【正文】 ...... 7 安全生產(chǎn)目標(biāo) ...................................................................................... 7 工期目標(biāo) .............................................................................................. 8 環(huán)境保護(hù)目標(biāo) ...................................................................................... 8 ....................................................................................... 8 施工組織機(jī)構(gòu)及架子隊(duì)部署 ......................................................................... 8 施工組織機(jī)構(gòu)及職責(zé)分工 .................................................................. 8 施工準(zhǔn)備 ....................................................................................................... 14 施工便道 ............................................................................................ 14 洞口場(chǎng)地布置 .................................................................................... 14 機(jī)械設(shè)備及人員配置 ........................................................................ 14 4 施工方案 ......................................................... 16 施工方法 ....................................................................................................... 16 施工裝備 ....................................................................................................... 16 勞動(dòng)力配置 ................................................................................................... 16 施工作業(yè)組織方式 ....................................................................................... 17 工期安排 ....................................................................................................... 17 1 中 鐵 十 二 局 集 團(tuán) 滬 昆 客 專 長(zhǎng) 昆 湖 南 段 第 一 項(xiàng) 目 分 部 半山隧道 1橫洞施工方案 主要工效指標(biāo) .................................................................................... 17 施工進(jìn)度及工期 ................................................................................ 17 5 專項(xiàng)施工方案 ..................................................... 19 進(jìn)洞施工方案 ............................................................................................. 19 邊仰坡開(kāi)挖及防護(hù) ............................................................................ 19 管棚套拱施工 .................................................................................... 19 長(zhǎng)管棚施工 ........................................................................................ 19 開(kāi)挖方法 ....................................................................................................... 22 初期支護(hù) ....................................................................................................... 27 系統(tǒng)錨桿 .............................................................................................. 28 鋼筋網(wǎng) .................................................................................................. 30 格柵鋼架 .............................................................................................. 30 模筑襯砌 ........................................................................................................ 33 模筑襯砌施工方法 .............................................................................. 33 質(zhì)量保證技術(shù)措施 .............................................................................. 36 防排水 ............................................................................................................ 36 技術(shù)措施 .............................................................................................. 36 質(zhì)量保證技術(shù)措施 .............................................................................. 36 施工測(cè)量 ....................................................................................................... 37 控制測(cè)量 ............................................................................................ 37 施工測(cè)量 .............................................................................................. 37 監(jiān)控量測(cè) .............................................................................................. 38 超前地質(zhì)預(yù)測(cè)預(yù)報(bào) ....................................................................................... 38 6 保證措施 ......................................................... 40 ................................................................................................ 40 ..................................................................................... 40 ............................................................................. 40 ................................................................. 40 ..................................................................................... 46 通病的措施 ............................................................. 50 2 中 鐵 十 二 局 集 團(tuán) 滬 昆 客 專 長(zhǎng) 昆 湖 南 段 第 一 項(xiàng) 目 分 部 半山隧道 1橫洞施工方案 ................................................................................................ 50 標(biāo) ............................................................................................. 50 ............................................................................. 51 .......................................