多因素分析薄壁曲线箱梁剪滞效应的力学模型  

A Mechanical Model of Thin Walled Curved Box Girder with Shear Lag Effect Based on Multi-Factor Analysis

作　　者：吴幼明[1] 罗旗帜[2] 岳珠峰[1] 熊稚军[2] 

机构地区：[1]西北工业大学工程力学系,陕西西安710072 [2]佛山科学技术学院数学系,广东佛山528000

出　　处：《中南公路工程》2007年第3期42-45,共4页Central South Highway Engineering

基　　金：国家自然科学基金资助项目(50378019;50375124;10472094);广东省自然科学基金资助项目(034066)

摘　　要：利用最小势能原理建立了考虑多因素的分析薄壁曲线箱梁剪滞效应的控制微分方程及其边界条件,为考虑多因素薄壁箱梁剪滞效应建立了理论分析基础。The governing differential equations and boundary conditions considering multi-factor of thin walled curved box girders are established by minimum potential energy principle to analyze the shear lag effect, which set the foundation of theoretical analysis of shear lag effect in thin walled box girders by muhi-factor.

关 键 词：最小势能原理 薄壁曲线箱梁 剪滞效应 模型 

分 类 号：U448.213[建筑科学—桥梁与隧道工程]