【正文】 ........................................................ 25 .....................................................................................25 .....................................................................................25 注漿加固的范圍 ................................................................................................ 25 注漿參數(shù) ............................................................................................................ 26 注漿材料 ............................................................................................................ 27 鉆孔參數(shù)設計 .................................................................................................... 28 注漿效果檢測手段 ............................................................................................ 28 施工步驟 ............................................................................................................ 28 北京地鐵六號線二期十三標項目經理部 新玉區(qū)間 暗挖隧道 專項施工方案 技術保證措施 .................................................................................................... 29 第七章 施工方法 .......................................................................................... 30 ......................................................................30 ..........................................................................31 總體進洞施工方案 ............................................................................................ 31 破樁進洞施工方法 ............................................................................................ 32 破樁進洞過渡段的施工方法 ............................................................................ 33 破樁施工時注意事項 ........................................................................................ 34 ..................................................................................35 超前小導管施工參數(shù)及工藝流程 .................................................................... 35 小導管加工與制作 ............................................................................................ 35 小導管注漿 ........................................................................................................ 36 .............................................................................................39 土方開挖總體施工方案 .................................................................................... 39 臺階法開挖方法 ................................................................................................ 39 土方開挖技術措施 ............................................................................................ 41 土方開挖注意事項 ............................................................................................ 42 ......................................................................43 鋼格柵的加工 .................................................................................................... 43 鋼拱架的運輸 .................................................................................................... 45 格柵安裝 ............................................................................................................ 45 格柵加工、安裝主要技術要求 ........................................................................ 48 施工注意事項 .................................................................................................... 48 ..................................................................................48 噴射砼原材料及混凝土的拌制 ........................................................................ 48 噴砼方法 ............................................................................................................ 49 噴砼施工要點及注意事項 ................................................................................ 50 北京地鐵六號線二期十三標項目經理部 新玉區(qū)間 暗挖隧道 專項施工方案 .....................................................................................51 .............................................................................................51 ......................................................................52 .....................................................................................52 二次襯砌施工方法 ............................................................................52 砼襯砌施工工藝 .............................................................................................. 52 砼施工 .............................................................................................................. 53 鋼筋制作安裝 .................................................................................................. 56 襯砌施工技術保證措施 .................................................................................. 58 二襯背后注漿 .................................................................................................. 59 第八章 工程風險應對措施 ........................................................................... 59 ..........................................................................59 ..............................................................................60 ......................................................................60 第九章 暗挖區(qū)間監(jiān)控量測方法 ................................................................... 60 .............................................................................................60 .............................................................................................60 ..............................................................................60 .....................................................................................65 .............................................................................................65 .............................................................................................67 ....................................................................