应用桩顶及桩端沉降的桩基承载性状分析

Pile bearing characters analysis based on top and bottom settlements of pile

大直径钻孔灌注桩静载荷试验时,对桩顶及桩端沉降的同时进行观测,可以计算桩身压缩量、桩侧极限承载力,判断桩端持力层性状及桩端的沉渣,对桩基的承载性状有一个比较全面的了解。本试验方法几乎不增加成本,不影响工期,可供类似工程借鉴。

Based on the datum of top and bottom settlements of pile,the compression and the ultimate bearing capacity of the pile can be calculated.And the judgment of pile tip resistant layer can be helpful to comprehensive understanding of pile bearing characteristic.This test method does not increase cost,does not affect the construction period and can be referred for similar project.