平面不规则结构非弹性扭转地震反应研究进展
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摘要
不规则建筑结构在侧向地震荷载作用下由于质量中心和刚度中心的不重合导致平扭耦联反应的发生,使得结构构件的变形需求分布在结构平面内并不一致,从而产生附加的强度和变形需求。尽管不规则建筑结构在地震作用下的扭转问题一直受到研究学者的关注和研究,并取得了很多显著的成果,但仍然存在着一些争议,有待于继续深入研究。本文从结构的分析模型、影响参数及地震动输入等方面回顾总结了平面不规则建筑结构在地震作用下非弹性扭转的研究进展,结合当前的研究工作指出今后研究的发展方向。
The deformation and strength demands in resistant elements of asymmetric buildings are not uniformly distributed due to the inconsistency of the center of mass and the center of rigidity,which results in additional drift and strength demands in critical resistant elements and even damage to buildings.Although extensive researches on the inelastic torsional effect have been conducted,there still exist some aspects on the issue which are essential to understanding and solution of the response of asymmetric buildings.Factors influencing the inelastic torsional effect of asymmetric buildings,such as analytical model,structural properties and ground motion properties are presented and summarized on the basis of a large numbers of research articles and the present work as well as the future work is pointed out,so as to get the further understanding of the inelastic torsional response.
The deformation and strength demands in resistant elements of asymmetric buildings are not uniformly distributed due to the inconsistency of the center of mass and the center of rigidity,which results in additional drift and strength demands in critical resistant elements and even damage to buildings.Although extensive researches on the inelastic torsional effect have been conducted,there still exist some aspects on the issue which are essential to understanding and solution of the response of asymmetric buildings.Factors influencing the inelastic torsional effect of asymmetric buildings,such as analytical model,structural properties and ground motion properties are presented and summarized on the basis of a large numbers of research articles and the present work as well as the future work is pointed out,so as to get the further understanding of the inelastic torsional response.
引文
[1]Ayre R S.Interconnection of translational and torsional vibrations in buildings[J].Bulletin of the Seismological Society of America,1938,28:89-130.
[2]韩军,李英民.抗震结构扭转控制及设计方法的国内外规范对比分析[J].西安建筑科技大学学报:自然科学版,2008,40(1):25-32.
[3]Rosenblueth E.Aseismic provisions for the federal district,Mexico[C]∥Proceedings of the2nd World Conference on Earthquake Engineering,Tokyo,1960:2009-2026.
[4]Tezcan S S,Alhan C.Parametric analysis of irregular structures under seismic loading according to the new Turkish Earthquake Code[J].Engi-neering Structures,2001,23:600-609.
[5]Rutenberg A,Pekau O A.Earthquake response of asymmetric buildings:a parametric study[C]∥Proc.4th Canadian Conference on Earthquake Engineering,Vancouver,1983:271-281.
[6]Chopra A K.Dynamics of structures:theory and applications to earthquake engineering[M].3rd ed.University of California at Berkeley,2007:3-8.
[7]Kan C L,Chopra A K.Torsional coupling and earthquake response of simple elastic and inelastic systems[J].Journal of Structural Divisions,1981,107:1569-1588.
[8]Goel R K,Chopra A K.Inelastic seismic response of one-storey asymmetric plan systems:Eeffect of stiffness and strength distribution[J].Earth-quanke Engineering and Structural Dynamics,1990,19:949-970.
[9]Humar J L,Kumar P.Effect of orthogonal inplane structural elements on inelastic torsional response[J].Earthquake Engineering and Structural Dynamics,1999,28:1071-1097.
[10]Dutta S C.Effect of strength deterioration on inelastic seismic torsional behaviour of asymmetric RC buildings[J].Building and Environment,2001,36:1109-1118.
[11]Tso W K,Myslimai.Effect of strength distribution on the inelastic torsional response of asymmetric structural systems[C]∥Proc.of the12th Eu-ropean Conference on Earthquake Engineering,London,2002.
[12]Mario D S,Pintucchi B.A model for analyzing inelastic seismic response of plan-irregular building structures[C]∥15th ASCE Engineering me-chanics conference,New York,Columbia University,2002.
[13]Tso W K,Myslimaj B.A yield displacement distribution-based approach for strength assignment to lateral force-resisting elements having strength dependent stiffness[J].Earthquake Engineering and Structural Dynamics,2003,32:2319-2351.
[14]Smith R S H,Tso W K.Inconsistency of Force-Based Design Procedure[J].JSEE:2002,4(1):47-54.
[15]Stathopoulos K G,Anagnostopoulos S A.Inelastic earthquake included torsion in buildings-results and conclusions from realistic models[C]∥12th European Conference on Earthquake Engineering:Paper Reference453.
[16]Lin Jui-Liang,Tsai Keh-Chyuan.Seismic analysis of two-way asymmetric building systems under bi-directional seismic ground motions[J].Earthquake Engineering and Structural Dynamics,2008,37:305-328.
[17]Jiang W,Hutchinson G L,Chandler A M.Definition of static eccentricity for design of asymmetric shear buildings[J].Engineering Structures,1993,15(3):167-178.
[18]Annigeri S,Mittal A K,Jains A K.Uncoupled frequency ratio in asymmetric buildings[J].Earthquake Engineering and Structural Dynamics,1996,25:871-881.
[19]徐培福,黄吉锋,韦承基.高层建筑结构在地震作用下的扭转振动效应[J].建筑科学,2000,16(1):1-6.
[20]JGJ3-2002高层建筑混凝土结构技术规程[S].北京:中国建筑工业出版社,2002.
[21]徐培福,黄吉锋,韦承基.高层建筑结构的扭转反应控制[J].土木工程学报,2006,39(7):1-8.
[22]李英民,韩军,刘建伟.建筑结构抗震设计扭转周期比控制指标研究[J].建筑结构学报,2009,30(6):77-85.
[23]Juan Carlos De la Llera,Chopra A K.Estimation of accidental torsion effects for seismic design of buildings[J].Journal of Structural Engineer-ing,1995,121(1):102-114.
[24]王墩,阿肯江·托呼提,李娥琼.关于建筑结构偶然偏心问题的讨论[J].工业建筑,2008,38(增刊):290-293.
[25]Bugeja M N,Thambiratnam D P,Brameld G H.The influence of stiffness and strength eccentricities on the inelastic earthquake response of asym-metric structures[J].Engineering Structures,1999,21:856-863.
[26]Ferhi A,Truman K Z.Behaviour of asymmetric building systems under a monotonic load-II[J].Engineering Structures,1996,18(2):142-153.
[27]Aziminejad A,Moghadam A S.Performance of asymmetric multistory shear buildings with different strength distributions[J].Journal of Applied Sciences,2009,9(6):1082-1089.
[28]Bozorgnia Y,Tso W K.Inelastic earthquake response of asymmetric structures[J].Journal of Structural Engineering,1986,112:383-399.
[29]Peter Fajfar,Damjan MARUSˇICˇ,Iztok PERUSˇ.Influence of ground motion intensity on the inelastic torsional response of asymmetric buildings[C]∥13th World Conference on Earthquake Engineering.Canada:Vancouver,2004,Paper No.3496.
[30]Cai Xianhui,Wu Ruifeng,Qi Baohui.Inelastic coupled response of eccentric buildings with respect to different earthquake intensity[J].Applied Mathematics and Mechanics(English Edition),2000,21(5):501-508.
[31]Rigato A B,Medina R A.Influence of angle of incidence on seismic demands for inelastic single-storey structures subjected to bi-directional ground motions[J].Engineering Structures,2007,29:2593-2601.
[32]Alexander N A.The role of phase difference components of ground motions in the torsional response of asymmetric buildings[J].Earthquake En-gineering and Structural Dynamics,2007,36:1385-1406.
[33]Ghobarah A,Biddah A.Dynamic analysis of reinforced concrete frames including joint shear deformation[J].Engineering Structures,1999,21:971-987.
[34]李宏男,孙丽晔.地震面波产生的地震动转动分量研究[J].地震工程与工程振动,2001,21(1):15-23.
[35]何晓宇,李宏男.偏心形式对偏心结构扭转耦联地震响应的影响[J].世界地震工程,2008,24(3):36-44.
[36]戴君武,张敏政,黄玉龙.偏心结构扭转振动研究中几个基本参量的讨论[J].地震工程与工程振动,2002,22(6):38-43.
[37]王宗纲,田春艳,陈志鹏.考虑扭转影响的多层砌体试验模型楼抗震性能分析[J].工程力学,2003(增刊):1319-1325.
[38]Bousias S N,Fardis M N,Spathis A L,et al.Pseudodynamic response of torsionally unbalanced two-storey test structure[J].Earthquake Engi-neering and Structural Dynamics,2007,36:1065-1087.
[39]李兵,李宏男.偏心钢筋混凝土框-剪结构模型的振动台试验[J].沈阳建筑大学学报:自然科学版,2009,25(5):829-833.
[40]Tseng Chien-Chuang,Hwang Shyh-Jiann,Mo Y L,et al.Experiment of torsional-coupled RC building subjected to bi-directional cyclic loading[C]∥Proceedings of the3th International Conference on Advances in Experimental Structural Engineering,San Francisco,California,2009:1-10.
[41]DBJ/T-15-46-2005广东省实施《高层建筑混凝土结构技术规程》(JGJ3-2002)补充规定[S].北京:中国建筑工业出版社2005.
[42]GB50011-2001建筑抗震设计规范[S].北京:中国建筑工业出版社,2001.
[2]韩军,李英民.抗震结构扭转控制及设计方法的国内外规范对比分析[J].西安建筑科技大学学报:自然科学版,2008,40(1):25-32.
[3]Rosenblueth E.Aseismic provisions for the federal district,Mexico[C]∥Proceedings of the2nd World Conference on Earthquake Engineering,Tokyo,1960:2009-2026.
[4]Tezcan S S,Alhan C.Parametric analysis of irregular structures under seismic loading according to the new Turkish Earthquake Code[J].Engi-neering Structures,2001,23:600-609.
[5]Rutenberg A,Pekau O A.Earthquake response of asymmetric buildings:a parametric study[C]∥Proc.4th Canadian Conference on Earthquake Engineering,Vancouver,1983:271-281.
[6]Chopra A K.Dynamics of structures:theory and applications to earthquake engineering[M].3rd ed.University of California at Berkeley,2007:3-8.
[7]Kan C L,Chopra A K.Torsional coupling and earthquake response of simple elastic and inelastic systems[J].Journal of Structural Divisions,1981,107:1569-1588.
[8]Goel R K,Chopra A K.Inelastic seismic response of one-storey asymmetric plan systems:Eeffect of stiffness and strength distribution[J].Earth-quanke Engineering and Structural Dynamics,1990,19:949-970.
[9]Humar J L,Kumar P.Effect of orthogonal inplane structural elements on inelastic torsional response[J].Earthquake Engineering and Structural Dynamics,1999,28:1071-1097.
[10]Dutta S C.Effect of strength deterioration on inelastic seismic torsional behaviour of asymmetric RC buildings[J].Building and Environment,2001,36:1109-1118.
[11]Tso W K,Myslimai.Effect of strength distribution on the inelastic torsional response of asymmetric structural systems[C]∥Proc.of the12th Eu-ropean Conference on Earthquake Engineering,London,2002.
[12]Mario D S,Pintucchi B.A model for analyzing inelastic seismic response of plan-irregular building structures[C]∥15th ASCE Engineering me-chanics conference,New York,Columbia University,2002.
[13]Tso W K,Myslimaj B.A yield displacement distribution-based approach for strength assignment to lateral force-resisting elements having strength dependent stiffness[J].Earthquake Engineering and Structural Dynamics,2003,32:2319-2351.
[14]Smith R S H,Tso W K.Inconsistency of Force-Based Design Procedure[J].JSEE:2002,4(1):47-54.
[15]Stathopoulos K G,Anagnostopoulos S A.Inelastic earthquake included torsion in buildings-results and conclusions from realistic models[C]∥12th European Conference on Earthquake Engineering:Paper Reference453.
[16]Lin Jui-Liang,Tsai Keh-Chyuan.Seismic analysis of two-way asymmetric building systems under bi-directional seismic ground motions[J].Earthquake Engineering and Structural Dynamics,2008,37:305-328.
[17]Jiang W,Hutchinson G L,Chandler A M.Definition of static eccentricity for design of asymmetric shear buildings[J].Engineering Structures,1993,15(3):167-178.
[18]Annigeri S,Mittal A K,Jains A K.Uncoupled frequency ratio in asymmetric buildings[J].Earthquake Engineering and Structural Dynamics,1996,25:871-881.
[19]徐培福,黄吉锋,韦承基.高层建筑结构在地震作用下的扭转振动效应[J].建筑科学,2000,16(1):1-6.
[20]JGJ3-2002高层建筑混凝土结构技术规程[S].北京:中国建筑工业出版社,2002.
[21]徐培福,黄吉锋,韦承基.高层建筑结构的扭转反应控制[J].土木工程学报,2006,39(7):1-8.
[22]李英民,韩军,刘建伟.建筑结构抗震设计扭转周期比控制指标研究[J].建筑结构学报,2009,30(6):77-85.
[23]Juan Carlos De la Llera,Chopra A K.Estimation of accidental torsion effects for seismic design of buildings[J].Journal of Structural Engineer-ing,1995,121(1):102-114.
[24]王墩,阿肯江·托呼提,李娥琼.关于建筑结构偶然偏心问题的讨论[J].工业建筑,2008,38(增刊):290-293.
[25]Bugeja M N,Thambiratnam D P,Brameld G H.The influence of stiffness and strength eccentricities on the inelastic earthquake response of asym-metric structures[J].Engineering Structures,1999,21:856-863.
[26]Ferhi A,Truman K Z.Behaviour of asymmetric building systems under a monotonic load-II[J].Engineering Structures,1996,18(2):142-153.
[27]Aziminejad A,Moghadam A S.Performance of asymmetric multistory shear buildings with different strength distributions[J].Journal of Applied Sciences,2009,9(6):1082-1089.
[28]Bozorgnia Y,Tso W K.Inelastic earthquake response of asymmetric structures[J].Journal of Structural Engineering,1986,112:383-399.
[29]Peter Fajfar,Damjan MARUSˇICˇ,Iztok PERUSˇ.Influence of ground motion intensity on the inelastic torsional response of asymmetric buildings[C]∥13th World Conference on Earthquake Engineering.Canada:Vancouver,2004,Paper No.3496.
[30]Cai Xianhui,Wu Ruifeng,Qi Baohui.Inelastic coupled response of eccentric buildings with respect to different earthquake intensity[J].Applied Mathematics and Mechanics(English Edition),2000,21(5):501-508.
[31]Rigato A B,Medina R A.Influence of angle of incidence on seismic demands for inelastic single-storey structures subjected to bi-directional ground motions[J].Engineering Structures,2007,29:2593-2601.
[32]Alexander N A.The role of phase difference components of ground motions in the torsional response of asymmetric buildings[J].Earthquake En-gineering and Structural Dynamics,2007,36:1385-1406.
[33]Ghobarah A,Biddah A.Dynamic analysis of reinforced concrete frames including joint shear deformation[J].Engineering Structures,1999,21:971-987.
[34]李宏男,孙丽晔.地震面波产生的地震动转动分量研究[J].地震工程与工程振动,2001,21(1):15-23.
[35]何晓宇,李宏男.偏心形式对偏心结构扭转耦联地震响应的影响[J].世界地震工程,2008,24(3):36-44.
[36]戴君武,张敏政,黄玉龙.偏心结构扭转振动研究中几个基本参量的讨论[J].地震工程与工程振动,2002,22(6):38-43.
[37]王宗纲,田春艳,陈志鹏.考虑扭转影响的多层砌体试验模型楼抗震性能分析[J].工程力学,2003(增刊):1319-1325.
[38]Bousias S N,Fardis M N,Spathis A L,et al.Pseudodynamic response of torsionally unbalanced two-storey test structure[J].Earthquake Engi-neering and Structural Dynamics,2007,36:1065-1087.
[39]李兵,李宏男.偏心钢筋混凝土框-剪结构模型的振动台试验[J].沈阳建筑大学学报:自然科学版,2009,25(5):829-833.
[40]Tseng Chien-Chuang,Hwang Shyh-Jiann,Mo Y L,et al.Experiment of torsional-coupled RC building subjected to bi-directional cyclic loading[C]∥Proceedings of the3th International Conference on Advances in Experimental Structural Engineering,San Francisco,California,2009:1-10.
[41]DBJ/T-15-46-2005广东省实施《高层建筑混凝土结构技术规程》(JGJ3-2002)补充规定[S].北京:中国建筑工业出版社2005.
[42]GB50011-2001建筑抗震设计规范[S].北京:中国建筑工业出版社,2001.
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