| 高速铁路CFG桩复合地基柔性载荷试验探讨 |
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| 引用本文： | 丁桂伶,王连俊,刘升传,陈祥.高速铁路CFG桩复合地基柔性载荷试验探讨[J].北京交通大学学报(自然科学版),2009,33(4). |
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| 作者姓名： | 丁桂伶 王连俊 刘升传 陈祥 |
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| 作者单位： | 北京交通大学土木建筑工程学院; |
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| 基金项目： | 铁道部科技开发计划项目(2007G046) |
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| 摘 要： | 高速铁路路基基础有两种形式:刚性基础和柔性基础,但目前对于CFG桩复合地基常用的质量检测方法为刚性承压板载荷试验,这种检测方法对于柔性基础来说是存在缺陷的.本文给出一种适合于高速铁路柔性基础作用原理的复合地基载荷试验方法,模拟高速铁路柔性加载的特性.通过对高速铁路CFG桩复合地基现场试验,研究其沉降变形和桩土荷载分担特性.
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| 关 键 词： | 高速铁路 CFG桩复合地基 柔性载荷试验 沉降变形 荷载分担比 |
Study on Flexible Load Test of the CFG Pile Composite Foundation of High-Speed Railway |
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| DING Guiling,WANG Lianjun,LIU Shengchuan,CHEN Xiang.Study on Flexible Load Test of the CFG Pile Composite Foundation of High-Speed Railway[J].JOURNAL OF BEIJING JIAOTONG UNIVERSITY,2009,33(4). |
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| Authors: | DING Guiling WANG Lianjun LIU Shengchuan CHEN Xiang |
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| Institution: | School of Civil Engineering;Beijing Jiaotong University;Beijing 100044;China |
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| Abstract: | There are two forms of subgrade foundation: rigid foundation and flexible foundation.At present,rigid pressure plate load test is the common method for quality inspection of CFG pile.However,this test method has some disadvantages.In this paper,research is carried out on the characteristics of flexible load,and this test method is applied to the composite foundation with flexible load.Through the field test of CFG pile composite foundation in high-speed railway,the settlement deformation and load sharing ra... |
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| Keywords: | high-speed railway CFG pile composite foundation flexible load test settlement deformation load sharing ratio |
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