Analysis of Deformation Characteristics of a Deep Foundation Pit based on In-situ Monitoring Data
Foundation pit safety accidents caused by foundation pit deformation often occur,and the deformation monitoring of foundation pit is of great significance to ensure the safety of the project.In this paper,the horizontal displacement and settlement characteristics of the foundation pit are studied by monitoring the horizontal displacement of the pile top,the deep horizontal displacement and the surface settlement of a deep foundation pit,so as to summarize the displacement deformation characteristics.The test results show that the deep horizontal displacement gradually increases,the change is fast above the excavation face of the foundation pit,and the deformation at the bottom of the foundation pit is slow.The surface settlement shows that the deformation on the south side is a subsidence trend,and the north side is first subsidence and then uplifting.The monitoring results show that the deformation of the foundation pit is small,the deformation is within the controllable range,and the design of the supporting structure of the project is reasonable.
deep foundation pitmonitoring datahorizontal displacementdeformation characteristics