Research on bearing properties of composite foundation integrated by CFG piles and gravel piles

WANG Shi-jie; HE Man-chao; ZHU Chang-zhi; XI Jin-quan

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Research on bearing properties of composite foundation integrated by CFG piles and gravel piles

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- Research on bearing properties of composite foundation integrated by CFG piles and gravel piles
- Vol. 29, Issue 10, (2008)
- 作者机构：
  
  1. 河北农业大学,保定,071001
  2. 中国矿业大学 (北京) 岩土工程研究所,北京,100083
  3. 中石化集团勘察设计院,保定,071051
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU472.3+2
- Online First：03 August 2013，
  
  Published：2008
- 稿件说明：
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WANG Shi-jie, HE Man-chao, ZHU Chang-zhi, et al. Research on bearing properties of composite foundation integrated by CFG piles and gravel piles[J]. 2008, 29(10).
DOI：

WANG Shi-jie, HE Man-chao, ZHU Chang-zhi, et al. Research on bearing properties of composite foundation integrated by CFG piles and gravel piles[J]. 2008, 29(10). DOI：

摘要

将碎石桩与CFG桩组合桩型复合地基用于沿海软土地基的处理。通过现场实测和三维数值计算，对这种新型复合地基的桩土应力随荷载的变化过程、桩土共同作用机理及桩土荷载分担比的变化过程进行了全面分析，结果表明：组合桩型复合地基可发挥两种不同刚度加固体在复合地基中各自的特点，经济技术效益明显，应用效果良好

Abstract

Application of the combined pile composite foundation to coastal soft soil areas is described. Based on in-situ stress measurements and three-dimensional numerical computation by FLAC3D

the stress development in piles and nearby soils is analyzed. Meanwhile

the mechanism of pile-soil interaction and the bearing ratios in piles and soils are analyzed in detail. The results show that the combined pile composite foundation can develop the properties of two kinds rigidity reinforced pile. It has obvious economical and technical benefit and good applicable results.

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