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    題名: Mitigation of Resonance for High Speed Train-bridge Systems Considering Overhanging Beam Effects
    作者: Liu, L. Y.;Yau, J. D.;Zeng, F.;Wang, W. D.
    關鍵詞: High Speed Rail;Interaction Dynamics;Overhanging Beam;Resonance;VBI Dynamics;Vibration Reduction
    日期: 2016-09
    上傳時間: 2017-01-03 09:13:47 (UTC+8)
    出版者: 淡江大學出版中心
    摘要: Short overhanging beams usually exist at both ends of a simply supported bridge. As a train
    passes through the overhanging beams of the bridge at high speeds, the overhanging beams would be
    subjected to intensive vibrations, from which the dynamic response of the train-bridge system would
    be built up. To mitigate the amplified response of the train-bridge system due to the overhanging beam
    effects, an end rotational spring to restrain the relative rotations is equipped between the free ends of
    the adjacent beams. By the vehicle-bridge interaction finite element analysis, the numerical studies
    indicated that the overhanging beams play a key role in amplifying the response of the train-bridge
    system. Even so, the proposed end restraintscan reduce the amplified response of the VBI system
    significantly
    關聯: Journal of Applied Science and Engineering 19(3), pp.259-266
    DOI: 10.6180/jase.2016.19.3.03
    顯示於類別:[淡江理工學刊] 第19卷第3期

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