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360°咬合金属板屋面分析
期刊论文 | 2024 , 54 (10) , 81-86,144 | 建筑结构
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Abstract :

360°咬合金属板屋面作为众多形式金属屋面中的一种,具有良好的抗压能力,然而在真实风环境下,该类屋面的抗风揭能力尚有待研究。针对360°咬合金属板屋面系统的风灾易损程度开展了量化分析研究,以判定其真实抗风能力。为此,研究结合了力学试验与数值仿真等技术手段,对某TB开关站厂房的360°咬合金属板屋面系统的承载力以及风荷载效应进行分析。基于概率学知识,提出连接件失效概率的高效计算方法,进而快速分析金属板单元失效概率以及屋面整体的易损性,并提供损失的平均水准及变异程度量化结果。研究发现,荷载最不利工况通常对应来流垂直于屋脊线时,此时该类屋面在风力达到9级时出现破坏的迹象,当风力达到12级时,整个屋面极有可能被整体掀飞。

Keyword :

360°咬合连接 金属板屋面 易损性 风荷载极值 风灾

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GB/T 7714 齐晓海 , 冀骁文 , 王斐亮 et al. 360°咬合金属板屋面分析 [J]. | 建筑结构 , 2024 , 54 (10) : 81-86,144 .
MLA 齐晓海 et al. "360°咬合金属板屋面分析" . | 建筑结构 54 . 10 (2024) : 81-86,144 .
APA 齐晓海 , 冀骁文 , 王斐亮 , 程旭 , 刘敏 , 黄国庆 . 360°咬合金属板屋面分析 . | 建筑结构 , 2024 , 54 (10) , 81-86,144 .
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轻钢房屋整体分析
期刊论文 | 2024 , 43 (9) , 84-93 | 振动与冲击
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Abstract :

轻钢房屋被广泛用于民宅和厂房等低矮建筑中.该类结构轻质,对风荷载较为敏感,在台风中破坏严重,造成了巨大的经济损失,因此对该结构进行风灾评估具有重要意义.首先,基于随机模拟技术提出了轻钢房屋整体结构风致易损性的分析框架,其中涉及风荷载随机化方法、主体结构和围护结构风致易脆性分析方法以及房屋整体结构风致易损性分析流程.其次,基于所提框架对一具体轻钢结构风致易损性进行了案例分析,结果表明,所提方法较好考虑了飞掷物和风压联合作用及其造成的内压变化效应,并可将主体结构和围护结构的风灾损失进行融合,获得结构整体易损性曲线.

Keyword :

风致易脆性 围护结构 风致易损性 主体结构 轻钢房屋

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GB/T 7714 吴凤波 , 姚新桂 , 周豪杰 et al. 轻钢房屋整体分析 [J]. | 振动与冲击 , 2024 , 43 (9) : 84-93 .
MLA 吴凤波 et al. "轻钢房屋整体分析" . | 振动与冲击 43 . 9 (2024) : 84-93 .
APA 吴凤波 , 姚新桂 , 周豪杰 , 黄国庆 , 聂诗东 , 冀骁文 et al. 轻钢房屋整体分析 . | 振动与冲击 , 2024 , 43 (9) , 84-93 .
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Wind induced vulnerability analysis for a whole light steel building; [轻钢房屋整体分析] EI Scopus
期刊论文 | 2024 , 43 (9) , 84-93 | Journal of Vibration and Shock
SCOPUS Cited Count: 2
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Abstract :

Light steel houses are widely used in low rise buildings, such as, residential and factory buildings. This type structures are lightweight and more sensitive to wind load, and they are severely damaged in typhoons to cause huge economic losses. Therefore, performing wind disaster assessment for this type structures is of great significance. Here, firstly, based on random simulation technique, the analysis framework for wind induced vulnerability of a whole light steel house was proposed, it was related to wind load randomization methods, wind induced brittleness analysis methods for main structure and enclosure structure, and wind induced vulnerability analysis process for house whole structure. Secondly, a case study was performed for wind-induced vulnerability of a specific light steel structure based on the proposed framework. The results showed that the proposed method can better consider the joint action of flying objects and wind pressure as well as the internal pressure change effect caused by the joint action; it can also fuse wind disaster losses of main structure and whole enclosure structure to obtain vulnerability curve of whole structure of a light steel house. © 2024 Chinese Vibration Engineering Society. All rights reserved.

Keyword :

envelope structure wind-induced vulnerability wind-induced fragility light steel building main structure

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GB/T 7714 Wu, F. , Yao, X. , Zhou, H. et al. Wind induced vulnerability analysis for a whole light steel building; [轻钢房屋整体分析] [J]. | Journal of Vibration and Shock , 2024 , 43 (9) : 84-93 .
MLA Wu, F. et al. "Wind induced vulnerability analysis for a whole light steel building; [轻钢房屋整体分析]" . | Journal of Vibration and Shock 43 . 9 (2024) : 84-93 .
APA Wu, F. , Yao, X. , Zhou, H. , Huang, G. , Nie, S. , Ji, X. et al. Wind induced vulnerability analysis for a whole light steel building; [轻钢房屋整体分析] . | Journal of Vibration and Shock , 2024 , 43 (9) , 84-93 .
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基于简化渐进破坏的低矮房屋围护结构分析 CSCD
期刊论文 | 2021 , 42 (05) , 32-39 | 建筑结构学报
CNKI Cited Count: 1
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Abstract :

轻质框架低矮房屋被广泛用于民宅、厂房以及其他基础设施建设。然而,多起风灾调查发现,低矮房屋在强风中破坏严重,其破坏形式主要表现为围护结构受损,因此有必要对低矮房屋围护结构风灾损失开展相关研究。基于简化的三阶段渐进破坏过程,提出了低矮房屋围护结构风致易损性分析方法。在该方法中,同时考虑飞掷物冲击和强风压造成的门窗破坏,以确定开孔工况;通过伯努利方程模拟内压响应;利用Copula函数考虑屋面构件关联破坏;提出基于蒙特卡洛随机模拟的易损性分析流程,并结合木质框架房屋开展算例分析;进一步通过建立风速风向联合概率模型以考虑风向效应。研究表明,迎风墙构件在强风中往往面临着较高风险,且忽略风向效应可能会低估...

Keyword :

围护结构 低矮房屋 内压响应 飞掷物 风致易损性 风向效应

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GB/T 7714 吴凤波 , 冀骁文 , 黄国庆 et al. 基于简化渐进破坏的低矮房屋围护结构分析 [J]. | 建筑结构学报 , 2021 , 42 (05) : 32-39 .
MLA 吴凤波 et al. "基于简化渐进破坏的低矮房屋围护结构分析" . | 建筑结构学报 42 . 05 (2021) : 32-39 .
APA 吴凤波 , 冀骁文 , 黄国庆 , 赵衍刚 . 基于简化渐进破坏的低矮房屋围护结构分析 . | 建筑结构学报 , 2021 , 42 (05) , 32-39 .
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基于简化渐进破坏的低矮房屋围护结构分析 CQVIP
期刊论文 | 2021 , 42 (5) , 32-39 | 吴凤波
Abstract & Keyword Cite

Abstract :

基于简化渐进破坏的低矮房屋围护结构风致易损性分析

Keyword :

飞掷物 内压响应 风向效应 风致易损性 低矮房屋 围护结构

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GB/T 7714 吴凤波 , 冀骁文 , 黄国庆 et al. 基于简化渐进破坏的低矮房屋围护结构分析 [J]. | 吴凤波 , 2021 , 42 (5) : 32-39 .
MLA 吴凤波 et al. "基于简化渐进破坏的低矮房屋围护结构分析" . | 吴凤波 42 . 5 (2021) : 32-39 .
APA 吴凤波 , 冀骁文 , 黄国庆 , 赵衍刚 , 建筑结构学报 . 基于简化渐进破坏的低矮房屋围护结构分析 . | 吴凤波 , 2021 , 42 (5) , 32-39 .
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