对新西兰抗震设计方法的思考

D. Kirkcaldie
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引用次数: 1

摘要

强调了NZS 1170.5[1]和其他一些标准的明显缺陷,并提出了改进的建议。在避免结构倒塌的极限状态下,实现生命安全的主要目标是一个特别的重点。评论的主题领域包括:抗震设计的目标,特别是避免结构倒塌的目标,当前建筑物重要性等级分类的适当性,设计地震危险谱要求的通用性和充分性,结构性能因素的合理性和应用,基于力和基于位移的分析和设计方法,考虑位移效应,以及在避免倒塌的极限状态下对位移的影响实现可修复性结构钢和钢筋材料标准中存在的一些不足考虑场地条件;以及沿海地区的海啸风险新西兰设计要求与其他主要设计规范的可比性。
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Reflections on New Zealand’s earthquake resistant design approach
Perceived shortcomings in NZS 1170.5 [1] and some other Standards are highlighted and areas for improvement are suggested. A particular focus is placed on achieving the principal objective of achieving life safety at the limit state at which structural collapse is to be avoided. Topic areas commented on include: The objectives of earthquake resistant design, especially that of avoiding the collapse of structures The appropriateness of current classifications of buildings into importance levels The currency and adequacy of the design seismic hazard spectra requirements The justification for, and application of, a structural performance factor The force-based and displacement-based methods of analysis and design, and the effects of plastic hinging relieving member permanent load moments at plastic hinges adjacent to points of support Consideration of displacement effects, and effects on displacements, at the limit state at which collapse is to be avoided Achieving reparability Some shortcomings in the material Standards for both structural steel and reinforcing steel Consideration of site conditions, and in coastal locations the tsunami risk Comparability of New Zealand design requirements with other major design codes.
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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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