带耗能支撑再生混凝土框架-剪力墙结构振动台试验研究
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摘要
为了研究带耗能支撑再生混凝土框架-剪力墙结构的抗震能力,进行2个框架-剪力墙结构模型的模拟地震振动台试验研究,其中1个为再生粗骨料混凝土普通框架-剪力墙结构,1个为再生粗骨料混凝土带耗能支撑框架-剪力墙结构。对比分析了2个模型不同受力阶段的动力特性、地震反应及破坏形态,结果表明:耗能支撑能明显提高再生混凝土框架-剪力墙结构的抗震能力,使其较好地满足现行抗震设计规范要求。
In order to investigate the seismic performance of a recycled concrete frame-shear wall structure with energy dissipation braces,two frame-shear wall structures were tested on shaking table,including one recycled coarse aggregate concrete model structure,and one recycled coarse aggregate concrete model structure with energy dissipation braces.The dynamic characteristics,dynamic responses,and failure modes of the two model structures in different stages were analyzed and compared through the results from the tests.The tests and analysis results show that the seismic performance of the recycled coarse aggregate concrete frame-shear wall structure with energy dissipation braces is highly improved,and it is able to well satisfy the aseismic capacity according to the current code for seismic design of buildings.
In order to investigate the seismic performance of a recycled concrete frame-shear wall structure with energy dissipation braces,two frame-shear wall structures were tested on shaking table,including one recycled coarse aggregate concrete model structure,and one recycled coarse aggregate concrete model structure with energy dissipation braces.The dynamic characteristics,dynamic responses,and failure modes of the two model structures in different stages were analyzed and compared through the results from the tests.The tests and analysis results show that the seismic performance of the recycled coarse aggregate concrete frame-shear wall structure with energy dissipation braces is highly improved,and it is able to well satisfy the aseismic capacity according to the current code for seismic design of buildings.
引文
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[2]李佳彬,肖建庄,孙振平.再生粗骨料特性及其对再生混凝土性能的影响[J].建筑材料学报,2004,7(4):390―395.Li Jiabin,Xiao Jianzhuang,Sun Zhenping.Properties ofrecycled coarse aggregate and its influence on recycledconcrete[J].Journal of Building Materials,2004,7(4):390―395.(in Chinese)
[3]朋改非,沈大钦,朱海英,等.同配合比条件下再生骨料混凝土与基准混凝土的力学性能比较研究[J].混凝土,2006(2):34―38.Peng Gaifei,Shen Daqin,Zhu Haiying,et al.Comparison of mechanical properties between recycledaggregate concrete and control concrete at identical mixproportions[J].Concrete,2006(2):34―38.(in Chinese)
[4]Sami W Tabsh,Akmal S Abdelfatah.Influence ofrecycled concrete aggregates on strength properties ofconcrete[J].Construction and Building Materials,2009,23(2):1163―1167.
[5]白国良,刘超,赵洪金,等.再生混凝土框架柱抗震性能试验研究[J].地震工程与工程震动,2011,31(1):61―66.Bai Guoliang,Liu Chao,Zhao Hongjin,et al.Experimental research on seismic behavior of recycledconcrete frame columns[J].Journal of EarthquakeEngineering and Engineering Vibration,2011,31(1):61―66.(in Chinese)
[6]张建伟,曹万林,董宏英,等.再生骨料掺量对中高剪力墙抗震性能影响试验研究[J].土木工程学报,2010,43(增2):55―61.Zhang Jianwei,Cao Wanlin,Dong Hongying,et al.Experimental study on seismic behavior of mid-riserecycled concrete shear walls with different percentageof aggregate replacement[J].China Civil EngineeringJournal,2010,43(Suppl 2):55―61.(in Chinese)
[7]孙跃东,周德源,肖建庄,等.不同轴力下再生混凝土框架抗震性能的试验[J].同济大学学报(自然科学版),2007,35(8):1013―1018.Sun Yuedong,Zhou Deyuan,Xiao Jianzhuang,et al.Experimental research on seismic behavior of recycledconcrete frame under vary cyclic loading[J].Journal ofTongji University(Natural Science),2007,35(8):1013―1018.(in Chinese)
[8]曹万林,张建伟,尹海鹏,陈家珑.再生混凝土框架-剪力墙结构抗震研究与应用[J].工程力学,2010,27(增刊II):135―141.Cao Wanlin,Zhang Jianwei,Yin Haipeng,Chen Jialong.Experimental study on the seismic behavior of recycledconcrete frame-shear-wall structure[J].EngineeringMechanics,2010,27(Suppl II):135―141.(in Chinese)
[9]GB50011-2010,建筑抗震设计规范[S].北京:中国建筑工业出版社,2010.GB 50011-2010,Code for seismic design of buildings[S].Beijing:Architecture&Industry Press,2010.(inChinese)
[10]GB50011-2010,混凝土结构设计规范[S].北京:中国建筑工业出版社,2010.GB 50010-2010,Code for design of concrete structures[S].Beijing:Architecture&Industry Press,2010.(inChinese)
[11]庄茁,由小川,廖剑晖,等.基于ABAQUS的有限元分析和应用[M].北京:清华大学出版社,2009:280―286.Zhuang Zhuo,You Xiaochuan,Liao Jianhui,et al.Finiteelement analysis and application based on ABAQUS[M].Beijing:Tsinghua University Press,2009:280―286.(in Chinese)
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