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关于Nakamura方法有效性的讨论

, PP. 43-48

Keywords: Nakamura方法,传递函数,H/V谱比

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Abstract:

1989年,日本学者中村(Nakamura)提出了一种基于同一地表测点地脉动水平分量与竖向分量傅里叶幅值谱比值(H/Vratio)来估计场地特征的方法,即所谓的Nakamura方法。该方法及其成立的两个前提条件近些年一直是国内外研究人员争议的对象。本文通过唐山响?局部场地影响台阵获取的脉动与弱震加速度记录的统计分析和对比,对该方法及其成立的两个前提条件的合理性进行了讨论,并提出了一些可供参考的建议。

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