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水泥土群桩复合地基桩土应力比测试研究
引用本文:佘重九,林川,陈乐求. 水泥土群桩复合地基桩土应力比测试研究[J]. 金属材料与冶金工程, 2009, 37(4): 35-39
作者姓名:佘重九  林川  陈乐求
作者单位:1. 广东省珠海工程勘察院,广东,珠海519002
2. 中南大学地学与环境工程学院,湖南,长沙410083
摘    要:桩土应力比是反映搅拌桩复合地基工作状态的一个重要参数,也是计算复合地基承载力和沉降的重要指标。通过在单桩、四桩承台下的桩周土和桩顶埋设土压力盒.获得系统的水泥土桩复合地基的桩土应力等原位试验数据。分析了群桩效应在搅拌桩复合地基中的影响,具有工程实用价值。

关 键 词:水泥搅拌桩  复合地基  桩土应力比  群桩效应

Test on Pile-soil Stress Ratio of Composite Foundation with Cement-soil Pile Group
SHE Chong-jiu,LIN Chuan,CHEN Le-qiu. Test on Pile-soil Stress Ratio of Composite Foundation with Cement-soil Pile Group[J]. Metal Materials And Metallurgy Engineering, 2009, 37(4): 35-39
Authors:SHE Chong-jiu  LIN Chuan  CHEN Le-qiu
Affiliation:1.Guangdong Zhuhai Engineering Invetigation Institute;Zhuhai 519002;China;2.School of Geoscience and Environmental Engineering;Central South University;Changsha 410083;China
Abstract:Pile-soil stress ratio is an important parameter which reflect behaviour of composite foundation with cement-soil pile.It is a target of calculating bearing capacity and displacement.Stresses under the caps in cement-soil piles composite ground are obtained by putting earth-cell under the caps with one pile and four piles respectively in field test.The effect of pile group effect on composite foundation with cement-soil pile is analysis in this paper,and practicable for engineering.
Keywords:cement-soil pile  composite foundation  pile-soil stress ratio  pile group effect  
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