有软弱透镜体沉管灌注桩的设计与施工

Design and Construction for Vibro Pile on Pile End-Bearing Stratum with Soft Soil Foundation

对某住宅小区沉管灌注桩桩端土中存在软弱透镜体，部分桩基发生持力层冲剪破坏事故进行分析，并对事故的处理及其工程设计及施工谈了几点体会，供设计人员参考．

There are some soft soil foundations on end of vibro pile in certain dwelling house region, and the some pile foundations on the bearing stratum are damaged due to shock and shear loads. The analysis, treatment of the accidents and design in engineering were discussed.