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通州区潞城镇棚户区改造土地开发项目A区杨坨三号地安置房（中、南区）基坑监测方案编制人：审核人：审批人：北京建工集团有限责任公司通州区杨坨安置房项目土方及基坑支护工程（一标段）项目经理部二〇一七年四月十日目录第一章工程概况.....................................................................................................................................21.1单位工程概况..................................................................................................................................21.2基坑工程概况..................................................................................................................................21.3工程周边环境条件及使用条件.......................................................................................................31.4工程地质和水文地质条件...............................................................................................................3第二章监测目的和编制依据.................................................................................................................42.1监测目的..........................................................................................................................................42.2方案编制原则..................................................................................................................................42.3方案编制依据..................................................................................................................................5第三章基坑监测内容.............................................................................................................................53.1监测内容..........................................................................................................................................53.2监测点位设置..................................................................................................................................53.3监测要求..........................................................................................................................................63.4监测项目报警值和控制值...............................................................................................................6第四章基坑监测方法.............................................................................................................................74.1深层水平位移监测..........................................................................................................................74.2支护结构顶水平位移和沉降观测...................................................................................................74.3锚杆轴力..........................................................................................................................................74.4基坑内外地下水位..........................................................................................................................84.5周边道路及管线沉降监测...............................................................................................................8第五章监测点的保护措施.....................................................................................................................8第六章监测质量安全体系.......................................................................................................