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不同地震动参数与地震烈度的相关性分析

DOI: 10.13197/j.eeev.2014.04.83.maq.011, PP. 83-92

Keywords: 仪器烈度,速度反应谱均值,峰值速度,相关性分析,加权最小二乘法

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Abstract:

文中利用我国大陆地区的8次破坏性地震中获取的115条强震记录及其对应的震后调查烈度资料数据,通过普通最小二乘法和加权最小二乘法建立了24种地震动参数与地震烈度的回归公式,对地震动参数与烈度间的相关性进行了对比分析。结果表明与烈度相关性最好的参数分别是5%阻尼比的水平向速度反应谱均值PSVs及峰值速度PGV。此外对本文结果与国内外类似的一些统计关系做了对比分析,以期对我国仪器烈度标准的建立提供参考。

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