| 安徽大学体育馆屋盖张弦网壳结构的地震响应分析 |
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| 引用本文： | 丁洁民,孔丹丹,何志军.安徽大学体育馆屋盖张弦网壳结构的地震响应分析[J].建筑结构,2009(1). |
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| 作者姓名： | 丁洁民 孔丹丹 何志军 |
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| 作者单位： | 同济大学建筑设计研究院;河北工业大学土木工程学院; |
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| 摘 要： | 对安徽大学体育馆屋盖张弦网壳结构的动力特性进行了分析,采用时程分析法对固定铰支座和弹性支座张弦网壳结构进行水平、竖向地震作用分析,分析了上下部结构协同工作对张弦结构抗震性能的影响。结果表明,张弦网壳结构的自振频率密集,结构的低阶整体振型以竖向振动为主,刚性网壳下布置索杆施加初始预应力可以提高结构基频;8度多遇地震作用下,张弦网壳结构的水平、竖向地震作用的内力和位移响应属于同一量级,大跨度张弦网壳结构的抗震设计需要对不同方向的地震作用进行分析;大跨度张弦结构应对屋盖与下部结构整体进行地震响应分析或合理地对下部结构的刚度和惯性进行等效。
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| 关 键 词： | 张弦网壳结构 地震响应分析 动力特性 |
Earthquake response analysis of cable-strut-supported shell structure of Anhui University Gymnasium |
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| Ding Jiemin,Kong D,an,He Zhijun.Earthquake response analysis of cable-strut-supported shell structure of Anhui University Gymnasium[J].Building Structure,2009(1). |
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| Authors: | Ding Jiemin Kong D an He Zhijun |
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| Affiliation: | 1 Architectural Design and Research Institute of Tongji University;Shanghai 200092;China;2 College of Civil Engineering;Hebei University of Technology;Tianjin 300132;China |
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| Abstract: | Dynamic properties of cable-strut-supported shell structure of Anhui University Gymnasium are analyzed.Responses of pin-support and elastic-support structures to horizontal and vertical earthquakes are analyzed with the time history method.Influence of supporting structure on the earthquake response of cable-strut-supported shell structure is analyzed.The result shows that frequencies of cable-strut-supported shell structure are dense and the first mode is almost in the vertical direction.Combining prestres... |
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| Keywords: | cable-strut-supported shell structure earthquake response dynamic property |
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