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首页> 外文期刊>Earthquake Engineering & Structural Dynamics >Seismic hazard disaggregation in performance-based earthquake engineering: occurrence or exceedance?
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Seismic hazard disaggregation in performance-based earthquake engineering: occurrence or exceedance?

机译：基于性能的地震工程中的地震危险分类：发生还是超出？

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摘要

Seismic hazard disaggregation is commonly used as an aid in ground-motion selection for the seismic response analysis of structures. This short communication investigates two different approaches to disaggregation related to the exceedance and occurrence of a particular intensity. The impact the different approaches might have on a subsequent structural analysis at a given intensity is explored through the calculation of conditional spectra. It is found that the exceedance approach results in conditional spectra that will be conservative when used as targets for ground-motion selection. It is however argued that the use of the occurrence disaggregation is more consistent with the objectives of seismic response analyses in the context of performance-based earthquake engineering. Copyright (c) 2015 John Wiley & Sons, Ltd.
机译：地震危险度分解通常用于辅助选择地面运动，以进行结构的地震反应分析。这种简短的交流探讨了与特定强度的超出和发生有关的两种不同的分类方法。通过条件光谱的计算，探索了不同方法在给定强度下可能对后续结构分析的影响。已发现，超出方法会导致条件光谱在用作地面运动选择目标时会比较保守。但是，有人认为，在基于性能的地震工程中，使用事件分类更符合地震响应分析的目标。版权所有（c）2015 John Wiley＆Sons，Ltd.

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