目录工程概况......................................................................3第一节编制依据.........................................................3第一节工程范围及工程数量...............................................3第一节工程地质条件.....................................................3第一节隧道设计.........................................................4第一节隧道施工环境.....................................................6现场的施工现状................................................................6施工总体安排及施工方案........................................................7第一节止水帷幕施工.....................................................7第一节B 断面端头加固袖阀管施工..........................................8第一节地表管线加固施工.................................................9第一节对元岗大桥桥基临时加固的预备措施.................................9第一节管棚施工.........................................................9第一节加强地面监测，实行信息化施工....................................10第一节A、B 断面隧道施工................................................11第一节施工总平面布置图和洞内开挖示意图................................21主要的施工工艺...............................................................21第一节喷射混凝土......................................................21第一节钢筋网安设......................................................22第一节格栅拱架加工与架立..............................................22第一节超前小导管、注浆小导管和锁脚锚管施工............................23第一节防水层施工......................................................27第一节仰拱施工........................................................28第一节二次衬砌施工....................................................29第一节衬砌背后注浆....................................................30第一节进洞 3m 前的井点降水.............................................31工程测量与监控量测...........................................................32第一节...
