超宽双幅箱梁桥的力学行为研究  

A Research of Mechanic Characteristics on the Continuous Flange-Linked Binal Box-Girder Bridge

作　　者：陈从春[1] 丁文胜[1] 

机构地区：[1]上海应用技术学院城市建设与安全工程学院,上海200235

出　　处：《上海应用技术学院学报（自然科学版）》2011年第4期286-289,324,共5页Journal of Shanghai Institute of Technology: Natural Science

基　　金：上海市教委重点学科建设项目(J51502);上海应用技术学院博士科研启动项目(YJ2007-12)

摘　　要：某连续梁桥桥宽36.0 m,采用双箱断面,两箱之间不设横隔梁,仅翼板连接。通过建立空间模型,分析了这种翼板连接宽桥的受力特点。理论分析和成桥试验均表明翼板连接箱梁与分离式双箱梁相比较,由于增加横向约束,挠度减少明显,整体受力性能较好。A continuous beam bridge has a 36.0 m wide deck with two box-girders whose flange is linked instead of crossbeam.Mechanic characteristics is analyzed on the bridges by building spatial models.Compared with seperated pair of box girder,the flange-linked bridge integrity is in good condition and its deflection is decreased obviously because of the increased lateral restraint,which was proved by theoretical analysis and bridge test.

关 键 词：连续梁 箱梁 横梁 翼板 连接 分离 挠度 

分 类 号：U441[建筑科学—桥梁与隧道工程]