冲孔灌注桩断桩处理技术

冲孔灌注桩施工由于受诸多因素的影响,产生断桩难以避免。如能掌握发生断桩原因,对断桩进行合理分析,在施工中加以科学预防,则可以大大减少断桩的发生概率。文章结合工程实践,分析评价了不同原因的断桩处理方法,重点论述了注浆法处理断桩施工工艺,指出该方法具有施工简便、速度快、成本低、效果好等特点。

The Techniques to Process Broken Piles of Boring Cast-in-situ Piles

Broken piles are unavoidable due to many factors during the construction of boring cast-in-situ piles.It can greatly help to reduce the chance of broken piles to know the reasons of their happening,to analyze them reasonably and make scientific precautions in construction.The article,combining the practice,analyzes and assesses the way to deal with broken piles of different reasons,focusing on grouting method and pointing out the convenience,high speed,low cost and good effect of that method.