12标TBM始发竖井开挖支护安全专项方案VIP免费

重庆市轨道交通9号线一期工程土建12标青宝区间TBM始发井开挖及支护安全专项施工方案编制：复核：审核：中国建筑股份有限公司重庆市轨道交通九号线12标项目经理部二〇一七年三月目录一、工程概况......................................................................................................................-1-1.1工程概况................................................................................................................-1-1.2工程地质................................................................................................................-2-1.2.1地层地貌.....................................................................................................-2-1.2.2地层岩性.....................................................................................................-2-1.2.3地质构造.....................................................................................................-3-1.2.4水文地质条件.............................................................................................-3-1.2.5不良地质作用与特殊岩土.........................................................................-4-1.3工程环境及施工条件............................................................................................-4-1.3.1气候条件.....................................................................................................-4-1.3.2交通条件.....................................................................................................-5-1.3.3施工用水、电、通讯条件.........................................................................-5-1.4施工环境条件调查................................................................................................-5-1.4.1周边建筑物情况.........................................................................................-5-1.4.2交通疏解情况.............................................................................................-6-1.4.3管线调查情况.............................................................................................-6-1.5工程重、难点........................................................................................................-6-1.6基坑开挖壁的稳定性分析....................................................................................-7-1.7施工要求................................................................................................................-7-二、编制依据......................................................................................................................-7-2.1相关的法律、法规................................................................................................-7-2.2规范、技术规程....................................................................................................-8-2.3图纸、图集及施工组织设计................................................................................-8-三、施工计划......................................................................................................................-9-3.1施工进度计划........................................................................................................-9-3.1.1总体施工安排.............................................................................................-9-3.1.2工期目标...................................................................................