| 某屈曲约束支撑框架-核心筒混合结构静力推覆分析 |
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| 引用本文： | 司林军,胡大柱,李国强,黄本才.某屈曲约束支撑框架-核心筒混合结构静力推覆分析[J].建筑结构,2010(10). |
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| 作者姓名： | 司林军 胡大柱 李国强 黄本才 |
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| 作者单位： | 同济大学建筑工程系;同济大学航空航天与力学学院;同济大学土木工程防灾国家重点实验室; |
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| 摘 要： | 兰州云天皇冠酒店为屈曲约束支撑框架-核心筒混合结构,属超限高层建筑。介绍了工程的特点及结构布置情况,针对结构平面布置不对称和高度超限的情况,对比了结构分别采用普通支撑和屈曲约束支撑时的弹塑性性能。结果表明,在小震作用下,屈曲约束支撑处于弹性状态,为结构提供支撑刚度;在罕遇地震作用下,部分屈曲约束支撑达到屈服状态,为结构提供耗能能力。通过采用屈曲约束支撑,既减轻了结构地震反应,又达到设计的预期性能目标且满足规范的要求。
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| 关 键 词： | 屈曲约束支撑 普通支撑 抗震性能 方钢管混凝土 钢筋混凝土剪力墙 |
Pushover analysis of a super-high hybrid structure with buckling-restrained braces |
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| Si Linjun,Hu Dazhu,Li Guoqiang,Huang Bencai.Pushover analysis of a super-high hybrid structure with buckling-restrained braces[J].Building Structure,2010(10). |
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| Authors: | Si Linjun Hu Dazhu Li Guoqiang Huang Bencai |
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| Affiliation: | Si Linjun~1,Hu Dazhu~2,Li Guoqiang~(1,3),Huang Bencai~2(1 College of Civil Engineering,Tongji University,Shanghai 200092,China,2 College of Aerospace Engineering and Mechanics of Tongji University,3 State Key Laboratory for Disaster Reduction in Civil Engineering,China) |
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| Abstract: | Lanzhou Yuntian Huangguan Hotel is a super-high hybrid structure with buckling-restrained braces(BRB) and it ranks the high-rise building beyond code limits.The characteristics and structural arrangement were introduced.The influences of BRB and conventional braces on the structure were analyzed.The results show that when subjected to frequent earthquake,the BRB are still in elastic state,and can provide stiffness for the main structure.When subjected to rare earthquake,a number of BRB are in post-yielding ... |
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| Keywords: | buckling-restrained brace conventional brace seismic behavior concrete-filled rectangular tube(CFRT) reinforced concrete(RC) shear wall |
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