Seismic zonation of Romania based on uniform hazard response ordinates

Seismic zonation of Romania based on uniform hazard response ordinates
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基于统一灾害响应坐标的罗马尼亚地震区划

DOI：
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发表时间：
1996
期刊：
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影响因子：
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通讯作者：
A. Aldea
A. Aldea
中科院分区：
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文献类型：
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作者：
D. Lungu;T. Cornea;Iolanda Craifaleanu;A. Aldea

文献摘要

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通过对地震动峰值参数的非线性多元回归，得到了罗马尼亚Vrancea中深度震源的衰减关系。一个Joyner-Boore模型被应用到一个数据库的300多个记录从4 Vrancea事件。首次提供了100年来最大Vrancea事件的平均值和平均值加一个标准差PGA的危险图。分析了布加勒斯特软土条件（主要周期为1.5-1.6 s的窄频带记录）和摩尔达维亚土壤条件（主要周期为宽频带和中频带记录）的归一化加速度反应谱（概率为0.1和0.5）。
Attenuation relations for Vrancea intermediate depth foci in Romania were obtained through non-linear multi-regression of the peak parameters of ground motions. A Joyner-Boore model was applied to a data base of more than 300 records from 4 Vrancea events. Hazard map of the mean and mean plus one standard deviation PGA for greatest Vrancea event in 100 years is for the first time presented. The normalised acceleration response spectra having 0.1 and 0.5 probability of exceedance were analysed for the soft soil condition of Bucharest characterised by narrow frequency band records of 1.5-1.6 s long predominant period and for Moldavia soil condition characterised by broad and intermediate frequency band records.