Prestress Effect of Composite Girder Bridge with Corrugated Steel Webs

机译：波形钢腹板组合梁桥的预应力效应

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The joints connecting corrugated steel webs and concrete slabs are significant to the structuralrnbehaviour of composite girder bridges. Flanged Connection, Embedded Connection and WrappingrnConnection were compared and discussed. Both global and local prestress effects were analysed onrnthe basis of finite element method. The numerical results indicated that composite girder bridgesrnwith corrugated steel webs could save 20% of the tendons applied in concrete girder bridges. Thernglobal prestress efficiency could hardly be affected by using different web-slab joints. To ensure thernconcrete slab's durability in Serviceability Limit State (SLS), precise analysis should be performedrnto evaluate the local stress concentration of the connections. The results indicated that the WrappingrnConnection had favourable structural behaviour under prestressing, with high global prestressrnefficiency and low stress concentration at the web-slab joint.

机译：波纹钢腹板和混凝土板的连接处对于复合梁桥的结构性能具有重要意义。比较并讨论了法兰连接，嵌入式连接和包装连接。基于有限元方法分析了整体和局部预应力效应。数值结果表明，波纹钢腹板复合梁桥可节省20％的混凝土梁桥筋。使用不同的腹板-平板节点几乎不会影响整体预应力效率。为了确保混凝土板在使用极限状态（SLS）中的耐久性，应进行精确分析以评估连接处的局部应力集中。结果表明，WrappingrnConnection在预应力作用下具有良好的结构性能，整体预应力效率高，腹板-板节点的应力集中度低。

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来源
《Innovative infrastructures - toward human urbanism : Report》|2012年|1-7|共7页
会议地点 Seoul(KR)
作者
Shuangjie ZHENG; Yuqing LIU; Jun HE; Zhaofei LIN;
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作者单位

Tongji University Shanghai, China Shuangjie.ZHENG@gmail.com;

Tongji University Shanghai, China yql@tongji.edu.cn;

Tongji University Shanghai, China frankhejun@gmail.com;

Tongji University Shanghai, China Zhaofei_LIN@163.com;

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原文格式 PDF
正文语种 eng
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关键词
composite girder bridge; corrugated steel webs; prestress efficiency; joint; finite element analysis;

机译：组合梁桥；波纹钢腹板；预应力效率；节点；有限元分析;

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1. A bridge safety monitoring system for prestressed composite box-girder bridges with corrugated steel webs based on in-situ loading experiments and a long-term monitoring database [J] . Sung Yu-Chi, Lin Tzu-Kang, Chiu Yi-Tsung, Engineering Structures . 2016,第nova1期

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2. A Comparative Analysis of Web Buckling Resistance: Steel Plate Girders – Girders with Corrugated WebsA Comparative Analysis of Web Buckling Resistance: Steel Plate Girders – Girders with Corrugated We [J] . C?t?lin Moga, Alexandra-Denisa Danciu, Mircea Suciu Bulletin of the Polytechnic Institute of Jassy, Constructions, Architechture Section . 2013,第1期

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4. Prestress Effect of Composite Girder Bridge with Corrugated Steel Webs [C] . Shuangjie ZHENG, Yuqing LIU, Jun HE, Innovative infrastructures-toward human urbanism . 2012

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5. Prestressed composite girders with corrugated steel webs. [D] . El Metwally, Ahmed Salah. 1998

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Prestress Effect of Composite Girder Bridge with Corrugated Steel Webs

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