单跨框架抗震加固方法及其抗震性能研究
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摘要
采用《"建筑结构抗震性能指标评估"研究计划》(ATC-63)建议的地震波库,对单跨框架结构、框剪结构和双跨框架结构进行逐步增量时程分析(IDA),研究对单跨框架的两种加固方法的实际效果。分析表明,单跨框架改成框剪结构或双跨框架结构后,各项抗震性能指标均得到提高,由于其增设了多道抗震防线,在大震作用下表现出良好的耗能及抗震性能。
Using seismic waves recommended by ATC-63,gradually Incremental Dynamic Analysis(IDA) for single span frame structure,frame shear structure and double span frame structure was made to study the effect of two kinds of strengthening methods for single span frame.The analysis result shows that the seismic performance indicators are improved when single span is changed to frame shear structure or double span frame structure.The multichannel seismic lines added shows good energy dissipation and seismic performance under major earthquakes.
Using seismic waves recommended by ATC-63,gradually Incremental Dynamic Analysis(IDA) for single span frame structure,frame shear structure and double span frame structure was made to study the effect of two kinds of strengthening methods for single span frame.The analysis result shows that the seismic performance indicators are improved when single span is changed to frame shear structure or double span frame structure.The multichannel seismic lines added shows good energy dissipation and seismic performance under major earthquakes.
引文
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[2]段贵明,史铁花.单跨框架结构抗震加固方法研究[J].建筑结构,2010,40(5):72-73 Duan Guiming,Shi Tiehua.Study on strengthen methods of single bay frame structures[J].Building Structure,2010,40(5):72-73
[3]国家标准.GB 50023—2009建筑抗震鉴定标准[S].北京:中国建筑工业出版社,2008 Standard for seismic appraisal of buildings GB 50023-2009, Beijing:China Architecture and Building Press,(in Chinese)
[4]汤保新,叶列平,陆新征.丙类与乙类设防RC框架结构抗地震倒塌能力对比[J].建筑结构学报,2011(10):30-38 Tang Bao-xin,Ye Lie-ping,Lu Xin-zheng.Comparison of the Collapse-resistant Capacities of RC Frames with Seismic Fortification Categories B and C[J].Journal of building structures, 2011(10):30-38
[5]施炜,叶列平,陆新征,等.不同抗震设防RC框架结构抗倒塌能力的研究[J].工程力学,2011(3):41-48 Shi Wei,Ye Lie-ping,Lu Xin-zheng,Tang Dai-yuan.Study on the collapse-resistant capacity of RC fames with different seismic for tification cation levels[J].Engineering mechanics,2011(3):41-48
[6]ATC-63.Quantification of Building Seismic Performance Factors, ATC-63 Project Report-90%Draft[M].Washington DC:FEMA P695,2008
[7]陆新征,叶列平,缪志伟.建筑抗震弹塑性分析[M].中国建筑工业出版社,2009 Lu Xinzheng,Ye Lieping,Miao Zhiwei.Elasto-plastic analysis of ??buildings against earthquake[M].Beijing:China architecture and building press,2009.12.(in Chinese)
[8]国家标准.GB 50011-2010建筑抗震设计规范[S].北京:中国建筑工业出版社,2010 GB(2010).Code for seismic design of buildings(GB 50011-2010), China Building Industry Press,Beijing,China
[9]Asad Ullah Qazi,Ye Lieping,Lu Xinzheng.Mechanism of Passive Control RC Frame with High Strength Reinforcements and its Potential Benefits against Earthquakes[J].Tsinghua Science and Technology,2006,11(6):640-647
[10]门俊,陆新征,宋二祥.分层壳模型在剪力墙结构计算中的应用[J].防护工程,2006,28(3):9-13 Men Jun,Lu Xinzheng,Song Erxiang.Application of Layered Model in Analysis of Shear Wall Structures[J].Protection Engineering Journal,2006,28(3):9-13
[11]汪训流,陆新征,叶列平.往复荷载下钢筋混凝土柱受力性能的数值模拟[J].工程力学,2007(12):76-81 Wang Xunliu;Lu Xinzheng;Ye Lieping,Numerical simulation for the hysteresis behavior of RC columns under cyclic loadsfj]. Engineering mechanics,2007,24(12):76-81.(in Chinese)
[12]叶列平,陆新征,马千里,等.混凝土结构抗震非线性分析模型、方法及算例[J].工程力学,2006(s2):131-140 Ye Lieping,Lu Xinzheng,Ma Qianli,etc.Nonlinear analytical models,metheds and examples for concrete structures subject to earthquake loading[J].Engineering mechanics,2006,23(s up.2):131-140.(in Chinese)
[13]叶列平,马千里,缪志伟.结构抗震分析用地震动强度指标的研究[J].地震工程与工程振动,2009,29(4):9-22 Ye Lieping,Ma Qianli,Miao Zhiwei.Study on earthquake intensities for seismic analysis of structures[J].Journal of earthquake engineering and engineering vibration.2009,29(4):9- 22(in Chinese)
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