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    Vehicle-Induced Lateral Vibration of Railway Bridges: An Analytical-Solution Approach

    Source: Journal of Bridge Engineering:;2016:;Volume ( 021 ):;issue: 002
    Author:
    Zhibin
    ,
    Jin
    ,
    Shiling
    ,
    Pei
    ,
    Xiaozhen
    ,
    Li
    ,
    Shizhong
    ,
    Qiang
    DOI: 10.1061/(ASCE)BE.1943-5592.0000784
    Publisher: American Society of Civil Engineers
    Abstract: The lateral vibration of railway bridges induced by moving trains has traditionally been solved through numerical integration. Although it provides practical prediction, the numerical approach does not explicitly reveal the underlying driving mechanism of the train–bridge interaction. In this paper, a closed-form solution is derived for the lateral vibration of a simply supported bridge subjected to hunting forces from running wheel sets. Through complex Fourier expansion, this solution leads to the formulation of three influential factors with explicit physical meanings, namely, the effective unit moving load on the bridge, the arrangement of all moving wheel sets, and the frequency response function of the bridge. On the basis of these factors, a simplified formula to estimate the maximum vibration of the bridge is proposed. The closed-form solution and the simplified formula are validated through comparison with results from numerical integration. The resonance conditions of the bridge due to moving hunting forces are derived using the simplified estimation.
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      Vehicle-Induced Lateral Vibration of Railway Bridges: An Analytical-Solution Approach

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/81169
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    • Journal of Bridge Engineering

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    contributor authorZhibin
    contributor authorJin
    contributor authorShiling
    contributor authorPei
    contributor authorXiaozhen
    contributor authorLi
    contributor authorShizhong
    contributor authorQiang
    date accessioned2017-05-08T22:28:21Z
    date available2017-05-08T22:28:21Z
    date copyrightFebruary 2016
    date issued2016
    identifier other46109293.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/81169
    description abstractThe lateral vibration of railway bridges induced by moving trains has traditionally been solved through numerical integration. Although it provides practical prediction, the numerical approach does not explicitly reveal the underlying driving mechanism of the train–bridge interaction. In this paper, a closed-form solution is derived for the lateral vibration of a simply supported bridge subjected to hunting forces from running wheel sets. Through complex Fourier expansion, this solution leads to the formulation of three influential factors with explicit physical meanings, namely, the effective unit moving load on the bridge, the arrangement of all moving wheel sets, and the frequency response function of the bridge. On the basis of these factors, a simplified formula to estimate the maximum vibration of the bridge is proposed. The closed-form solution and the simplified formula are validated through comparison with results from numerical integration. The resonance conditions of the bridge due to moving hunting forces are derived using the simplified estimation.
    publisherAmerican Society of Civil Engineers
    titleVehicle-Induced Lateral Vibration of Railway Bridges: An Analytical-Solution Approach
    typeJournal Paper
    journal volume21
    journal issue2
    journal titleJournal of Bridge Engineering
    identifier doi10.1061/(ASCE)BE.1943-5592.0000784
    treeJournal of Bridge Engineering:;2016:;Volume ( 021 ):;issue: 002
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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