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Behavior of a CFT Truss Girder with Precast Decks under Negative Bending Moment

机译:负弯矩下带预制甲板的CFT桁架梁的行为

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摘要

For the fast construction of bridges, it is necessary to design bridges as light and modular superstructures. For this purpose, a new composite bridge constructed by segmental method is suggested, which consists of concrete filled steel tubular girders and prefabricated concrete decks (Kim 2010). This paper presents a study of the structural behavior of the proposed CFT truss girder at a continuous under negative bending moment. A numerical analysis is performed to verify the structural behaviors of CFT truss girder in continuous support. Based on the results of a numerical analysis, a model with a continuous composite member shape is fabricated and static tests are conducted.
机译:为了快速建造桥梁,有必要将桥梁设计为轻型和模块化的上部结构。为此,提出了一种采用分段方法建造的新型复合桥,该桥由填充混凝土的钢管大梁和预制混凝土面板组成(Kim 2010)。本文介绍了所提出的CFT桁架梁在负弯矩连续作用下的结构行为。进行了数值分析,以验证连续支撑下CFT桁架梁的结构性能。基于数值分析的结果,制造了具有连续复合构件形状的模型,并进行了静态测试。

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  • 来源
  • 会议地点 North Queensland(AU)
  • 作者单位

    Daewoo Institute of Construction Technology, Suwon 440-210, Korea;

    Daewoo Institute of Construction Technology, Suwon 440-210, Korea;

    Daewoo Institute of Construction Technology, Suwon 440-210, Korea;

    Daewoo Institute of Construction Technology, Suwon 440-210, Korea;

    Dankook Univ., Youngin 448-701, Korea;

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  • 正文语种 eng
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