摘要
本文通过对桂子湖大桥6—3#钻孔桩施工过程的分析、研究,总结出遇有溶洞及裂隙的钻孔灌注桩的施工工艺。
The paper sums up the construction techniques of bored pile for bridge based on practice.
关键词
钻孔灌注桩
溶洞
裂隙
回填
冲击钻
掏渣筒
drilled grouting pile
Karst caverns
cracks
backfill
percussion drilling
dregs-out-tube
