郑州市轨道交通2号线一期工程土建施工**3号出入口暗挖段专项施工方案编制：审核：审批：郑州市轨道交通2号线一期工程土建施工02工区第一项目部1.编制说明..................................................................51.1编制依据...............................................................51.2编制范围...............................................................51.3编制原则...............................................................52.工程概况..................................................................62.1站址环境...............................................................62.2工程地质及水纹地质条件.................................................72.3工程地质条件评价.......................................................72.4结构设计情况...........................................................72.4.1断面设计...........................................................72.4.2结构设计...........................................................92.5暗挖段管线情况及保护措施..............................................102.6主要工程量............................................................123.施工计划.................................................................123.1施工组织管理机构......................................................123.2施工现场平面布置......................................................133.3施工进度计划安排......................................................133.4劳动力计划............................................................143.5施工机械设备配置......................................................144.施工方法与技术措施.......................................................154.1初期支护施工..........................................................154.1.1初期支护施工组织..................................................154.1.2初期支护施工工艺流程..............................................164.1.3超前支护..........................................................164.1.4隧道开挖..........................................................184.1.5钢格栅制作与安装..................................................204.1.6喷射混凝土........................................................214.1.7锁脚锚管注浆......................................................224.1.8初期支护背后回填注浆..............................................224.1.9初期支护施工重难点及控制措施......................................224.2防水施工..............................................................234.2.1防水层施工........................................................234.2.2钢筋混凝土结构自防水..............................................234.2.3特殊部位防水......................................................244.3二次衬砌施工..........................................................254.3.1二次衬砌施工步序..................................................254.3.2二次衬砌钢筋制作安装..............................................264.3.3二次衬砌模板施工..................................................274.3.4二次衬砌混凝土施工................................................304.3.5二次回填注浆......................................................314.3.6施工缝注浆........................................................334.3.7中隔壁及临时仰拱拆除..............................................334.4施工监测与测量........................................................344.4.1...
