【正文】 1橫洞施工方案 目 錄 1 編制依據(jù)及原則 .................................................... 5 編制依據(jù) ......................................................................................................... 5 編制原則 ......................................................................................................... 5 2 工程概況 .......................................................... 6 工程概況 ......................................................................................................... 6 主要工程數(shù)量 ................................................................................................. 6 3 施工組織安排 ...................................................... 7 施工總 體目標(biāo) ................................................................................................. 7 總體目標(biāo) .............................................................................................. 7 標(biāo)準(zhǔn)化管理目標(biāo) .................................................................................. 7 質(zhì)量目標(biāo) .............................................................................................. 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 施工組織機構(gòu)及架子隊部署 ......................................................................... 8 施工組織機構(gòu)及職責(zé)分工 .................................................................. 8 施工準(zhǔn)備 ....................................................................................................... 14 施工便道 ............................................................................................ 14 洞口場地布置 .................................................................................... 14 機械設(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 昆 湖 南 段 第 一 項 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 專項施工方案 ..................................................... 19 進(jìn)洞施工方案 ............................................................................................. 19 邊仰坡開挖及防護(hù) ............................................................................ 19 管棚套拱施工 .................................................................................... 19 長管棚施工 ........................................................................................ 19 開挖方法 ....................................................................................................... 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 施工測量 ....................................................................................................... 37 控制測量 ............................................................................................ 37 施工測量 .............................................................................................. 37 監(jiān)控量測 .............................................................................................. 38 超前地質(zhì)預(yù)測預(yù)報 ....