地铁暗挖区间隧道施工方案.docx

区间隧道施工方案目录一、编制依据·············································1二、工程概况·············································1三、工程地质与水文地质··································23.1地质、地貌··········································23.2地层岩性············································23.3地质构造及地震烈度··································33.4水文地质条件········································3四、施工条件·············································44.1既有道路············································44.2水电设施············································44.3通讯条件············································44.4通风条件············································54.5供风系统············································5五、施工准备·············································55.1技术准备············································55.2施工机械设备配备····································5六、横通道转正洞交叉口施工技术措施·······················6七、区间隧道施工方案·····································77.1台阶法开挖施工方法··································77.2CRD法开挖施工方法··································107.3CD法开挖施工方法···································117.4双侧壁导坑法开挖施工方法···························117.5开挖施工方法的转换·································13八、区间隧道超前支护····································148.1超前小导管施工工艺·································148.2超前药卷锚杆·······································158.3初支施工要点技术措施·······························16九、区间正线防水施工····································169.1一般区间工程防水措施·······························169.2钢筋混凝土结构自防水·······························179.3暗挖隧道的复合防水施工·····························17十、区间正线二衬施工···········`·······················2010.1二衬施工方案······································2010.2区间隧道变形缝····································2110.3暗挖区间施工缝····································22十一、隧道二衬背后的防水措施····························2411.1变形缝防水施工····································2411.2施工缝防水施工····································2411.3后浇带的防水施工··································24十二、区间隧道施工运输组织······························25十三、区间隧道内施工动力设置····························251