冲击钻孔灌注桩钻进质量事故的防治

Prevention and Treatment on the Drilling Accidents of Impact Drilling Pile

冲击钻孔钻进中经常出现事故,钻孔灌注桩的施工质量关系到桥梁结构的安全。对冲击钻孔施工要点和施工中遇到的坍孔、流砂等问题进行研究与分析,以避免在桩基础施工中出现更大的安全事故。

Accidents often appear in the drilling of impact bored pile, the construction quality of the bored piles is related to the safety of bridges. Researches and analysis should be done to the essential points and hole collapsing, fluid sand in the drilling so as to avoid a greater security incident in the constructing of pile foundation.