柔性连接填充墙框架结构抗震性能试验
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摘要
通过5榀空心砌块砌体填充墙框架结构低周反复荷载试验,系统研究了填充墙-框架柔性连接和刚性连接、全墙填充和半墙填充框架结构的破坏机理和抗震性能,进行了结构滞回特性、承载力、位移延性、刚度退化、强度衰减、耗能能力及变形性能指标分析.结果表明,柔性连接方案对结构承载力的提高低于刚性连接方案,但其他性能指标均优于刚性连接方案,说明柔性连接方案减小了墙-框相互作用,有效改善了填充墙框架结构的抗震性能.
In order to study the failure mechanism and seismic behavior of hollow block masonry infilled framework with flexible and rigid connection between infilled wall and frame,or with all-height and half-height infilled wall,the low-cyclic reversed loading test of 5 RC infilled frames was conducted. Meanwhile,an analysis was made of hysteresis character, bearing capacity, displacement ductility, stiffness degradation, strength retrogression,energy dissipation and deformation index of structure. The results show that flexible connection specimens have lower bearing capacity than rigid connection specimens,but the other performance indexes are better. As a result,flexible connection scheme can reduce interaction between infilled wall and frame,thus improve the seismic performance of infilled frame structure.
In order to study the failure mechanism and seismic behavior of hollow block masonry infilled framework with flexible and rigid connection between infilled wall and frame,or with all-height and half-height infilled wall,the low-cyclic reversed loading test of 5 RC infilled frames was conducted. Meanwhile,an analysis was made of hysteresis character, bearing capacity, displacement ductility, stiffness degradation, strength retrogression,energy dissipation and deformation index of structure. The results show that flexible connection specimens have lower bearing capacity than rigid connection specimens,but the other performance indexes are better. As a result,flexible connection scheme can reduce interaction between infilled wall and frame,thus improve the seismic performance of infilled frame structure.
引文
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[15]唐兴荣,刘利花,周振轶,等.带竖缝砌体填充墙钢筋混凝土框架结构抗震性能试验研究[J].建筑结构学报,2012,33(10):84-93.Tang Xingrong,Liu Lihua,Zhou Zhenyi,et al.Experimental study on seismic behavior of slitted masonry in-filled reinforced concrete frame structure[J].Journal of Building Structures,2012,33(10):84-93(in Chinese).
[16]苑振芳,苑磊,刘斌.与框架柱脱开的砌体填充墙设计应用探讨[J].建筑结构,2010,40(5):112-116.Yuan Zhenfang,Yuan Lei,Liu Bin.Discussion on design and application of masonry filled walls separated from frame columns[J].Building Structure,2010,40(5):112-116(in Chinese).
[17]JGJ/T14—2011混凝土小型空心砌块建筑技术规程[S].北京:中国建筑工业出版社,2011.JGJ/T14—2011 Technical Specification for Concrete Small-Sized Hollow Block Masonry Buildings[S].Beijing:China Architecture and Building Press,2011(in Chinese).
[18]黄群贤.新型砌体填充墙框架结构抗震性能与弹塑性地震反应分析方法研究[D].厦门:华侨大学土木工程学院,2011.Huang Qunxian.Study on Seismic Behavior and ElasticPlastic Analysis Method for Seismic Responses of RC Frame Infilled with New Masonry[D].Xiamen:College of Civil Engineering,Huaqiao University,2011(in Chinese).
[2]刘大海,钟锡根,杨翠如.砖填充墙框架房屋的地震内力分析[J].建筑结构学报,1981,2(2):34-44.Liu Dahai,Zhong Xigen,Yang Cuiru.Behavior of infilled frame under cyclic loading[J].Journal of Building Structures,1981,2(2):34-44(in Chinese).
[3]郭子雄,吴毅彬,黄群贤.砌体填充墙框架结构抗震性能研究现状与展望[J].地震工程与工程震动,2008,28(6):172-177.Guo Zixiong,Wu Yibin,Huang Qunxian.Research and development in seismic behavior of infilled-frame structures[J].Journal of Earthquake Engineering and Engineering Vibration,2008,28(6):172-177(in Chinese).
[4]黄群贤,郭子雄,朱雁如,等.混凝土空心砌块填充墙RC框架抗震性能试验研究[J].建筑结构学报,2012,33(2):110-118.Huang Qunxian,Guo Zixiong,Zhu Yanru,et al.Experimental study on seismic behavior of RC frames infilled with concrete hollow blocks[J].Journal of Building Structures,2012,33(2):110-118(in Chinese).
[5]Kose M M.Parameter affecting the fundamental period of RC building with infill walls[J].Engineering Structures,2009,31(1):93-102.
[6]Mondal G,Jain S K.Lateral stiffness of masonry infilled reinforced concrete(RC)frames with central opening[J].Earthquake Spectra,2008,24(3):701-723.
[7]李建辉,薛彦涛,王翠坤,等.框架填充墙抗震性能的研究现状与发展[J].建筑结构,2011,41(增):12-17.Li Jianhui,Xue Yantao,Wang Cuikun,et al.Research and development in seismic performance of infilled walls for frame structures[J].Building Structure,2011,41(Suppl):12-17(in Chinese).
[8]关国雄,夏敬谦.钢筋混凝土框架砖填充墙结构抗震性能的研究[J].地震工程与工程震动,1996,16(1):87-99.Guan Guoxiong,Xia Jingqian.Analysis of aseismic behavior of masonry-infilled RC frame structures[J].Journal of Earthquake Engineering and Engineering Vibration,1996,16(1):87-99(in Chinese).
[9]郭子雄,黄群贤,魏荣丰,等.填充墙不规则布置对RC框架抗震性能影响试验研究[J].土木工程学报,2010,43(11):46-54.Guo Zixiong,Huang Qunxian,Wei Rongfeng,et al.Experimental study of the seismic behavior of irregularly brick infilled RC frames[J].China Civil Engineering Journal,2010,43(11):46-54(in Chinese).
[10]黄兰兰,李洪泉,李振宝,等.砌块填充墙抗震性能试验研究[J].工程抗震与加固改造,2011,33(1):60-66.Huang Lanlan,Li Hongquan,Li Zhenbao,et al.Experimental study on seismic behavior of infilled masonry wall[J].Earthquake Resistant Engineering and Retrofitting,2011,33(1):60-66(in Chinese).
[11]唐兴荣,周振轶,刘利花,等.多层砌体填充墙框架结构抗震性能试验研究[J].建筑结构学报,2012,33(11):72-81.Tang Xingrong,Zhou Zhenyi,Liu Lihua,et al.Experimental study on seismic behavior of multi-story masonry infilled reinforced concrete frame structures[J].Journal of Building Structures,2012,33(11):72-81(in Chinese).
[12]程云,刘明,王长玉,等.填充墙与柱脱开构造方式的平面外稳定研究[J].华中科技大学学报(城市科学版),2008,25(4):238-241.Cheng Yun,Liu Ming,Wang Changyu,et al.Out-ofplane stability test on disconnection of structure between infill wall and frame[J].Journal of Huazhong University of Science and Technology(Urban Science Edition),2008,25(4):238-241(in Chinese).
[13]程云,刘明,刘晓伟.二层框架填充墙出平面反应分析的试验研究[J].山东大学学报(工学版),2010,40(2):78-81.Cheng Yun,Liu Ming,Liu Xiaowei.The test study on the out of plane performance of two-story infillwalls[J].Journal of Shangdong University(Engineering Science),2010,40(2):78-81(in Chinese).
[14]李艳艳,陈艳风,韩红霞,等.带缝填充墙框架结构抗震性能试验研究[J].工业建筑,2013,43(2):14-17.Li Yanyan,Chen Yanfeng,Han Hongxia,et al.Experimental study on seismic behavior of infilled frame structures with slit[J].Industrial Architecture,2013,43(2):14-17(in Chinese).
[15]唐兴荣,刘利花,周振轶,等.带竖缝砌体填充墙钢筋混凝土框架结构抗震性能试验研究[J].建筑结构学报,2012,33(10):84-93.Tang Xingrong,Liu Lihua,Zhou Zhenyi,et al.Experimental study on seismic behavior of slitted masonry in-filled reinforced concrete frame structure[J].Journal of Building Structures,2012,33(10):84-93(in Chinese).
[16]苑振芳,苑磊,刘斌.与框架柱脱开的砌体填充墙设计应用探讨[J].建筑结构,2010,40(5):112-116.Yuan Zhenfang,Yuan Lei,Liu Bin.Discussion on design and application of masonry filled walls separated from frame columns[J].Building Structure,2010,40(5):112-116(in Chinese).
[17]JGJ/T14—2011混凝土小型空心砌块建筑技术规程[S].北京:中国建筑工业出版社,2011.JGJ/T14—2011 Technical Specification for Concrete Small-Sized Hollow Block Masonry Buildings[S].Beijing:China Architecture and Building Press,2011(in Chinese).
[18]黄群贤.新型砌体填充墙框架结构抗震性能与弹塑性地震反应分析方法研究[D].厦门:华侨大学土木工程学院,2011.Huang Qunxian.Study on Seismic Behavior and ElasticPlastic Analysis Method for Seismic Responses of RC Frame Infilled with New Masonry[D].Xiamen:College of Civil Engineering,Huaqiao University,2011(in Chinese).
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