Parametric study on shear capacity of circular-hole and long-hole perfobond shear connector

Shuangjie Zheng, Yuqing Liu, Teruhiko Yoda, Weiwei Lin

    研究成果: Article

    33 引用 (Scopus)

    抄録

    Perfobond connectors are a certain type of shear connectors used in steel and concrete composite structures. In composite bridges with narrow connector distances or shallow rib heights, it is unfavorable to enhance shear connection by using large circular-hole perfobond connectors. To solve this problem, an alternative perfobond connector was developed by making long-holes on steel rib plates. In this paper, 21 push-out specimens were fabricated and loaded to failure. The main objective was to compare the failure mode, shear capacity and slip behavior of perfobond connectors using circular-holes and long-holes. Furthermore, 87 nonlinear finite element simulations were performed to further study the effects of hole geometry and concrete strength. The parametric results were generated to evaluate the shear capacity equations for perfobond connectors. Finally, an analytical model was proposed to predict the shear strength of both circular-hole and long-hole perfobond connectors.

    元の言語English
    ページ(範囲)64-80
    ページ数17
    ジャーナルJournal of Constructional Steel Research
    117
    DOI
    出版物ステータスPublished - 2016 2 1

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    Steel
    Concretes
    Composite bridges
    Composite structures
    Shear strength
    Failure modes
    Analytical models
    Geometry

    ASJC Scopus subject areas

    • Building and Construction
    • Civil and Structural Engineering
    • Mechanics of Materials
    • Metals and Alloys

    これを引用

    Parametric study on shear capacity of circular-hole and long-hole perfobond shear connector. / Zheng, Shuangjie; Liu, Yuqing; Yoda, Teruhiko; Lin, Weiwei.

    :: Journal of Constructional Steel Research, 巻 117, 01.02.2016, p. 64-80.

    研究成果: Article

    Zheng, Shuangjie ; Liu, Yuqing ; Yoda, Teruhiko ; Lin, Weiwei. / Parametric study on shear capacity of circular-hole and long-hole perfobond shear connector. :: Journal of Constructional Steel Research. 2016 ; 巻 117. pp. 64-80.
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    abstract = "Perfobond connectors are a certain type of shear connectors used in steel and concrete composite structures. In composite bridges with narrow connector distances or shallow rib heights, it is unfavorable to enhance shear connection by using large circular-hole perfobond connectors. To solve this problem, an alternative perfobond connector was developed by making long-holes on steel rib plates. In this paper, 21 push-out specimens were fabricated and loaded to failure. The main objective was to compare the failure mode, shear capacity and slip behavior of perfobond connectors using circular-holes and long-holes. Furthermore, 87 nonlinear finite element simulations were performed to further study the effects of hole geometry and concrete strength. The parametric results were generated to evaluate the shear capacity equations for perfobond connectors. Finally, an analytical model was proposed to predict the shear strength of both circular-hole and long-hole perfobond connectors.",
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    AU - Liu, Yuqing

    AU - Yoda, Teruhiko

    AU - Lin, Weiwei

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    AB - Perfobond connectors are a certain type of shear connectors used in steel and concrete composite structures. In composite bridges with narrow connector distances or shallow rib heights, it is unfavorable to enhance shear connection by using large circular-hole perfobond connectors. To solve this problem, an alternative perfobond connector was developed by making long-holes on steel rib plates. In this paper, 21 push-out specimens were fabricated and loaded to failure. The main objective was to compare the failure mode, shear capacity and slip behavior of perfobond connectors using circular-holes and long-holes. Furthermore, 87 nonlinear finite element simulations were performed to further study the effects of hole geometry and concrete strength. The parametric results were generated to evaluate the shear capacity equations for perfobond connectors. Finally, an analytical model was proposed to predict the shear strength of both circular-hole and long-hole perfobond connectors.

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