Reducing Coupling Behavior of Floor System of a Long-Span Steel Truss Bridge with Stiffening Chords

机译：减低弦大跨度钢桁架桥楼板系统的耦合行为

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For a long span steel truss bridge with stiffening chords, the coupling behavior between the floor system and the main trusses was identified and anayzed in this paper. For reducing the out-of-plane bending of the floorbeams, two assembly schemes were proposed for fastening down the longitudial stringers and longitudinal bracings on floorbeams, in addition to the conventional construction method. Based on detailed FE analysis of those three assembly schemes, a reasonable solution was determined, which suggest temporarily removing those constraints between floorbeams, stringers, bracings and deck slab.

机译：对于具有加劲弦的大跨度钢桁架桥，本文确定并分析了楼板系统与主桁架之间的耦合行为。为了减少地板横梁的平面外弯曲，除了常规的构造方法之外，还提出了两种组装方案，用于将纵向纵梁和纵向支柱固定在地板横梁上。根据对这三种装配方案的详细有限元分析，确定了合理的解决方案，建议暂时消除楼板，纵梁，支撑和甲板之间的约束。

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来源
《Proceedings of the 9th China-Korea-Japan Symposium on Structural Steel Construction》|2007年|55-58|共4页
会议地点 Beijing(CN)
作者
MA Qingzhi; rnTIAN Wenli;
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作者单位

ZHENG Kaifeng@Southwest Jiaotong University,Chengdu China 610031--WU Zhenwang@Southwest Jiaotong University,Chengdu China 610031--WEN Shudong@Southwest Jiaotong University,Chengdu China 610031--LI Huaiguang@Southwest Jiaotong University,Chengdu China 610031--;

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原文格式 PDF
正文语种 eng
中图分类 TF762.1;
关键词
steel truss bridge; floor system; coupling behavior;

机译：钢桁架桥；地板体系；耦合特性;

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Reducing Coupling Behavior of Floor System of a Long-Span Steel Truss Bridge with Stiffening Chords

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