商业广场深基坑开挖支护监测施工方案

XX 广场 C-2 地块主楼基坑变形监测方案XX 中核岩土工程有限公司2012 年 6 月 1 日XX 广场 C-2 地块主楼基坑变形监测方案审 批： 审 核： 编 制： 目 录1 工程概况.................................................................................................32 监测目的和依据.....................................................................................32.1 监测目的..............................................................................................................32.2 编制依据..............................................................................................................33 监测内容及项目.....................................................................................34 基准点、监测点的布设与保护.............................................................44.1 基准点的布设......................................................................................................44.2 监测点的布设......................................................................................................55 监测方法及精度.....................................................................................55.1 基坑周边环境监测..............................................................................................55.2 围护边坡顶部水平位移监测..............................................................................55.3 水位监测............................................................................................................135.4 巡视监测............................................................................................................136 监测期和监测频率.................................................................................96.1 监测期..................................................................................................................96.2 监测频率..............................................................................................................97 监测报警及异常情...