摘要
介绍了多级挤扩钻孔灌注桩的承载机理及设计计算方法，并对其在实际工程应用中存在的一些问题和应用效果作了简要分析。
The bearing mechanism and design calculation method are described for multi stage expanded bored piles. Some problems present with its field use are briefly analyzed with its benefits.
出处
《探矿工程（岩土钻掘工程）》
1998年第S1期5-8,共4页
Exploration Engineering:Rock & Soil Drilling and Tunneling
关键词
钻孔灌注桩
多级挤扩
承载机理
承力扩大盘
承载力
bored pile, multi stage expansion, bearing mechanism, expanded bearing shoulder, bearing capacity.
