Analytical solution of pile-soil stress ratio of soil-cement pile composite foundation

ZHENG Jun-jie; HUANG Hai-song

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Analytical solution of pile-soil stress ratio of soil-cement pile composite foundation

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- Analytical solution of pile-soil stress ratio of soil-cement pile composite foundation
- Vol. 26, Issue 9, (2005)
- 作者机构：
  
  华中科技大学岩土与地下工程研究所,武汉,430074
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU472
- Online First：30 December 2013，
  
  Published：2005
- 稿件说明：
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ZHENG Jun-jie, HUANG Hai-song. Analytical solution of pile-soil stress ratio of soil-cement pile composite foundation[J]. 2005, 26(9).
DOI：

ZHENG Jun-jie, HUANG Hai-song. Analytical solution of pile-soil stress ratio of soil-cement pile composite foundation[J]. 2005, 26(9). DOI：

摘要

选取常用的双折线荷载传递函数，推导出一组轴向荷载-沉降曲线的解析算式，从而用其来表征桩的荷载-沉降曲线；选取双曲线函数来表征地基土的荷载-沉降曲线，推导出了水泥土桩复合地基中考虑桩-土相互作用的桩土应力比的解析算式，并讨论相关参数对桩土应力比的影响。研究结果表明，水泥土桩复合地基桩土应力比不仅与桩周土的特性有关，而且还受到桩体尺寸、弹性模量和复合地基所受的总荷载的影响。其结果为复合地基桩土应力比的计算提供了一种新思路。

Abstract

With bilinear load transfer function，a set of equations for the axial load-settlement curve is established; furthermore

it is applied to the load-settlement of pile. Then hyperbolic load-settlement curve is applied to soil; an analytical formula for analyzing pile-soil stress ratio under the interaction of pile and soil is deduced; and the influence of several relevant parameters on pile-soil stress ratio are discussed. The study shows that the pile-soil stress ratio of soil-cement pile composite foundation is not only related with the characteristic of surrounding soil of the pile

but also dimension

elastic modulus of the pile and the total load of composite foundation. It provides a new way for the calculation of pile-soil stress ratio of composite foundation.

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