层间隔震结构的非线性随机地震反应分析
DOI: 10.13204/j.gyjz200905003, PP. 11-15
Keywords: 层间隔震,随机地震,非线性,参数分析
Abstract:
采用非平稳的Kanai-Tajimi随机地震模型来描述实际的地面运动，利用Bouc-Wen光滑型滞变恢复力模型模拟隔震层和实际结构的本构特性，通过随机等效线性化方法对层间隔震结构的非线性双质点简化模型进行了参数敏感性分析。结果表明层间隔震结构主要以改变结构的自振特性和通过隔震层的耗能来达到减震的目的，随着质量比的变化，减震机理的侧重点又有所不同。
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