Model testing study on composite foundation of 
cement-soil pile under cyclic loading

BAI Shun-guo; HOU Yong-feng; ZHANG Hong-ru; LI Zhi-qiang

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Model testing study on composite foundation of cement-soil pile under cyclic loading

更新时间：2026-06-25

- Model testing study on composite foundation of cement-soil pile under cyclic loading
- Vol. 27, Issue S1, (2006)
- 作者机构：
  
  1. 河北农业大学城建学院,保定,071001
  2. 北京交通大学土建学院,北京,100044
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU47
- Online First：15 December 2006，
  
  Published：2006
- 稿件说明：
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BAI Shun-guo, HOU Yong-feng, ZHANG Hong-ru, et al. Model testing study on composite foundation of cement-soil pile under cyclic loading[J]. 2006, 27(S1).
DOI：

BAI Shun-guo, HOU Yong-feng, ZHANG Hong-ru, et al. Model testing study on composite foundation of cement-soil pile under cyclic loading[J]. 2006, 27(S1). DOI：

摘要

设计并完成了循环荷载作用下水泥土桩复合地基的模型试验。对水泥土桩复合地基的竖向附加应力、桩土应力比、孔隙水压力及沉降等问题进行了研究讨论。结果表明，（1）水泥土桩加固饱和软基后发生了应力重分布；（2）循环荷载作用下复合地基桩土应力比受加荷周数、循环应力比和置换率等因素的影响较显著；（3）水泥土桩加固饱和软基降低了孔压值，减小了由于孔隙水压力的消散而产生的工后沉降；（4）水泥土桩复合地基在循环荷载作用下桩顶和桩间土变形并不协调，桩顶永久沉降小于桩间土永久沉降，且加荷周数越大这种趋势越显著。

Abstract

Model tests on composite foundation of cement-soil pile under cyclic loading were conducted. The vertical additional pressure

stress ratio of pile and soil

the pore water pressure

and the settlement of composite foundation of cement-soil pile

etc. were discussed. The test results show that (1) the saturated soft foundation improved with cement-soil piles occurred redistribution of stresses; (2) the effects of cyclic stress ratio

number of loading cycle and replacement ratio on the stress ratio of pile to soil of composite foundation were remarkable; (3) the saturated soft foundation improved with cement-soil piles decreased the pore water pressure value and the settlement of back work; (4) the vertical deformation of the top of piles and pile-surrounding soil is not coordinative. The permanent settlement of the pile top piles is less than that of pile-surrounding soil; and this tendency is more remarkable with increasing number of loading cycle.

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