东四站织补工程临近既有地铁结构施工安全专项施工方Good is good, but better carries it.精益求精，善益求善。案(报业主)(101 页)目 录第一章 编制依据及原则................................................................................................11.1 编制依据..........................................................................................................11.2 编制原则..........................................................................................................1第二章 工程概况...........................................................................................................22.1 地理位置及建筑用地概况..................................................................................22.2 规划条件及织补功能.........................................................................................22.3 建筑设计概况....................................................................................................22.4 结构设计概况....................................................................................................32.5 工程地质水文地质.............................................................................................62.6 既有地铁结构控制标准及保护措施.....................................................................82.6.1 既有地铁结构变形控制标准.......................................................................82.6.2 邻近地铁结构变形点初始值的确定............................................................92.6.3 既有地铁结构设计保护措施......................................................................9第三章 工程重、难点分析...........................................................................................113.1 确保盖挖主体结构无水施工.............................................................................113.2 控制既有车站结构变形不超标.........................................................................113.3 织补工程是市政工程，做好文明施工，维持周边次序是本工程的重点....
