220kV浔峰输变电工程中铁隧道集团有限公司明挖隧道施工专项方案220kV浔峰输变电工程施工项目部2016年10月26日目录第一章编制依据.......................................................................................................................3第二章工程概况.......................................................................................................................41、工程位置...........................................................................................................................................42、设计概况...........................................................................................................................................53、地质情况...........................................................................................................................................74、周边环境情况...................................................................................................................................85、交通情况...........................................................................................................................................9第三章施工部署.....................................................................................................................11第一节总体施工思路及流程.........................................................111、总体思路.....................................................................112、总体施工流程.................................................................11第二节主要施工方法...............................................................13第三节施工平面布置...............................................................131、场地布置.....................................................................132、临时水电.....................................................................14第四节施工进度安排...............................................................14第五节资源配置...................................................................151、主要劳动力投入...............................................................152、主要机械设备配备.............................................................163、主要材料.....................................................................16第四章主要施工方法及措施..................................................................................................18第一节拉森钢板桩施工.............................................................181、概述.........................................................................182、施工工艺.....................................................................183、施工方法说明.................................................................18第二节水泥土搅拌桩施工...........................................................211、施工工艺流程.................................................................212、施工方法说明.................................................................21第三节基坑开挖...................................................................22第四节支撑体系施工...............................................................25第五节明挖隧道结构施工...........................................................261、概述.........................................................................262、接地系统施工........................................
