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基于位移的抗震设计方法中的等效阻尼模型的研究

, PP. 134-139

Keywords: 单自由度体系,等效线性化方法,等效阻尼比,场地类别,设计分组

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Abstract:

对基于位移的抗震设计方法单自由度体系弹塑性位移计算的等效线性化方法中的等效阻尼模型进行研究。在统计分析的基础上,提出了考虑场地类别和设计地震分组的等效阻尼比公式,并与不同阻尼比公式进行了比较。对不同等效线性化方法的计算误差进行了统计分析,结果表明,本文建议的公式在预测单自由度体系位移反应方面与动力弹塑性分析结果在统计意义上吻合得最好。

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