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摩擦滑移水平隔震支座的性能试验

Keywords: 摩擦滑移,弹簧,摩擦系数,滞回,试验

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Abstract:

对一种新型的聚四氟乙烯板摩擦滑移水平隔震支座进行了性能试验,支座由聚四氟乙烯摩擦滑移装置隔震,而并联的水平弹簧使其在震后具有复位能力.试验测定了不锈钢板与聚四氟乙烯摩擦片间的摩擦系数及支座在简谐激励与地震激励下的滞回性能,并对竖向输入动压力时支座的滞回特征进行了测试.结果表明,滑移速度、竖向压力及地震激励的类别是影响摩擦系数与滞回性能的主要因素,为支座理论模型的建立提供了基础.

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