Seismic design of acceleration-sensitive non-structural elements in New Zealand: State-of-practice and recommended changes

M. Rashid, R. Dhakal, T. Sullivan
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引用次数: 6

Abstract

Acceleration-sensitive non-structural elements not only constitute a significant portion of a building’s component inventory, but also comprise components and systems that are indispensable to the operational continuity of essential facilities. In New Zealand, Section 08 of the seismic loadings standard, NZS 1170.5: Earthquake Actions, and a dedicated standard, NZS 4219: Seismic Performance of Engineering Systems in Buildings, address the seismic design of non-structural elements. This paper scrutinizes the design provisions for acceleration-sensitive non-structural elements in NZS 1170.5 and NZS 4219, and provides an international perspective by comparing with the design provisions for non-structural elements specified in ASCE 7-16, the latest ATC approach and Eurocode 8. This is followed by a detailed discussion on the improvements required for component demand estimation, the need for design criteria that are consistent with performance objectives, definition of realistic ductility factors, and recommendations for the future way forward in the form of an improved design procedure and its application through a new seismic rating framework.
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新西兰加速度敏感非结构构件的抗震设计:实践现状和建议的变化
加速度敏感的非结构元件不仅构成了建筑物组件清单的重要部分,而且还包括对基本设施的运行连续性不可或缺的组件和系统。在新西兰,地震荷载标准第08节NZS 1170.5:地震作用,以及专门的标准NZS 4219:建筑工程系统的抗震性能,涉及非结构元件的抗震设计。本文详细审查了NZS 1170.5和NZS 4219中对加速度敏感的非结构元件的设计规定,并通过与ASCE 7-16、最新的ATC方法和欧洲规范8中规定的非结构元件的设计规定进行比较,提供了一个国际视角。随后详细讨论了组件需求评估所需的改进,与性能目标一致的设计标准的需求,现实延性因素的定义,以及以改进设计程序的形式提出的未来发展方向的建议,并通过新的地震等级框架将其应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
2.50
自引率
17.60%
发文量
14
期刊最新文献
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