某挤扩支盘灌注桩承载力偏低的原因分析

Analysis on the causes of low bearing force of the compaction-under reamed bored pile

介绍了某工程挤扩支盘灌注桩承载力偏低的情况,阐述了该桩型的作用原理和场地工程地质条件,通过对比单桩承载力计算值和测试值的差异,分析了出现问题的原因,创造了效益。

This paper introduces the low bearing force of compaction-under reamed bored pile of some project,and describes the working principle of the pile and geological conditions of its field engineering.Through comparing the differences of calculation value and testing value of single pile bearing capacity,the paper analyzes causes and creates benefits.