主通道开挖初支安全专项施工方案2021年word（117页）VIP免费

目 录1 工程概况....................................................................................................11.1 工程建设概况.....................................................................................11.2 设计要求及支护参数............................................................................11.3 周边环境及地下建构筑物情况...............................................................61.4 隧道地质条件.....................................................................................81.5 施工现场平面布置.............................................................................121.6 施工要求和技术保证条件....................................................................132 编制依据..................................................................................................152.1 编制依据..........................................................................................152.2 编制原则..........................................................................................172.3 编制范围..........................................................................................183 施工计划..................................................................................................193.1 施工进度计划...................................................................................193.2 机械设备计划...................................................................................203.3 主要材料供应计划.............................................................................224 施工工艺技术............................................................................................244.1 施工工艺流程及施工技术参数.............................................................244.2 超前支护..........................................................................................264.3 隧道开挖步序....................................................................................294.4 隧道开挖、出渣.............