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A seismic risk classification framework for non-structural elements
Bulletin of Earthquake Engineering ( IF 4.6 ) Pub Date : 2021-07-13 , DOI: 10.1007/s10518-021-01177-y
Gerard J. O’Reilly 1 , Gian Michele Calvi 1
Affiliation  

The ability to quantify the seismic risk associated with structural and non-structural elements is a critical aspect of earthquake engineering. While methods to improve the understanding of structural response to earthquake shaking and how to quantify their risk have been studied, non-structural elements (NSEs) have more recently emerged as a crucial aspect to address given their pertinence in overall building performance and loss-related issues. This article describes the development of a risk quantification methodology for NSEs whereby the mean annual frequency of exceeding an NSE’s damage state is computed and rated as part of a risk classification scheme using recently developed approaches. The basis of the methodology is described in detail followed by an example implementation, where the details surrounding hazard, structural and non-structural response are quantified consistently, ensuring that uncertainties are also incorporated to be in line with modern performance-based earthquake engineering. Discussion is provided surrounding the potential future use of such an NSE risk classification scheme for both structural engineers looking to improve the performance of their buildings via NSE performance and also manufacturers.



中文翻译:

非结构元素的地震风险分类框架

量化与结构和非结构元素相关的地震风险的能力是地震工程的一个关键方面。虽然已经研究了提高对地震震动的结构响应的理解以及如何量化其风险的方法,但鉴于非结构元素 (NSE) 在整体建筑性能和与损失相关的相关性方面的相关性,最近它们已成为解决问题的关键方面问题。本文描述了 NSE 风险量化方法的开发,其中使用最近开发的方法计算超出 NSE 损坏状态的平均年频率并将其作为风险分类方案的一部分进行评级。详细描述了该方法的基础,然后是一个示例实现,其中围绕危险的详细信息,结构和非结构响应被一致地量化,确保不确定性也被纳入以符合现代基于性能的地震工程。围绕这种 NSE 风险分类方案的潜在未来用途进行了讨论,结构工程师和制造商都希望通过 NSE 性能来提高其建筑物的性能。

更新日期:2021-07-13
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