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CFG桩复合地基桩土应力比试验分析
引用本文:于庆磊,邓小涛,田海涛.CFG桩复合地基桩土应力比试验分析[J].山西建筑,2007,33(25):117-118.
作者姓名:于庆磊  邓小涛  田海涛
作者单位:1. 华北水利水电学院硕士研究生,河南郑州 450011
2. 中国地质大学工程学院,湖北武汉 430074
3. 华北水利水电学院,河南郑州 450011
摘    要:对CFG桩复合地基进行了现场堆载监测和载荷试验,并对两者试验结果进行了分析。结果表明:在刚性荷载和半柔性荷载条件下桩土应力比的变化规律存在着差异,半柔性荷载条件下的复合地基的桩土应力比载荷板刚性荷载下的桩土应力比小,半柔性荷载条件下的复合地基,在沉降过程中,桩和桩间土的沉降存在差异性。

关 键 词:CFG桩复合地基  桩土应力比  半柔性荷载
文章编号:1009-6825(2007)25-0117-02
修稿时间:2007-03-20

Experimental analysis of the pile-soil stress ratio in CFG pile composite foundation
YU Qing-lei,DENG Xiao-tao,TIAN Hai-tao.Experimental analysis of the pile-soil stress ratio in CFG pile composite foundation[J].Shanxi Architecture,2007,33(25):117-118.
Authors:YU Qing-lei  DENG Xiao-tao  TIAN Hai-tao
Affiliation:YU Qing-lei DENG Xiao-tao TIAN Hai-tao
Abstract:The measurements of pile-soil stress ratio in composite foundation embankment monitor and load test,the differences between the results are analyzed.The study results indicate that the variation of pile-soil stress ratio under rigid load is quite different from that under semi-flexible load,the pile-soilstress ratio of semi-flexible load is smaller than that of rigid load,the different settlement between pile and soil exists in settlement process.
Keywords:CFG pile composite foundation  pile-soil stress ratio  semi-flexible load
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