混凝土小砌块约束砌体结构的抗震性能——基于层间位移的分析
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摘要
混凝土小砌块约束砌体结构,由于加入芯柱、构造柱、圈梁,使结构整体性提高,因此具有较好的抗震性能和发展前景。通过整理94个混凝土小砌块约束砌体墙片试验数据,考虑权重,统计了混凝土小砌块约束砌体墙片延性系数,给出了延性系数与高度、延性系数比与高宽的关系,同时给出了层间开裂位移角、层间极限位移角公式,以及接近倒塌时混凝土小砌块约束砌体结构层间位移的计算公式,并与一个八层混凝土小砌块约束砌体结构的动力时程分析结果进行了对比,结果显示,最大误差在顶层,为17.7%,因此,所提层间位移计算公式是可以满足工程精度需要的,为混凝土小砌块约束砌体结构基于性态的抗震分析提供参考。
Small concrete block confined masonry construction has better seismic performance and development praspect.By arranging test data of 94 small concrete constraint block masonry walls and considering the weight,this paper presents ductility coefficient of small block confined masonry walls and relationship between the ductility coefficient and height/height-width ratio and gives the formulas of storey crack and ultimate drift angles and the storey drift angle of structure close to collapse.Through an example,the maximum error of the formulas is about 17.7%,therefore,these formulas are credible.The formulas proposed give a reference to performance-based seismic design of small concrete block confined masonry structure.
Small concrete block confined masonry construction has better seismic performance and development praspect.By arranging test data of 94 small concrete constraint block masonry walls and considering the weight,this paper presents ductility coefficient of small block confined masonry walls and relationship between the ductility coefficient and height/height-width ratio and gives the formulas of storey crack and ultimate drift angles and the storey drift angle of structure close to collapse.Through an example,the maximum error of the formulas is about 17.7%,therefore,these formulas are credible.The formulas proposed give a reference to performance-based seismic design of small concrete block confined masonry structure.
引文
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[15]孙巧珍,闰维明,周锡元,等.带构造柱的水平配筋双排孔封底砌块墙片抗震性能试验研究[J].施工技术,2006,35(6):93-95.SUN Qiaozhen,YAN Weiming,ZHOU Xiyuan,et al.Seismic behavior experimental study of horizontal reinforced double hole cover brick walls withconstructional column[J].Construction Technology,2006,35(6):93-95.
[16]杨德健,高永孚,孙锦镖,等.构造柱-芯柱体系混凝土砌块墙体抗震性能试验研究[J].建筑结构学报,2000,21(4):22-27.YANG Dejian,GAO Yongfu,SUN Jinbiao,et al.experimental study on seismic performance of concrete block walls with structural column and col-umn system[J].Journal of Building Structure,2000,21(4):22-27.
[17]屈成忠,谢礼立.基于性态的砌块砌体结构极限性态目标位移确定方法的研究[J].地震工程与工程震动,2003,23(2):18-25.QU Chengzhong,XIE Lili.study on target displacement determining method on limit state of block masonry structure performance based[J].Earth-quake engineering and Engineering Vibration,2003,23(2):18-25.
[18]ATC-40.Seismic evaluation and retrofit of concrete buildings[R].Applied Technology CouncilRed Wood City,California,1996.
[19]Bommer J J,lnashai A S.Displacement spectra for seismic design[J].Journal of Earthquake Engineering.1999,3(1):1-32.
[20]Smith K G.Innovation in earthquake resistant concrete structure design philosophies:A century of progress since Hennebique’s patent[J].Engi-neering Structures,2001,23:72-81
[21]QING Xue.Need of performance-based earthquake engineering in Taiwan:A lesson from the Chichi earthquake[J].Earthquake Engineering andStructural Dynamics,2000,39:1609-1627
[22]武汉大学测绘学院测量平差学科组.误差理论与测量平差基础[M].武汉:武汉大学出版社,2003:40-49.Surveying Adjustment Subject Group of Surveying and Mapping Institute of Wuhan University.Error theory and the basis of surveying adjustment[M].Wuhan:Wuhan University Press,2003:40-49.
[23]Bertero V.V.Overview of seismic risk reduction in urban areas:role,important,and reliability of current US Seismic Codes-performance basedseismic engineering[C]//Proceedings of the China-US Bilateral Workshop on Seismic Codes.Guangzhou,China:1996.1～7.
[24]王威,薛建阳,章红梅,等.框架结构在汶川5.12大地震中的震害分析及抗震启示[J].世界地震工程,2009,25(4):131-135.WANG Wei,XUE Jianyang,ZHANG Hongmei,et al.Seismic design and lessons learnt from the earthquake disaster of frame structure in 5.12Wenchuan earthquake[J].World Earthquake Engineering,2009,25(4):131-135.
[2]施楚贤,杨伟军.配筋砌块砌体剪力墙的受剪承载力及可靠的分析[J].建筑结构,2001,(3):41-44.SHI Chuxian,YANG Weijun.Analysis of shear bearing capacity and reliability of reinforced block masonry shear wall[J].Building Structure,2001,(3):41-44.
[3]施楚贤,谢小军.混凝土小型空心砌块砌体受力性能[J].建筑结构,1999,(3):10-13.SHI Chuxian,XIE Xiaojun.Mechanical properties of concrete small hollow block masonry[J].Building Structure,1999,(3):10-13.
[4]翟希梅,唐岱新.混凝土小型空心砌块空腔墙体的恢复力试验研究[J].哈尔滨工业大学学报,2001,34(6):26-31.ZHAI Ximei,TANG Daixin.Experimental research on restoring force of concrete small hollow block cavity walls[J].Journal of Harbin Institute ofTechnology,2001,34(6):26-31.
[5]金伟良,徐铨彪,潘金龙,等.不同构造措施混凝土空心小型砌块砌体的抗侧力性能试验研究[J].建筑结构学报,2001,22(6):64-72.JIN Weiliang,XU Quanbiao,PAN Jinlong,et al.Lateral resistance behavior experimental study of different construction measures of concrete smallhollow block masonry[J].Journal of Building Structure,2001,22(6):64-72.
[6]李振威,刘伟庆.设置芯柱的混凝土小型空心砌块墙体抗震性能研究[J].工程抗震,1999,(2):8-16.LI Zhenwei,LIU Weiqing.Seismic behavior research of concrete small hollow block walls with column[J].Engineering Seismic,1999,(2):8-16.
[7]施楚贤,周海冰.配筋砌体剪力墙的抗震性能[J].建筑结构学报,1997,18(6):32-40.SHI Chuxian,ZHOU Haibing.Seismic behavior of reinforced masonry shear walls[J].Journal of Building Structures,1997,18(6):32-40.
[8]李利群,刘伟庆.设置构造柱的混凝土小型空心砌块砌体抗震性能的研究[J].工程抗震,2001,(4):16-20.LI Liqun,LIU Weiqing.Seismic performance research of concrete hollow small block masonry with constructional column[J].Engineering Seis-mic,2001,(4):16-20.
[9]李利群,刘伟庆.约束混凝土小型空心砌块砌体抗震性能试验研究[J].南京建筑工程学院学报,2001,57(2):19-26.LI Liqun,LIU Weiqing.Seismic performance experimental study of confined concrete small hollow block masonry[J].Journal of Architectural Engi-neering of Nanjing Institute,2001,57(2):19-26.
[10]熊立红.多层混凝土砌块结构性态抗震研究[D].哈尔滨:中国地展局工程力学研究所,2004.XIONG Lihong.performance-based seismic study of multilayer concrete block structure[D].Harbin:Institute of Engineering Mechanics,ChinaEarthquake Administration,2004.
[11]张毅斌,张前国,邬瑞锋,等.混凝土小型空心砌块组合墙抗侧力试验研究[J].世界地震工程,2001,17(2):98-103.ZHANG Yibin,ZHANG Qianguo,WU Ruifeng,et al.Lateral bearing test study of concrete small hollow block combination walls[J].World Earth-quake Engineering,2001,17(2):98-103.
[12]蔡勇,施楚贤,易思甜.配筋混凝土砌块砌体剪力墙位移延性设计方法[J].湖南大学学报(自然科学版),2005,32(3):52-55.CAI Yong,SHI Chuxian,YI Sitian.Displacement ductility design method of reinforced concrete masonry shear walls[J].Journal of Hunan Univer-sity(NATURAL SCIENCE EDITION),2005,32(3):52-55.
[13]常兆中.混凝土砌块结构非线性地震反应分析及基于性能的抗震设计方法[D].北京:中国建筑科学研究院,2005.CHANG Zhaozhong.Nonlinear seismic response analysis and performance based seismic design method of concrete block structure[D].Beijing:Ar-chiture Science Institute of China,2005.
[14]吕伟荣.砌体基本力学性能及高层配筋砌块砌体剪力墙抗震性能研究[D].湖南:湖南大学,2007.LIU Weirong.Basic mechanical properties of masonry and seismic performance study of high-rise reinforced-block-masonry shear walls[D].Hunan:Hunan University,2007.
[15]孙巧珍,闰维明,周锡元,等.带构造柱的水平配筋双排孔封底砌块墙片抗震性能试验研究[J].施工技术,2006,35(6):93-95.SUN Qiaozhen,YAN Weiming,ZHOU Xiyuan,et al.Seismic behavior experimental study of horizontal reinforced double hole cover brick walls withconstructional column[J].Construction Technology,2006,35(6):93-95.
[16]杨德健,高永孚,孙锦镖,等.构造柱-芯柱体系混凝土砌块墙体抗震性能试验研究[J].建筑结构学报,2000,21(4):22-27.YANG Dejian,GAO Yongfu,SUN Jinbiao,et al.experimental study on seismic performance of concrete block walls with structural column and col-umn system[J].Journal of Building Structure,2000,21(4):22-27.
[17]屈成忠,谢礼立.基于性态的砌块砌体结构极限性态目标位移确定方法的研究[J].地震工程与工程震动,2003,23(2):18-25.QU Chengzhong,XIE Lili.study on target displacement determining method on limit state of block masonry structure performance based[J].Earth-quake engineering and Engineering Vibration,2003,23(2):18-25.
[18]ATC-40.Seismic evaluation and retrofit of concrete buildings[R].Applied Technology CouncilRed Wood City,California,1996.
[19]Bommer J J,lnashai A S.Displacement spectra for seismic design[J].Journal of Earthquake Engineering.1999,3(1):1-32.
[20]Smith K G.Innovation in earthquake resistant concrete structure design philosophies:A century of progress since Hennebique’s patent[J].Engi-neering Structures,2001,23:72-81
[21]QING Xue.Need of performance-based earthquake engineering in Taiwan:A lesson from the Chichi earthquake[J].Earthquake Engineering andStructural Dynamics,2000,39:1609-1627
[22]武汉大学测绘学院测量平差学科组.误差理论与测量平差基础[M].武汉:武汉大学出版社,2003:40-49.Surveying Adjustment Subject Group of Surveying and Mapping Institute of Wuhan University.Error theory and the basis of surveying adjustment[M].Wuhan:Wuhan University Press,2003:40-49.
[23]Bertero V.V.Overview of seismic risk reduction in urban areas:role,important,and reliability of current US Seismic Codes-performance basedseismic engineering[C]//Proceedings of the China-US Bilateral Workshop on Seismic Codes.Guangzhou,China:1996.1～7.
[24]王威,薛建阳,章红梅,等.框架结构在汶川5.12大地震中的震害分析及抗震启示[J].世界地震工程,2009,25(4):131-135.WANG Wei,XUE Jianyang,ZHANG Hongmei,et al.Seismic design and lessons learnt from the earthquake disaster of frame structure in 5.12Wenchuan earthquake[J].World Earthquake Engineering,2009,25(4):131-135.
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