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轻型钢结构风灾易损性概率分析 被引量:18
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作者 赵明伟 顾明 《中南大学学报(自然科学版)》 EI CAS CSCD 北大核心 2012年第9期3609-3618,共10页
针对中国典型轻型钢结构建筑,提出风灾易损性的概率分析方法。荷载概率模型考虑屋面板自身重力、围护结构风压、飞掷物冲击破坏,提出屋面板、墙面板、外门窗的抗风承载力概率模型,建议构件风灾破坏的判定准则,给出轻型钢结构的风灾破坏... 针对中国典型轻型钢结构建筑,提出风灾易损性的概率分析方法。荷载概率模型考虑屋面板自身重力、围护结构风压、飞掷物冲击破坏,提出屋面板、墙面板、外门窗的抗风承载力概率模型,建议构件风灾破坏的判定准则,给出轻型钢结构的风灾破坏等级矩阵。使用蒙特卡洛模拟得到各类构件及建筑整体的超越破坏易损性曲线,针对某一典型轻型钢结构建筑进行模拟。研究结果表明:屋面板和外门窗的超越破坏概率高于墙面板超越破坏概率;为减少风灾破坏,应当优先选用利于抗风的屋面板型,进而提高外门窗的抗风性能,最后考虑增强墙面板的抗风性能。 展开更多
关键词 轻型钢结构 门式刚架 风灾破坏 易损性 概率模型
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Cyclone and Tsunami Hazards in the Arabian Sea-A Numerical Modelling Case Study by Royal HaskoningDHV 被引量:1
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作者 M. A. Sarker A. J. Sleigh 《Journal of Shipping and Ocean Engineering》 2015年第5期242-254,共13页
Significant loss of life and damage to properties, ecosystems and marine facilities occur due to various natural hazards such as cyclones and tsunamis. Royal HaskoningDHV has developed regional hydrodynamic and wave m... Significant loss of life and damage to properties, ecosystems and marine facilities occur due to various natural hazards such as cyclones and tsunamis. Royal HaskoningDHV has developed regional hydrodynamic and wave models covering the Northern Arabian Sea to address these issues. Cyclone modelling was carried out on 11 major cyclones since 1945 and the tsunami modelling on an earthquake along the Makran Fault Line in 1945. Sample results from these modelling studies are presented in this paper. The methodology described in this article for modelling cyclones and tsunamis in the Arabian Sea could be applied to simulate these natural hazards at other sites around the world. 展开更多
关键词 Numerical modelling CYCLONE TSUNAMI extreme waves storm surge port development Arabian Sea.
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