An Elastic Theory Approach and Parametric Analysis of Pile Group in Layered Soils

CAO Ming; CHEN Sheng-li

doi:10.11835/j.issn.1674-4764.2012.02.001

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An Elastic Theory Approach and Parametric Analysis of Pile Group in Layered Soils

更新时间：2023-11-28

- An Elastic Theory Approach and Parametric Analysis of Pile Group in Layered Soils
- Journal of Civil and Environmental Engineering Vol. 34, Issue 2, Pages: 1-6(2012)
- 作者机构：
  
  1. 上海交通大学安全与防灾工程研究所,上海,200240
  2. 上海电视大学,上海,200433
- 作者简介：
- 基金信息：
- DOI：10.11835/j.issn.1674-4764.2012.02.001
  CLC：
- Published：2012
- 稿件说明：
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CAO Ming, CHEN Sheng-li. An Elastic Theory Approach and Parametric Analysis of Pile Group in Layered Soils[J]. Journal of Civil and Environmental Engineering, 2012, 34(2): 1-6.
DOI：

CAO Ming, CHEN Sheng-li. An Elastic Theory Approach and Parametric Analysis of Pile Group in Layered Soils[J]. Journal of Civil and Environmental Engineering, 2012, 34(2): 1-6. DOI： 10.11835/j.issn.1674-4764.2012.02.001.

摘要

根据Muki & Sternberg的计算方法

建立了层状地基中不同桩长、桩径、桩体材料情况下桩桩间的相互作用系数

利用叠加原理对层状地基中群桩基础进行计算分析

通过与已有文献计算结果的比较

验证了计算方法的正确性

并对层状地基中群桩基础的沉降以及各桩的荷载分担情况进行了参数分析。计算方法得到的相互作用系数可以考虑桩的“加筋效应”。能够用来分析大规模群桩基础

具有一定的工程应用前景。

Abstract

Based on the technique proposed by Muki & Sternberg

a rigorous analytical method for calculating the interaction factor between two piles with different lengths

diameters and properties is presented. The pile group in layered soils is calculated by using the principle of superposition. The validity of the presented method has been verified through comparing with those from other existing solutions. A parametric analysis is made to study the pile group settlement and the loads shared by the individual pile. The proposed interaction factors of pile-pile can consider the strengthening effect of intervening piles. The proposed method can be used to analyze the large pile group.

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