Experimental study of piles-cushion-soil interaction of rammed soil-cement pile composite foundation

GUO Zhong-xian; WANG Zhan-lei; YANG Zhi-hong

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Experimental study of piles-cushion-soil interaction of rammed soil-cement pile composite foundation

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- Experimental study of piles-cushion-soil interaction of rammed soil-cement pile composite foundation
- Vol. 28, Issue 4, (2007)
- 作者机构：
  
  1. 石家庄铁道学院土木分院,石家庄,050043
  2. 北京工业大学建工学院,北京,100022
  3. 河北省建筑科学研究院,石家庄,050021
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU441+.4
- Online First：05 September 2013，
  
  Published：2007
- 稿件说明：
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GUO Zhong-xian, WANG Zhan-lei, YANG Zhi-hong. Experimental study of piles-cushion-soil interaction of rammed soil-cement pile composite foundation[J]. 2007, 28(4).
DOI：

GUO Zhong-xian, WANG Zhan-lei, YANG Zhi-hong. Experimental study of piles-cushion-soil interaction of rammed soil-cement pile composite foundation[J]. 2007, 28(4). DOI：

摘要

为研究夯实水泥土桩复合地基中桩体、垫层、地基土的共同作用及其工作性状，进行了不同桩长、不同配比单桩载荷试验，不同桩长的单桩及四桩复合地基载荷试验，不同面积置换率的9桩复合地基载荷试验。通过专门的测试元件对复合地基中的地基土反力分布、桩侧摩阻力等进行测定。根据试验结果分析了复合地基破坏模式，探讨了桩体、垫层、地基土的相互作用特性。对地基土反力分布特征、桩土荷载分担比、桩土应力比、单桩及复合地基中桩侧摩阻力分布特征等进行了研究。

Abstract

In order to study the behavior and working properties of piles-cushion-soil interaction of rammed soil-cement pile composite foundation， field loading tests of single pile and composite foundation with single pile

four piles

nine piles in different lengths and area displacement ratio have been carried out. Distribution of the soil contact pressure

the shaft resistance of pile have been measured by installing special measuring gauges. Based on the test results

the failure pattern

the behavior of piles-cushion-soil interaction were analyzed. Distribution of the soil contact pressure

the stress ratio and the load ratio of pile to soil

distribution of the shaft resistance in single pile and pile of composite foundation have been analyzed.

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