钻孔灌注桩断桩处理方法的讨论

The discussion on the treatment method of broken pile of cast-in-place bored pile

归纳了灌注混凝土时的注意事项,分析了钻孔灌注桩断桩的主要原因,根据不同的断桩情况,提出了几种处理方法,着重对"二次下球法"作了论述,实践证明:该方法简单、实用、可靠,使用效果良好。

This paper concludes the points for attention on pouring concrete, and analyzes the main reason of broken pile of cast-in-place bored pile. According to the different situations of broken pile, points out some treatment methods. Pay more attention to discuss ＂the two-step low- er ball method＂. The practices prove that this method is easy, practical and reliable, the effects on application is also gcod.