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    Train-Induced Vibration Control of High-Speed Railway Bridges Equipped with Multiple Tuned Mass Dampers

    Source: Journal of Bridge Engineering:;2005:;Volume ( 010 ):;issue: 004
    Author:
    C. C. Lin
    ,
    J. F. Wang
    ,
    B. L. Chen
    DOI: 10.1061/(ASCE)1084-0702(2005)10:4(398)
    Publisher: American Society of Civil Engineers
    Abstract: This paper deals with the applicability of multiple tuned mass dampers (MTMDs) to suppress train-induced vibration on bridges. A railway bridge is modeled as an Euler-Bernoulli beam and a train is simulated as a series of moving forces, moving masses, or moving suspension masses. According to the train load frequency analysis, resonant effects will occur as the modal frequencies of a bridge are close to the multiple of the impact frequency of the train load to the bridge. An MTMD system is then designed to alter the bridge dynamic characteristics to avoid excessive vibrations. Numerical results from simply supported bridges of the Taiwan High-Speed Railway (THSR) under real trains show that the proposed MTMD is more effective and reliable than a single TMD in reducing dynamic responses during resonant speeds, as the train axle arrangement is regular. It is also found that the inner space of a bridge box-girder of the THSR is wide and deep enough for installation and movement of MTMDs.
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      Train-Induced Vibration Control of High-Speed Railway Bridges Equipped with Multiple Tuned Mass Dampers

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/50843
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    • Journal of Bridge Engineering

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    contributor authorC. C. Lin
    contributor authorJ. F. Wang
    contributor authorB. L. Chen
    date accessioned2017-05-08T21:25:19Z
    date available2017-05-08T21:25:19Z
    date copyrightJuly 2005
    date issued2005
    identifier other%28asce%291084-0702%282005%2910%3A4%28398%29.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/50843
    description abstractThis paper deals with the applicability of multiple tuned mass dampers (MTMDs) to suppress train-induced vibration on bridges. A railway bridge is modeled as an Euler-Bernoulli beam and a train is simulated as a series of moving forces, moving masses, or moving suspension masses. According to the train load frequency analysis, resonant effects will occur as the modal frequencies of a bridge are close to the multiple of the impact frequency of the train load to the bridge. An MTMD system is then designed to alter the bridge dynamic characteristics to avoid excessive vibrations. Numerical results from simply supported bridges of the Taiwan High-Speed Railway (THSR) under real trains show that the proposed MTMD is more effective and reliable than a single TMD in reducing dynamic responses during resonant speeds, as the train axle arrangement is regular. It is also found that the inner space of a bridge box-girder of the THSR is wide and deep enough for installation and movement of MTMDs.
    publisherAmerican Society of Civil Engineers
    titleTrain-Induced Vibration Control of High-Speed Railway Bridges Equipped with Multiple Tuned Mass Dampers
    typeJournal Paper
    journal volume10
    journal issue4
    journal titleJournal of Bridge Engineering
    identifier doi10.1061/(ASCE)1084-0702(2005)10:4(398)
    treeJournal of Bridge Engineering:;2005:;Volume ( 010 ):;issue: 004
    contenttypeFulltext
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