中铁十八局集团有限公司CHINARAILWAY18THBUREAUGROUPCO.,LTD.沈阳市运河水系综合治理工程（新开河西段）截污工程一标段YA2竖井专项施工方案编制：审核：审批：中铁十八局集团有限公司新开河截污第一标段项目经理部二○一六年十月二十四日1、编制依据......................................................52、工程概况......................................................72.1工程简述..................................................72.2YA1、YA2号竖井概况........................................72.3工程地质..................................................82.3.1工程地质............................................82.3.2水文地质............................................92.4工程材料及支护参数.......................................103、施工质量目标.................................................104、施工总体布置及工期安排.......................................104.1总体部署.................................................104.1.1组织机构...........................................104.1.2施工队伍安排.......................................114.1.3劳力、机械配备.....................................114.1.4临时设施建设.......................................124.2施工进度计划安排.........................................125.施工工艺......................................................135.1YA1、YA2号竖井施工流程.................................135.2施工准备：...............................................135.3测量放线：...............................................135.4锁口圈梁施工.............................................135.4.1开挖...............................................135.4.2测量放线...........................................135.4.3支搭底模...........................................135.4.4钢筋绑扎...........................................145.4.5侧模施工...........................................145.4.6混凝土浇筑及养护...................................145.4.7混凝土养护.........................................145.4.8混凝土拆模.........................................145.5提升系统施工.............................................155.6倒挂井壁部分施工.........................................155.6.1竖井土方开挖.......................................155.6.2竖井支护施工.......................................155.6.3注浆小导管施工.....................................155.6.4格栅钢架施工.......................................175.6.5喷射混凝土施工.....................................195.6.6竖井封底...........................................205.7马头门施工...............................................216．监控量测措施.................................................226.1.监测目的................................................226.2、重要建（构）筑物、管线监测点布置.......................236.3.竖井及横通道监测........................................236.3.1施工流程...........................................237.3.2主要监测项目、监测频率.............................236.3.3三级预警及应急措施.................................266.4监测资料的分析、预测和信息反馈..........................276.4.1数据整理...........................................286.4.2插值法.............................................286.4.3采用统计分析方法对监测结果进行回归分析.............286.5.监测工作安全、质量、环境保护保障措施....................296.5.1质量保障措施.......................................296.5.2安全环境保护保障措施.............
