大口径钻孔扩底灌注桩在孔形检测时的塌孔分析及处理

Analysis and treatment on pile bore checking collapse accidents of large diameter bored perfusion pile

根据地质条件、施工和孔形检测全过程 ,分析了大口径钻孔扩底灌注桩在孔形检测时的塌孔原因 ,给出了采取的有效处理措施 。

Based on the geological conditions,the whole construction and pile bore checking process, this paper analyzes the reasons of pile bore checking collapse accidents of large diameter bored perfusion pile the practical controlling method is provided.Several valuable experiences are given to prevent and handle pile bore checking collapse accidents of large diameter bored perfusion pile in the engineering process.