期刊文献+

大跨度曲线人行桥人致振动分析与耦合振动控制研究 被引量:6

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摘要 随着人们对城市景观以及桥梁美学的不断追求,人行拱桥跨度不断增加、结构趋于复杂,因此该类桥梁人致振动问题日显突出。该文以北水湾人行桥为工程实例,研究了该桥的动力特性,对人致振动响应理论分析结果进行了舒适度评价,采用调谐质量阻尼器(TMD)探讨和比较了大跨度曲线人行拱桥竖、横向耦合人致振动控制方案。结果表明:此类桥梁具有频率低、振动耦合现象显著的特点,需对其人致振动进行减振控制;理论分析和现场实测证明采用一个4t竖向TMD可控制其两个方向的耦合振动,控制措施有效。
出处 《中外公路》 北大核心 2016年第4期225-230,共6页 Journal of China & Foreign Highway
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参考文献14

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