地震动衰减关系。
研究内容主要包括地震烈度衰减关系和基岩地震动衰减关系。
And then the seismic intensity attenuation relations along major axis, minor axis and mean axis are established separately.
地震动衰减关系是地震区划和重大工程场地地震安全性评价的重要内容。
The seismic ground motion attenuation relationship is an important content in seismic zonation and seismic safety evaluation of engineering sites for key projects.
对距离参数进行了修正，使地震动衰减和烈度衰减关系中的距离参数的定义尽可能保持一致。
The revised parameter has been adopted so as to maintain definition of distance parameter of seismic ground motion consistent with intensity attenuation relationship as far as possible.
本文主要讨论潜在震源区地震参数的确定、地震动衰减规律的预测以及地震发生模式的选定。
In this paper, we mainly discuss the determination of specific parameters of potential sources, the prediction of attenuation laws of ground shock and the selection of occurrence model of earthquake.
借用美国西部地区的地震动衰减资料，用转换的方法分析确定了山西地区的地震动参数衰减关系。
Using the data of ground motion attenuation of west America and the method of conversion, the author has analysed and determined the equation of ground motion attenuation in Shanxi.
提出了在利用微震观测资料、构造分析、重现期和地震动衰减估计、以及建立统计模型等方面可以深入研究的内容。
Some topics are proposed for in-depth studies by using microseismic data, tectonic analysis, evaluations of recurrence periods and ground shaking attenuations and statistical models.
文章最后给出了美国西部考虑震源破裂方向的地震动峰值加速度和均方根加速度的衰减关系。
Finally, the formulas of PGA and RMS accelerations attenuation dependent on the rupture direction of the seismic source are presented for the Western United States.
地震动能量衰减规律的统计分析。
结果表明，建议的方法能反映近场强震地震动饱和的效应和大震远场衰减的特点。
The results indicate that the presented method could illuminate the saturation effect in near field and attenuating characteristics of strong ground motion in far field from large earthquake.
本文结果也可供推导我国其它地区的地震动参数衰减规律时参考。
Results of this paper can be used as reference for estimation of attenuation law of ground motion parameters in other regions of China.
本文结果也可供推导我国其它地区的地震动参数衰减规律时参考。
Results of this paper can be used as reference for estimation of attenuation law of ground motion parameters in other regions of China.
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