平安国际金融中心深基坑支护技术

平安国际金融中心设计为5层地下室,基坑深32m。基坑周边环境非常复杂,开挖支护难度极大。结合工程地质条件及地下水情况,采用支护桩+内支撑+周边封闭式止水帷幕的支护方案。并对地表沉降及位移、建筑物及地下管线变形、地下水位、桩顶位移、土体沉降、支撑轴力及立柱变形等进行监测。通过分析监测成果进一步指导施工,以保证基坑及周边建筑安全。

Supporting of Super-deep Foundation Excavation of Ping'an International Financial Center

Ping'an International Financial Center is designed with 5-floors basement and the depth of foundation excavation is 32m.The surrounding environment of the foundation excavation is very complicated.The retaining method of support piles and internal supporting with surrounding waterproof curtains is adopted.Moreover some parameters are monitored to provide guidance for construction and ensure safety of surrounding buildings such as the surface settlement and displacement,deformation of buildings and undergrou...