Research on pile-soil stress ratio of grouting gravel pile with capping plate under embankment load

GU Chang-cun1; LIU Han-long1; XING En-da2; CHEN Yong-hui1; LUO Xu3

doi:10.16285/j.rsm.2006.10.015

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Research on pile-soil stress ratio of grouting gravel pile with capping plate under embankment load

更新时间：2026-06-25

- Research on pile-soil stress ratio of grouting gravel pile with capping plate under embankment load
- Issue 10, Pages: 1719-1722(2006)
- 作者机构：
  
  1. 河海大学岩土工程研究所
  2. 浙江省水利水电勘测设计院
  3. 福建省交通规划设计院
- 作者简介：
- 基金信息：
- DOI：10.16285/j.rsm.2006.10.015
  CLC： U416.1
- Published：2006
- 稿件说明：
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[1]顾长存,刘汉龙,邢恩达,陈永辉,罗戌.路堤荷载下具盖板的浆固碎石桩桩土应力比研究[J].岩土力学,2006(10):1719-1722.

GU Chang-cun1, LIU Han-long1, XING En-da2, et al. Research on pile-soil stress ratio of grouting gravel pile with capping plate under embankment load[J]. 2006, (10): 1719-1722.
[1]顾长存,刘汉龙,邢恩达,陈永辉,罗戌.路堤荷载下具盖板的浆固碎石桩桩土应力比研究[J].岩土力学,2006(10):1719-1722. DOI： 10.16285/j.rsm.2006.10.015.

GU Chang-cun1, LIU Han-long1, XING En-da2, et al. Research on pile-soil stress ratio of grouting gravel pile with capping plate under embankment load[J]. 2006, (10): 1719-1722. DOI： 10.16285/j.rsm.2006.10.015.

摘要

桩土应力比是反映复合地基工作状态的重要参数

前人做了较多的理论工作

但理论解通常是在桩顶铺设砂垫层情况下推出的。在路堤荷载下浆固碎石桩复合地基一般在桩顶设置盖板

针对浆固碎石桩复合地基的特殊情况

进行了理论模型简化

并且运用极限平衡理论和弹性理论

推导了设置盖板的浆固碎石桩复合地基在路堤荷载下桩土应力比公式

并通过工程实测资料进行了验证

其结果可为浆固碎石桩复合地基的优化设计提供参考。

Abstract

The pile-soil stress ratio is an important parameter depicting the work state of composite foundation. Lots of theoretical researches were carried out in recent years; but they were usually deduced on the condition of laying sand cushion. Under the load from embankment

the capping plate is set at the top of grouting pile. Based on this especial condition

a proper theoretical model is brought forward. Furthermore

limit equilibrium theory and elastic theory are adopted to deduce the formula of pile-soil stress ratio of grouting gravel pile composite foundation under embankment load; and it is validated by project actual measurement and instruct the design of grouting gravel pile composite foundation.

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Related Author

GU Chang-cun

LIU Han-long

XING En-da

CHEN Yong-hui

LUO Xu

XU Zhao-yang

ZHOU Jian

WAN Shao-jin

Related Institution

Institute of Geotechnical Engineering, Yangzhou University

Key Laboratory of Ministry of Education for Geotechnical and Underground Engineering, Tongji University

State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences

School of Civil Engineering, Tianjin University

State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University

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