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从R-μ-T关系研究成果看我国钢筋混凝土结构的抗震措施

, PP. 144-151

Keywords: R-μ-T关系,R-μ基本准则,抗震措施,性态控制

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Abstract:

本文在归纳整理国内外单自由度非弹性体系R-μ-T规律的研究成果和多自由度非弹性体系R-μ规律研究成果的基础上,强调了在建筑结构传统抗震设计方法中选择合适的地震力降低系数R和严格程度与其对应的抗震措施是在抗震设计中实现设防目标,特别是实现强震下性态控制的核心手段。在就这一核心手段对各国抗震设计规范进行对比后发现,国外规范无一例外地遵循了R-μ基本准则,只有我国建筑抗震设计多年来采用相同的R值,但抗震措施从9度区到7度区逐级下降,不符合R-

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