................................................................................................................... 8 .........................................................................................................................8 施工總體目標(biāo) ........................................................................................................................................... 8 施工組織機(jī)構(gòu) ........................................................................................................................................... 8 施工安排及進(jìn)度計(jì)劃 ............................................................................................................................. 12 總體施工安排 ............................................................................................................................ 12 施工進(jìn)度計(jì)劃 ............................................................................................................................ 12 工期保證措施 ............................................................................................................................ 12 東林二路、致力五路市政工程 【電力隧道（暗挖）工程施工方案】 2 施工準(zhǔn)備 ................................................................................................................................................. 14 技術(shù)準(zhǔn)備和資料準(zhǔn)備 ............................................................................................................... 14 資源配置 .................................................................................................................................... 15 施工現(xiàn)場準(zhǔn)備 ............................................................................................................................ 17 臨時(shí)交通組織 ............................................................................................................................ 18 ...................................................................................................... 18 降水施工 ................................................................................................................................................. 18 降水目的 .................................................................................................................................... 18 降水方案設(shè)計(jì)原則 .................................................................................................................... 19 降水井深度計(jì)算 ........................................................................................................................ 19 基坑降水計(jì)算 ............................................................................................................................ 19 降水井井點(diǎn)布置 ........................................................................................................................ 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 洞身開挖 ......................................................