| 大跨开合屋盖风荷载与风致响应试验与数值计算研究 |
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| 引用本文： | 陈伏彬,蔡虬瑞,翁兰溪,周晋芳,李秋胜.大跨开合屋盖风荷载与风致响应试验与数值计算研究[J].地震工程与工程振动,2019,39(1):88-95. |
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| 作者姓名： | 陈伏彬 蔡虬瑞 翁兰溪 周晋芳 李秋胜 |
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| 作者单位： | 长沙理工大学土木工程学院,湖南长沙,410114;中国电建福建省电力勘测设计院,福建福州,350000;香港城市大学建筑与土木工程系,香港,999077 |
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| 基金项目： | 国家自然科学基金;国家自然科学基金;长沙理工大学土木工程湖南省优势特色重点学科创新性项目;湖南省研究生科研创新项目 |
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| 摘 要： | 为研究屋盖开孔对大跨结构风效应的影响,在边界层风洞中开展了大跨开合屋盖刚性模型风洞测压试验,分析了结构表面风荷载分布特征,基于时域分析法研究了屋盖开合对风致响应的影响。结果表明:大跨结构模态密集,第一阶模态能量最大,高阶成分的贡献不容忽视;屋盖开洞能有效的减小屋面风荷载,降低位移响应与加速度响应,减小风振系数。研究结果可为大跨开合屋盖风荷载设计提供参考。
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| 关 键 词： | 大跨开合屋盖 风荷载 风致响应 风振系数 风洞试验 |
Investigation on wind load and wind-induced response of the large-span retractable roof based on experiment and numerical calculation |
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| CHEN Fubin,CAI Qiurui,WENG Lanxi,ZHOU Jinfang,LI Qiusheng.Investigation on wind load and wind-induced response of the large-span retractable roof based on experiment and numerical calculation[J].Earthquake Engineering and Engineering Vibration,2019,39(1):88-95. |
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| Authors: | CHEN Fubin CAI Qiurui WENG Lanxi ZHOU Jinfang LI Qiusheng |
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| Institution: | (School of Civil Engineering,Changsha University of Science&Technology,Changsha 410114,China;Power China Fujian Electric Power Survey&Design Institute Co.,LTD.Fuzhou 35000,China;Department of Architecture and Civil Engineering,City University of Hong Kong, Hong Kong 999077,China) |
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| Abstract: | CHEN Fubin;CAI Qiurui;WENG Lanxi;ZHOU Jinfang;LI Qiusheng(School of Civil Engineering,Changsha University of Science&Technology,Changsha 410114,China;Power China Fujian Electric Power Survey&Design Institute Co.,LTD.Fuzhou 35000,China;Department of Architecture and Civil Engineering,City University of Hong Kong, Hong Kong 999077,China) |
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| Keywords: | large-span retractable roof wind load wind-induced response wind vibration coefficient wind tunnel test |
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