泵压CFG成桩常见问题浅析

本文分析了CFG桩采用长螺旋钻孔,泵压砼成桩的常见问题,分析了问题产生的原因和机理,总结了该工艺的地层适应性及其成功经验,提出了该工艺需要研究的问题。

This article introduced questions of CFG, Which be used by the long spiral drill hole-pump pressuring tong ,analyzed the reason and the mechanism which the question produced, summarized this craft stratum compatibility and the success experience, proposed questions of the craft needed to study.