方形基础底板与地基接触应力分布及其表示函数的特性分析  

Contact stress distribution between square foundation baseboard and groundwork and the characteristics of its represention function

作　　者：李爱民[1] 程华虎[1] 万邵华[1] 李旻慧 

机构地区：[1]南昌大学工程力学研究所,江西南昌330031

出　　处：《南昌大学学报（理科版）》2013年第5期496-501,共6页Journal of Nanchang University(Natural Science)

基　　金：国家自然科学基金资助项目(11172122;51268043);江西省赣鄱英才555工程项目

摘　　要：分别从对称和反对称荷载作用下构造出四边自由方形基础底板与地基接触应力分布的函数表达式,通过有限元分析软件ANSYS进行数值模拟。根据有限元数值解与接触应力函数的拟合结果,说明所提出的接触应力函数能较好的反映实际接触应力分布,而且适合不同宽高比的基础底板。The function expressions of contact stress distribution between four-side free square foundation baseboard and groundwork was constructed from the symmetric and antisymmetric load function,respectively.We used the finite element analysis software ANSYS to do the numerical simulations.The fitting results showed that the proposed contact stress function could better reflect the actual contact stress distribution,and also would be suitable for the foundation baseboards of different width height ratios.

关 键 词：方形基础底板 接触应力 宽高比 数值模拟 拟合 

分 类 号：TU470[建筑科学—结构工程]