摘 要本设计主要针对某深基坑工程施工过程中基坑变形及引起周边环境变形进行监测的方法及相关数据处理方案的设计与分析。主要监测内容对基坑壁进行水平位移监测和沉降监测;内支撑格构柱进行沉降监测;周边临近基坑受基坑影响的建筑物作沉降监测；周边建筑沉降超预警值后要求进行倾斜观测.采纳监测方法为精密二等水准、极坐标法、投点法，并对其可行性进行做了精度分析。关键字：沉降观测;水平位移观测；倾斜观测；二等水准;极坐标 AbtractThis design is mainly for a deep foundation pit during the construction of foundation pit deformation and cause the deformation of the surrounding environment monitoring methods and data processing program design and analysis 。 The main monitoring content of the foundation pit wall for monitoring horizontal displacement and settlement monitoring;In support of lattice column for subsidence monitoring; near an excavation foundation pit surrounding by effect of buildings for subsidence monitoring ； The surrounding building settlement of super early warning value requirements of the tilt observation.The monitoring method for precision two level， the polar coordinate method, points method，And its feasibility was made precision analysis。Keyword ： Horizontal displacement observation ； settlement observation ； tilt observation； two level； polar coordinates目录摘 要 I...............................................................................................................................................Abtract I I1 工程概况 1 2 监测目的 2 3 编制依据 3 4 控制点和监测点的布设 4 4 。 1 变形监测基准网的建立 4 4.2 监测点的建立 4 4.3 监测级别及频率 4 5 监测方法及精度论证 6 5 。 1 水平位移观测方法 6 5.2 沉降观测方法 7 5.3 基坑周围建筑物的倾斜观测 8 6 成果提交 10 7 人员安排及施工现场注意事项 11 8 报警制度 13 9 参考文献 13 附录 1 基准点布设示意图 1 5附录 2 水准观测线路设示意图 1 6附录 3 水...
