IMECH-IR  > 环境力学重点实验室(2009-2011)
Alternative TitleInfluences of pile foundation soil on structural internal force in high-pile pier
乔保娟; 刘天苹; 李世海; 林青; 侯岳峰
Source Publication水运工程
Other AbstractAccording to the soil parameters from the survey report and the structural construction drawings of a high-pile pier in Guangzhou,this paper establishes a three-dimensional finite element model of the high-pile pier,including the platform,piles,and soil.The surface-to-surface contact model is used on the pile-soil interface,and it allows separation and slip on the interface.The normal pressure and friction from the soil to the piles are reflected by the contact stress.This paper analyzes and figures out the stress fields and displacement fields of the high-pile pier,as well as the axial force diagram and moment curve of single pile,under various load combinations.Further,this paper compares the finite element method results with the traditional inserting point method results,taking Fenghai high-pile pier computing program for example.The differences of the axial force diagram and moment curve of single pile of both methods are found out and analyzed.Specifically,the impacts of the pile foundation soil on the structure are analyzed.Meanwhile,this paper finds out the pile which has the maximum internal force and the position where the extremum bending moment and axis force appears in a single pile,and provides some modifications and supplements for the results of the traditional inserting point method,which may provide references for structural design of high-pile pier.
Keyword高桩墩台 有限元 三维受力分析 桩土作用
Subject Area力学
Funding Organization国家重点基础研究发展计划(973)项目(2010CB731500);国家自然科学基金重点项目(10632100);中国科学院重要方向性项目(KJCX2-YW-L01)
Document Type期刊论文
Corresponding Author乔保娟
Recommended Citation
GB/T 7714
乔保娟,刘天苹,李世海,等. 高桩墩台桩土共同作用对结构内力的影响[J]. 水运工程,2011(8):115-121.
APA 乔保娟,刘天苹,李世海,林青,&侯岳峰.(2011).高桩墩台桩土共同作用对结构内力的影响.水运工程(8),115-121.
MLA 乔保娟,et al."高桩墩台桩土共同作用对结构内力的影响".水运工程 .8(2011):115-121.
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