铁路波纹钢腹板箱梁矮塔斜拉桥方案设计和波纹钢腹板受力行为  

A Design of Railway Extradosed Bridge with Corrugated Steel Webs Girder and Behaviors of Its Webs

作　　者：苟超[1] 郑凯锋[1] 

机构地区：[1]西南交通大学土木工程学院

出　　处：《河北交通职业技术学院学报》2009年第4期38-41,共4页Journal of Hebei Jiaotong Vocational and Technical College

摘　　要：首次在铁路矮塔斜拉桥主梁中采用波纹钢腹板箱梁,对这一新型结构型式进行了方案设计和全桥有限元静力计算,着重分析了波纹钢腹板的应力情况,并对其局部、整体和组合三种剪切屈曲模式进行验算分析,给出其应力分布规律和受力特点。In thi s paper,a design of extradosed bridge with corrugated steel webs,the first attempt in railway bridge,was made,spatial finite element static analysis and local,global and interactive shear buckling analysis were done,and the distribution of stress and behaviors under loading were given.

关 键 词：波纹钢腹板 铁路矮塔斜拉桥 有限元分析 剪切屈曲 

分 类 号：U448.13[建筑科学—桥梁与隧道工程] U448.27[交通运输工程—道路与铁道工程]