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    Tsunami Forces on a Coastal Bridge Deck with a Box Girder

    Source: Journal of Bridge Engineering:;2019:;Volume ( 024 ):;issue: 009
    Author:
    Bo Huang
    ,
    Lunliang Duan
    ,
    Zhiying Yang
    ,
    Jiawei Zhang
    ,
    Azhen Kang
    ,
    Bing Zhu
    DOI: 10.1061/(ASCE)BE.1943-5592.0001447
    Publisher: American Society of Civil Engineers
    Abstract: In this paper, the solitary wave forces on coastal bridge superstructures with box girders are discussed numerically. Although there are some empirical equations for wave forces on typical bridge superstructures, no relation has yet been proposed for predicting the tsunami-induced forces on box girder superstructures due to the lack of knowledge of wave forces on these kinds of superstructures. In this study, first, a solitary wave model was utilized to represent the tsunami. Then, the Reynolds-averaged Navier-Stokes equations combined with the shear stress transport (SST) k-ω turbulence model were utilized for the wave simulations. Additionally, the horizontal and vertical forces on the bridge superstructures were simulated, taking into account four water depths and five wave heights for each bridge elevation. The effectiveness of the numerical model was proven by a comparison with the experimental measurements. The numerical results showed that the difference in wave forces acting on T-type girders and box girders was significant. Finally, an improved empirical equation was proposed for estimating the tsunami-induced forces on box girder bridges.
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      Tsunami Forces on a Coastal Bridge Deck with a Box Girder

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4259515
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    contributor authorBo Huang
    contributor authorLunliang Duan
    contributor authorZhiying Yang
    contributor authorJiawei Zhang
    contributor authorAzhen Kang
    contributor authorBing Zhu
    date accessioned2019-09-18T10:37:27Z
    date available2019-09-18T10:37:27Z
    date issued2019
    identifier other%28ASCE%29BE.1943-5592.0001447.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4259515
    description abstractIn this paper, the solitary wave forces on coastal bridge superstructures with box girders are discussed numerically. Although there are some empirical equations for wave forces on typical bridge superstructures, no relation has yet been proposed for predicting the tsunami-induced forces on box girder superstructures due to the lack of knowledge of wave forces on these kinds of superstructures. In this study, first, a solitary wave model was utilized to represent the tsunami. Then, the Reynolds-averaged Navier-Stokes equations combined with the shear stress transport (SST) k-ω turbulence model were utilized for the wave simulations. Additionally, the horizontal and vertical forces on the bridge superstructures were simulated, taking into account four water depths and five wave heights for each bridge elevation. The effectiveness of the numerical model was proven by a comparison with the experimental measurements. The numerical results showed that the difference in wave forces acting on T-type girders and box girders was significant. Finally, an improved empirical equation was proposed for estimating the tsunami-induced forces on box girder bridges.
    publisherAmerican Society of Civil Engineers
    titleTsunami Forces on a Coastal Bridge Deck with a Box Girder
    typeJournal Paper
    journal volume24
    journal issue9
    journal titleJournal of Bridge Engineering
    identifier doi10.1061/(ASCE)BE.1943-5592.0001447
    page04019091
    treeJournal of Bridge Engineering:;2019:;Volume ( 024 ):;issue: 009
    contenttypeFulltext
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