【正文】 ...........................................................27 防水原則 ............................................................................................................................................27 2 出入口通道防水標準 .......................................................................................................................27 暗挖通道的復(fù)合襯砌防水施工 ......................................................................................................28 二次襯砌 ................................................................................................................................................31 襯砌臺車設(shè)計 ...................................................................................................................................31 二次襯砌施工施工 ...........................................................................................................................32 主要施工工藝 ........................................................................................................................................32 錨管施工工藝 ...................................................................................................................................32 超前小導(dǎo)管施工工藝 ......................................................................................................................33 洞口長管棚施工 ...............................................................................................................................34 鋼架施工工藝 ...................................................................................................................................35 噴射混凝土施工工藝 .......................................................................................................................36 二次襯砌施工工藝 ...........................................................................................................................40 下穿 LNG 管段施工措施 .......................................................................................................................43 信息化施工監(jiān)控量測、周邊建筑物及管線保 護 ..............................................................................44 監(jiān)測目的 ................................................................................................................................................44 信息化施工組織及施工預(yù)測 ...............................................................................................................45 量測項目 ................................................................................................................................................46 量測手段及方法 ..................................................................................................................................47 地下管線監(jiān)測 .......................................................................................................................................48 量測數(shù)據(jù)整理與信息反饋 ..................................................................................................................49 有害氣體檢測 ........................................................................................................................................50 .........................................................................................................................................50 ..............................................................................................................................................50 ......................................................................................................................................50 ......................................................................................................................................51 ......................................................................................................................................51 ....................................................................................................................51 ......................................................................................................................................51 .............................................................................................................................52 ......................................................................................................................................56 ................................................................................................................................61 ......................................................................................................................................61 ......................................................................................................................................61 ..........................................................................................................................................62 安全防范重 點 .......................................................................................................................................62 安全管理保證措施 ..............................................................................................................................63 安全保證技術(shù)措施 ..............................................................................................................................65 3 隧道施工安全要點 ..............................................................................................................................65 通用要求 ............................................................................................................................................65 洞口、開挖、鑿孔施工安全要點 ..................................................................................................66 洞內(nèi)運輸安全作業(yè)要點 ...................................................................................................................66 支護、襯砌作業(yè)中