【正文】 ............ 6 降水工作量 ........................................................................................................................... 6 挖土工作量 ........................................................................................................................... 6 第二部分 施工總體部署 ........................................................................................................... 6 ............................................................................................................................... 6 施工部署 .............................................................................................................................. 6 施工流程 .............................................................................................................................. 7 ...................................................................................................... 7 質(zhì)量目標(biāo) .............................................................................................................................. 7 安全目標(biāo) .............................................................................................................................. 7 工期目標(biāo) .............................................................................................................................. 7 文明施工目標(biāo) ....................................................................................................................... 7 質(zhì)量、職業(yè)健康安全、環(huán)境管理體系 .................................................................................... 7 ............................................................................................................. 8 組織機構(gòu) .............................................................................................................................. 8 勞動力安排 ........................................................................................................................... 8 施工進度計劃 ....................................................................................................................... 9 .................................................................................................................................... 10 第三部分 主要施工方案 .......................................................................................................... 11 難點及特點 ......................................................................................................................... 11 .................................................................................................................................... 11 .................................................................................................................................... 11 圍護方案簡介 ...................................................................................................................... 11 施工準(zhǔn)備 ............................................................................................................................. 12 三軸水泥土攪拌樁 ............................................................................................................... 13 SMW工法施工 ...................................................................................................................... 16 鉆孔灌注樁、立柱樁施工 .................................................................................................... 17 雙軸水泥土攪拌樁 .............................................................................................................. 21 壓密注漿施工 ..................................................................................................................... 24 .................................................................................................................................... 25 降水目的 ............................................................................................................................ 25 降水平面布置 ..................................................................................................................... 25 降水施工方案 ..................................................................................................................... 25 降水施工質(zhì)量保證措施 ....................................................................................................... 26 .................................................................................................................................... 27 基坑土方開挖原則 .............................................................................................................. 27 施工構(gòu)想 ............................................................................................................................ 28 施工流程 ............................................................................................................................ 28 挖土方案 ............................................................................................................................ 28 主要技術(shù)措施 ..................................................................................................................... 29 土方開挖階段排水措施 ....................................................................................................... 29 土方開挖時管線、工程樁保護措施 ...................................................................................... 30 ................................................................................................................... 30 施工工藝流程 ..................................................................................................................... 30 鋼筋混凝土支撐施工工藝 .................................................................................................... 30 鋼筋混凝土支撐拆除工序 ..........................