| 偏心支撑钢框架延性抗震设计探讨 |
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| 引用本文： | 申永康,万斌,邵建华.偏心支撑钢框架延性抗震设计探讨[J].工程抗震与加固改造,2007,29(2):47-50. |
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| 作者姓名： | 申永康 万斌 邵建华 |
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| 作者单位： | 1. 河海大学土木工程学院,江苏,南京,210098
2. 山东省水利厅,山东,济南,250013 |
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| 摘 要： | 偏心支撑钢框架结构体系是一种非常适合强震地区的抗震结构体系.国内外许多高层建筑采用了该结构体系,尤其在美国与日本的高地震烈度地区.国内外现行规范对该体系的设计均未能充分体现其良好的延性与耗能能力,但只有通过结构的延性设计才能使结构真正具有耗能能力.本文从不同支撑类型的刚度、高跨比、延性和双重体系探讨了支撑类型的选择与布置形式,分析了耗能梁长度与截面设计以及耗能梁与支撑、柱的连接形式对偏心支撑钢框架结构体系延性和耗能能力的影响,提出了偏心支撑钢框架结构体系延性抗震设计的建议与思路,为规范修订和工程应用提供一些参考.
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| 关 键 词： | 偏心支撑钢框架 抗震设计 延性 耗能梁 |
| 文章编号： | 1002-8412(2007)02-0047-04 |
| 修稿时间： | 06 12 2006 12:00AM |
Seismic Design on Eccentrically Braced Steel Frame System |
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| Shen Yong-kang,Wan Bin,Shao Jan-hua.Seismic Design on Eccentrically Braced Steel Frame System[J].Earthquake Resistant Engineering and Retrofitting,2007,29(2):47-50. |
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| Authors: | Shen Yong-kang Wan Bin Shao Jan-hua |
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| Affiliation: | 1. College of Civil Engineering , Hehai University, Nanjing 210098 , China; 2. Water Conservancy Government Department of Shandong Province, Jinan 250013, China |
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| Abstract: | The eccentrically braced steel frame is a very popular seismic structural system in some strong earthquake zones.Many high-rise buildings are used the system in inland and overseas regions,especially in some strong earthquake zones of America and Japan.But those design provisions cannot adequately display the ductility,dissipative capability and seismic characters of the system in these codes.Based on ductility and dissipative capability of the system,selection and configuration of system,length and section design of link,joins of link affected on some seismic characters of the structural system are introduced.Some advices and ideas on seismic design of the system are proposed,and it can be used as the reference for engineering applications. |
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| Keywords: | eccentrically braced frames seismic design ductility dissipative links |
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