THE MONITORING SYSTEM AND TECHNOLOGIES OF LAND SUBSIDENCE IN BEIJING
THE MONITORING SYSTEM AND TECHNOLOGIES OF LAND SUBSIDENCE IN BEIJING
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发表时间：
2012
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通讯作者：
Chu Hong-liang
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作者：
Chu Hong-liang
北京市地面沉降监测系统由地面沉降监测网、水准监测网、GPS监测网、地下水动态监测网和干涉合成孔径雷达监测网组成，本文根据近年来北京市地面沉降监测工作积累的资料，分析总结了基岩水准点和分层水准点的监测及质量控制方法，提出了两级监测方法，采用干涉合成孔径雷达（InSAR）方法，开展了重点轨道交通地面沉降专项监测研究，为地面沉降监测网的建设和优化提供了指导。
The Beijing Land Subsidence Monitoring System consists of land subsidence monitoring network,leveling monitoring network,GPS monitoring network,groundwater dynamic monitoring network and InSAR monitoring network.Based on the information accumulated through the land subsidence monitoring work of Beijing City in recent years,this article analyses and summarizes the bedrock bench mark and layered bench mark monitoring and quality control method.The two-level monitoring method,i.e.GPS monitoring control network and monitoring network,improves the monitoring accuracy.The InSAR method is adopted to initiate the land subsidence special monitoring research on some important rail traffic.The article also gives some guidance for land subsidence monitoring network construction and optimization.