LATERAL RESPONSE OF PILE GROUPS DUE TO EXCAVATION INDUCED SOIL MOVEMENTS

机译：基坑开挖引起的土体运动对桩群的横向响应

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Lateral soil movement induced by excavation in construction of tunnel or deep foundation pit may adversely affect any nearby pile foundation systems. Based on a two-stage method,the Winkler model is adopted for the effect of pile-soil interaction, combing with finite difference method in the case of multi-layered soils. A specified free-field soil movement profile is used as input. Then, group pile governing equation is obtained considering the shielding effect in pile groups by simplified Mindlin's equation. In this paper, a simple analytical solution is outlined for computing the lateral response of passive pile groups subjected to excavation induced lateral soil movement. Comparisons are made between the observed behavior of boundary-element analysis, actual full-scale instrumented study,centrifuge model tests and those computed by the proposed finite difference method in the text. Generally, the present method can give a satisfactory prediction of lateral response of passive pile groups.

机译：隧道或深基坑施工中开挖引起的横向土壤运动可能会对附近的任何桩基系统产生不利影响。基于两阶段法，采用Winkler模型来分析桩土相互作用，并在多层土情况下与有限差分法相结合。指定的自由场土壤运动曲线用作输入。然后，通过简化的Mindlin方程，考虑群桩的屏蔽效应，得出群桩控制方程。在本文中，概述了一种简单的解析解决方案，用于计算受开挖引起的横向土运动的被动桩群的横向响应。对观察到的边界元素分析行为，实际的全面仪器研究，离心模型测试与通过本文提出的有限差分法计算的行为进行了比较。通常，本方法可以对被动桩的横向响应给出令人满意的预测。

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来源
《Sino-Japan Geotechnical Symposium November; 20071104-07; Chongqing(CN)》|2007年|P.749-758|共10页
会议地点 Chongqing(CN)
作者
CHENRONG ZHANG; MAOSONG HUANG; ZAO LI;
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作者单位

Department of Geotechnical Engineering, Tongji University, Shanghai 200092, China;

Department of Geotechnical Engineering, Tongji University, Shanghai 200092, China;

Department of Geotechnical Engineering, Tongji University, Shanghai 200092, China;

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原文格式 PDF
正文语种 eng
中图分类土力学、地基基础工程;
关键词
Two-Stage Method; Winkler Model; Passive Pile Group; Mindlin's Equation; Finite Difference Method;

机译：两阶段法； Winkler模型；被动桩组； Mindlin方程；有限差分法;

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专利

1. Analytical Solution for Pile Response Due to Excavation-induced Lateral Soil Movement [J] . Aijun Zhang, Haihong Mo Journal of information and computational science . 2014,第4期

机译：开挖引起的侧向土运动引起桩响应的解析解
2. Responses of piles subjected to excavation-induced vertical soil movement considering unloading effect and interfacial slip characteristics [J] . Rongjun Zhang, Junjie Zheng, Shun Yu Tunnelling and underground space technology . 2013,第juna期

机译：考虑卸荷效应和界面滑移特性的开挖引起的垂直土运动桩的响应
3. Closure to 'Behavior of Pile Groups Subject to Excavation-Induced Soil Movement in Very Soft Clay' [J] . D.E.L.Ong, C.F.Leung, Y.K.Chow Journal of geotechnical and geoenvironmental engineering . 2011,第1期

机译：对“在非常软粘土中受开挖引起的土壤运动的桩组的行为”的封闭
4. Three-Dimensional Numerical Analyses of Pile Response due to Unstrutted Excavation-Induced Lateral Soil Movement [C] . Lin Li, Guanghui Dong, Fenghui Zhang, Geoshanghai international congress . 2014

机译：非开挖引起的侧向土运动引起桩响应的三维数值分析
5. Influence of soil permeability on liquefaction-induced lateral pile response. [D] . Ramirez, Jose Manuel. 2010

机译：土壤渗透性对液化引起的侧向桩反应的影响。
6. Three-dimensional response of double anchored sheet pile walls subjected to excavation and construction sequence [O] . Massamba Fall, Zhengguo Gao, Becaye Cissokho Ndiaye 2019

机译：开挖和施工顺序对双锚板桩墙的三维响应
7. Bridge Pile Response to Lateral Soil Movement Induced by Installation of Controlled Modulus Columns [O] . Nguyen Huu Hung, Khabbaz Hadi, Fatahi Behzad, 2016

机译：受控模量柱的安装引起桥桩对横向土壤运动的响应
8. Model Tests on Single Piles Subjected to Lateral Soil Movement [R] . Poulos, H. G., Chen, L. T., Hull, T. S. 1996

机译：单桩受横向土体运动模型试验研究

LATERAL RESPONSE OF PILE GROUPS DUE TO EXCAVATION INDUCED SOIL MOVEMENTS

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