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新型铅剪切阻尼器的数值模拟试验研究

Keywords: 耗能减震,铅阻尼器,梁柱节点

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Abstract:

铅剪切阻尼器是一种耗能性能优越、构造简单而又十分经济的结构减震控制装置.为提高梁柱节点的耗能能力,本文开发了一种具有变形放大功能的转动式铅剪切阻尼器,利用ANSYS软件对该阻尼器进行了数值模拟分析,研究了铅块高度和宽度对其性能的影响;通过低周往复荷载试验,同时,还研究了振幅、频率、荷载循环次数、去掉对该阻尼器性能的影响.结果表明,这种新型转动式铅剪切阻尼器滞回曲线饱满、性能稳定.

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