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墙式组合型金属阻尼器的有限元分析与工程应用研究

, PP. 174-181

Keywords: 组合型金属阻尼器,有限元分析,工程实例

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Abstract:

提出一种新型的耗能稳定的墙式组合型金属阻尼器,能够提供充足的开放空间与开口需求,提高建筑结构抗震能力的同时增加了建筑物使用舒适度。文中利用通用有限元软件ANSYS研究了其在不同位移幅值下的力学性能,探讨了阻尼器初始刚度与铅块金属厚度的关系,并结合工程实例分析论述了该类型阻尼器的耗能减震效果。非线性时程分析结果表明,该阻尼器小震下可提供较大附加刚度和阻尼,有效减小结构的水平变形的同时改善了结构在地震作用下的内力,大震下滞回曲线饱满,耗能稳定,有效地保护了结构构件。

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