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拓展步行荷载对楼板振动响应影响的对比研究

陈隽,叶艇,彭怡欣

Journal of Vibration and Shock（2012）

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Abstract
通过混凝土板振动响应对比分析,比较了按步频、步行时间、双支撑阶段时长、双支撑阶段时长比例等4种方法拓展步行荷载时程与基准时程的差异.并分析了步频、步行时间和双支撑阶段时长比例对拓展时程的影响.结果表明:在有准确的步频或步行时间值时,按步频或步行时间拓展时程比较合理,否则,按双支撑阶段时长比例拓展时程比较合理.
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