摘要
采用ABAQUS有限元软件模拟基桩低应变完整性动测过程。定性分析桩顶平整度对基桩完整性判断的影响,结果表明:桩顶不平整部位处于信号采集点和锤击点之间时,对入射信号振幅产生明显影响,对缺陷处反射波信号和桩底反射波信号几乎没影响,容易造成桩身缺陷程度的误判。
The paper used ABAQUS finite element analysis software to simulate low strain integrity dynamic process of piles. The effect of pile top flatness to judge pile integrity is analyzed qualitatively. It shows that when the rough part of pile top is between signal collection point and hammering point,it has obvious influence on the incoming signal amplitude,but doesn’t impact the reflection wave signals of defect and pile bottom,so it’s easy to cause the miscalculation of pile defect degree.
作者
邓汉国
Deng Hanguo(Maoming Construction Quality Test Station Maoming 525000,Chin)
出处
《广东土木与建筑》
2018年第2期63-65,共3页
Guangdong Architecture Civil Engineering
关键词
低应变法
桩身完整性
缺陷评价
桩顶平整度
low strain method
pile integrity
defect evaluation
pile top flatness
