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    Experimental and Numerical Evaluation of the Effect of Rail on the Behavior of Girder Bridges

    Source: Journal of Bridge Engineering:;2022:;Volume ( 027 ):;issue: 010::page 04022098
    Author:
    Yao Wang
    ,
    Mirela D. Tumbeva
    ,
    Ashley P. Thrall
    ,
    Prince Baah
    ,
    Stephanie Wagner
    DOI: 10.1061/(ASCE)BE.1943-5592.0001920
    Publisher: ASCE
    Abstract: This paper experimentally and numerically evaluates the participation of bridge rail in carrying live load through (1) performing field testing on steel and prestressed concrete girder bridges; (2) developing validated finite-element numerical models; and (3) performing parametric numerical investigations. The focus is on composite, steel and prestressed concrete multigirder bridges with an intact reinforced concrete rail that is integral to the deck. Measured data indicate that rails participate in carrying the live load, that gaps in rail in the positive moment region increase the strain in exterior girders, and that composite behavior is not fully developed near abutments. The parametric study on two- and three-span continuous steel and prestressed concrete girder bridges indicated the effect of different rail sections on behavior, that a discontinuity in rail at piers has negligible impact on positive moment behavior, and that a skew (up to 30°) also has negligible impact on positive moment behavior. This paper culminates in recommendations to evaluate girder bridges considering rail participation.
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      Experimental and Numerical Evaluation of the Effect of Rail on the Behavior of Girder Bridges

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4287792
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    contributor authorYao Wang
    contributor authorMirela D. Tumbeva
    contributor authorAshley P. Thrall
    contributor authorPrince Baah
    contributor authorStephanie Wagner
    date accessioned2022-12-27T20:40:52Z
    date available2022-12-27T20:40:52Z
    date issued2022/10/01
    identifier other(ASCE)BE.1943-5592.0001920.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4287792
    description abstractThis paper experimentally and numerically evaluates the participation of bridge rail in carrying live load through (1) performing field testing on steel and prestressed concrete girder bridges; (2) developing validated finite-element numerical models; and (3) performing parametric numerical investigations. The focus is on composite, steel and prestressed concrete multigirder bridges with an intact reinforced concrete rail that is integral to the deck. Measured data indicate that rails participate in carrying the live load, that gaps in rail in the positive moment region increase the strain in exterior girders, and that composite behavior is not fully developed near abutments. The parametric study on two- and three-span continuous steel and prestressed concrete girder bridges indicated the effect of different rail sections on behavior, that a discontinuity in rail at piers has negligible impact on positive moment behavior, and that a skew (up to 30°) also has negligible impact on positive moment behavior. This paper culminates in recommendations to evaluate girder bridges considering rail participation.
    publisherASCE
    titleExperimental and Numerical Evaluation of the Effect of Rail on the Behavior of Girder Bridges
    typeJournal Article
    journal volume27
    journal issue10
    journal titleJournal of Bridge Engineering
    identifier doi10.1061/(ASCE)BE.1943-5592.0001920
    journal fristpage04022098
    journal lastpage04022098_16
    page16
    treeJournal of Bridge Engineering:;2022:;Volume ( 027 ):;issue: 010
    contenttypeFulltext
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