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不同滑面形式FPB对平板网架结构抗震性能的影响

DOI: 10.13197/j.eeev.2014.04.201.sunmh.027, PP. 201-205

Keywords: 摩擦摆支座(FPB),平板网架,滑面形式,抗震性能,Ls-Dyna

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Abstract:

摩擦摆支座(FPB)是一种目前常用的隔震支座,经过国内外学者多年研究与工程人员的长期实践发现,FPB能够有效地降低结构在地震作用下的动力响应,并且不同滑面形式的FPB对结构的隔震效果也不同。本文将FPB应用到平板网架结构中,应用Ls-Dyna有限元软件建立平板网架模型及三种不同滑面形式(球面、抛物面、悬链面)的FPB实体模型,通过分析数值结果可以得到不同滑面形式FPB对平板网架抗震性能的影响规律,为摩擦摆支座在平板网架结构中的应用提供了参考依据。

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