弹性变形能形式的地震损伤评价模型
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摘要
针对典型地震损伤评价模型存在的缺陷,通过将地震复杂的滞回过程进行简化,提出了一种弹性变形能形式的损伤评价模型;重点阐述了典型的Park地震损伤评价模型以及基于延性系数的地震损伤评价模型,并根据试验数据对这3种模型进行了对比分析。结果表明,新建模型以其正确性与合理性克服了典型地震损伤评价模型的缺陷。
Aimed at the defects of the classic seismic damage assessment model,a model based on form of elastic deformation energy was proposed and the models based on the classic park seismic and the ductility were listed.Taking the complexity of the hysteretic process into account,the hysteretic process was changed into the static state based on the simplification of skeleton curves.Then,a new seismic damage evaluation model was built from the point of energy.According to the data from destructive experiments of four columns,comparisons were executed among the three models.The results show that the new model which is corrective and feasible can overcome the defects of the classic seismic damage assessment model.
Aimed at the defects of the classic seismic damage assessment model,a model based on form of elastic deformation energy was proposed and the models based on the classic park seismic and the ductility were listed.Taking the complexity of the hysteretic process into account,the hysteretic process was changed into the static state based on the simplification of skeleton curves.Then,a new seismic damage evaluation model was built from the point of energy.According to the data from destructive experiments of four columns,comparisons were executed among the three models.The results show that the new model which is corrective and feasible can overcome the defects of the classic seismic damage assessment model.
引文
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[16]吴建营,李杰.混凝土弹塑性损伤本构关系统一模型[J].建筑科学与工程学报,2005,22(4):15-21.WU Jian-ying,LI Jie.Unified Elasto-plastic DamageConstitutive Relations Model for Concrete[J].Journalof Architecture and Civil Engineering,2005,22(4):15-21.
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[18]GB 50010—2002,混凝土结构设计规范[S].GB 50010—2002,Code for Design of Concrete Struc-tures[S].
[19]廖洪军,盛光敏,龚士弘,等.HRB400Ⅲ钢筋抗震性能研究[J].钢铁钒钛,2005,26(4):12-16.LIAO Hong-jun,SHENG Guang-min,GONG Shi-hong,et al.Investigation on Anti-seismic Propertiesof HRB400 Reinforced Steel Bar[J].Iron Steel Vana-dium Titanium,2005,26(4):12-16.
[20]刘良林,王全凤,沈章春.HRB400级钢筋混凝土柱的滞回性能研究[J].华侨大学学报:自然科学版,2008,29(2):280-283.LIU Liang-lin,WANG Quan-feng,SHEN Zhang-chun.Research on the Hysteretic Characters ofHRB400 Grade Reinforced Concrete Columns[J].Journal of Huaqiao University:Natural Science,2008,29(2):280-283.
[2]王全凤,黄庆丰,王凌云.断层剪力墙高层建筑抗震设计理论与关键技术[J].华侨大学学报:自然科学版,2006,27(2):113-118.WANG Quan-feng,HUANG Qing-feng,WANGLing-yun.Theory and Key Technique for the SeismicDesign of High-rise Building with Fault Shear Wall[J].Journal of Huaqiao University:Natural Science,2006,27(2):113-118.
[3]YOUNG J P,ANG A H S.Mechanistic Seismic Dam-age Model for Reinforced Concrete[J].Journal ofStructural Engineering,1985,111(4):722-739.
[4]于海祥.钢筋混凝土结构地震损伤模型研究[D].重庆:重庆大学,2004.YU Hai-xiang.Research on Seismic Damage Model ofReinforced Concrete Structures[D].Chongqing:Chongqing University,2004.
[5]GHOBARAH A,ABOU-ELFATH H,BIDDAH A.Response Based Damage Assessment of Structures[J].Earthquake Engng Struct Dyn,1999,28:79-104.
[6]丁建.钢筋混凝土框架直接基于损伤性能的能力设计理论及方法的研究[D].西安:西安建筑科技大学,2004.DING Jian.Theory and Method of Direct Damage-based Seismic Capacity Design of Reinforced ConcreteFrame Structures[D].Xi an:Xi an University ofArchitecture and Technology,2004.
[7]江见鲸,陆新征,叶列平.混凝土结构有限元分析[M].北京:清华大学出版社,2005.JIANG Jian-jing,LU Xin-zheng,YE Lie-ping.FiniteElement Analysis for Concrete Structures[M].Bei-jing:Tsinghua University Press,2005.
[8]黄庆丰.抗震结构动力响应的卸载分析方法[D].天津:天津大学,2003:78-79.HUANG Qing-feng.Off-loading Analysis Method ofDynamic Response of Anti-seismic Structure[D].Tianjin:Tianjin University,2003:78-79.
[9]邢君.地震作用下钢筋混凝土框架倒塌过程数值模拟[D].天津:河北工业大学,2003:17-20.XING Jun.Numerical Simulation of Collapse Progressof Reinforced Concrete Frame Under Seism[D].Tian-jin:Hebei University of Technology,2003:17-20.
[10]向天宇,赵人达.结构损伤识别的双重网格算法[J].中国公路学报,2006,19(4):94-97.XIANG Tian-yu,ZHAO Ren-da.Dual Mesh Methodfor Structure Damage Detection[J].China Journal ofHighway and Transport,2006,19(4):94-97.
[11]甘亚南,周广春.基于能量变分原理的薄壁箱梁自振特性分析[J].中国公路学报,2007,20(1):73-78.GAN Ya-nan,ZHOU Guang-chun.Analysis of FreeVibration Characteristics of Thin-walled Box GirderBased on Energy Variation Principle[J].China Jour-nal of Highway and Transport,2007,20(1):73-78.
[12]周勇军,彭晓彬,宋一凡.在用简支梁桥横向地震动研究[J].长安大学学报:自然科学版,2008,28(5):58-62.ZHOU Yong-jun,PENG Xiao-bin,SONG Yi-fan.Seismic Vibration of Existing Simply-supported BeamBridges[J].Journal of Chang an University:NaturalScience Edition,2008,28(5):58-62.
[13]曹彩芹,王春玲,王爱勤.指数函数模量成层土上剪切梁的随机地震反应[J].长安大学学报:自然科学版,2008,28(4):66-69.CAO Cai-qin,WANG Chun-ling,WANG Ai-qin.Ran-dom Earthquake Response of Shearing Beam on Strat-ified Foundation with Exponential Function ShearModulus[J].Journal of Chang an University:NaturalScience Edition,2008,28(4):66-69.
[14]楼梦麟,雍国柱,李建元.阻尼特性对组合结构地震反应的影响[J].建筑科学与工程学报,2007,24(2):24-29.LOU Meng-lin,YONG Guo-zhu,LI Jian-yuan.Influ-ence of Damping Characteristics on Seismic Responsesof Composite Structures[J].Journal of Architectureand Civil Engineering,2007,24(2):24-29.
[15]易伟建,张颖.混凝土框架结构抗震设计的弯矩增大系数[J].建筑科学与工程学报,2006,23(2):46-51.YI Wei-jian,ZHANG Ying.Moment MagnificationFactor in Anti-seismic Design of Concrete FrameStructure[J].Journal of Architecture and Civil Engin-eering,2006,23(2):46-51.
[16]吴建营,李杰.混凝土弹塑性损伤本构关系统一模型[J].建筑科学与工程学报,2005,22(4):15-21.WU Jian-ying,LI Jie.Unified Elasto-plastic DamageConstitutive Relations Model for Concrete[J].Journalof Architecture and Civil Engineering,2005,22(4):15-21.
[17]汪梦甫,周锡元.高层建筑结构抗震弹塑性分析方法及抗震性能评估的研究[J].土木工程学报,2003,36(11):44-49.WANG Meng-fu,ZHOU Xi-yuan.Modified PushoverAnalysis and Seismic Performance Evaluation for TallBuilding[J].China Civil Engineering Journal,2003,36(11):44-49.
[18]GB 50010—2002,混凝土结构设计规范[S].GB 50010—2002,Code for Design of Concrete Struc-tures[S].
[19]廖洪军,盛光敏,龚士弘,等.HRB400Ⅲ钢筋抗震性能研究[J].钢铁钒钛,2005,26(4):12-16.LIAO Hong-jun,SHENG Guang-min,GONG Shi-hong,et al.Investigation on Anti-seismic Propertiesof HRB400 Reinforced Steel Bar[J].Iron Steel Vana-dium Titanium,2005,26(4):12-16.
[20]刘良林,王全凤,沈章春.HRB400级钢筋混凝土柱的滞回性能研究[J].华侨大学学报:自然科学版,2008,29(2):280-283.LIU Liang-lin,WANG Quan-feng,SHEN Zhang-chun.Research on the Hysteretic Characters ofHRB400 Grade Reinforced Concrete Columns[J].Journal of Huaqiao University:Natural Science,2008,29(2):280-283.
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