飞云江五桥施工阶段桥面系局部计算分析  

Local Calculation and Analysis of Bridge Deck System in Construction of Feiyun River Fifth Bridge

作　　者：甄玉杰[1] 宋松林[1] 冯云成[1] 

机构地区：[1]中交第一公路勘察设计研究院有限公司,陕西西安710019

出　　处：《公路工程》2015年第1期174-176,共3页Highway Engineering

摘　　要：以浙江瑞安市飞云江五桥为背景,根据圣维南原理,比较不同长度梁段的计算结果,选定4个梁段进行计算分析,采用大型有限元软件MIDAS FEA建立飞云江五桥4个梁段板单元模型,模型包含桥面板及其加劲肋、纵梁、横梁、横肋、吊杆及系杆等构件,进行施工阶段桥面吊机荷载作用下的受力计算,得出结构的位移和详细应力分布情况及稳定模态,以指导结构设计和施工安全。Based on Feiyun River fifth bridge in Ruian city of Zhejiang province,according to Saint-Venant＇s principle,selecting four section to analyze through comparing different length section＇s results,building plate finite element model of Feiyun River fifth bridge including bridge deck and its stiffening rib,stringer,floor beam,transverse rib,suspender,tie rod via large finite element software named MIDAS FEA,proceeding the calculation in the load of bridge crane in construction,giving the results of displacement and stress distribution and stability modal of the structure,having a guide for structure design and safety in construction.

关 键 词：钢桁架拱桥 正交异性板 加劲肋 板单元模型 

分 类 号：U448.224[建筑科学—桥梁与隧道工程]