Deformation Monitoring of Foundation Pit Excavation for a Renovation Project in Zhengzhou

Abstract:

Take an example of the foundation pit excavation for a renovation project in Zhengzhou, the paper describes the purpose and content of monitoring, monitoring accuracy and instrument selection, the layout of monitoring points and monitoring methods as well as monitoring alarm values and monitoring frequency. The practice shows that by timely capturing small changes in construction to realize information construction, the foundation pit and the surrounding environment are protected.

Key words:foundation pit excavation; deformation; monitoring