考虑土-桩-结构相互作用的体育馆看台地震响应分析
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摘要
基于对分层土条件下的土-群桩基础动力阻抗函数的求解,采用常数阻抗法结合子结构方法对体育馆看台进行了考虑土-桩-结构相互作用的地震响应分析.结果表明:由于地震波频谱特性的差别,体育馆看台结构在不同地震波作用下的最大位移、最大加速度等响应有所差别,EL-Centro波与人工波接近,TAR_TARZANA波作用下响应略小;三层看台的地震响应总体上较一层看台响应有明显的放大.
Based on the solution to the dynamic impedance functions of pile-soil foundations under the conditions of layered soil,it studies the earthquake response of stadium stands with pile-soil structure interaction by combining the constant impedance method with the substructure method via finite element time-history analysis.The finite element calculation results show that the maximum displacement and maximum acceleration response of the stadium stands under the action of different seismic waves are different due to the differences in the frequency spectrum characteristics of the seismic waves.The maximum displacement and maximum acceleration response of the stadium stands under the action of EL-Centro wave and artificial wave are close;the response under the action of TAR_TARZANA wave is slightly smaller,compared with the results of EL-Centro wave and artificial wave.Moreover,under the action of the three seismic waves mentioned above,the seismic response of the upper stand is obviously larger than that of the lower stand.
Based on the solution to the dynamic impedance functions of pile-soil foundations under the conditions of layered soil,it studies the earthquake response of stadium stands with pile-soil structure interaction by combining the constant impedance method with the substructure method via finite element time-history analysis.The finite element calculation results show that the maximum displacement and maximum acceleration response of the stadium stands under the action of different seismic waves are different due to the differences in the frequency spectrum characteristics of the seismic waves.The maximum displacement and maximum acceleration response of the stadium stands under the action of EL-Centro wave and artificial wave are close;the response under the action of TAR_TARZANA wave is slightly smaller,compared with the results of EL-Centro wave and artificial wave.Moreover,under the action of the three seismic waves mentioned above,the seismic response of the upper stand is obviously larger than that of the lower stand.
引文
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[12]蒯行成,沈蒲生.层状介质中群桩水平动力阻抗的简化计算方法[J].振动工程学报,1998,11(3):258-264.Kuai Xing-cheng,Shen Pu-sheng.Simplified method forcalculating horizontal dynamic impedances of pile groupsin layered media[J].Journal of Vibration Engineering,1998,11(3):258-264.
[13]蒯行成,沈蒲生.层状介质中群桩竖向和摇摆动力阻抗的简化计算方法[J].土木工程学报,1999,32(5):62-70.Kuai Xing-cheng,Shen Pu-sheng.Simple method for cal-culating dynamic vertical and rocking impedance of pilegroups in layered media[J].China Civil EngineeringJournal,1999,32(5):62-70.
[14]Wu Wen-hua,Lee Wen-how.Systematic lumped-parame-ter models for foundations based on polynomial-fraction ap-proximation[J].Earthquake Engineering and StructureDynamic,2002,31:1383-1412.
[15]栾茂田,林皋.地基动力阻抗的双自由度集总参数模型[J].大连理工大学学报,1995,36(4):477-482.Luan Mao-tian,Lin Gao.2-DOF lumped-parameter modelof dynamic impedances of foundation soils[J].Journal ofDalian University of Technology,1995,36(4):477-482.
[16]刘伟庆,王海,王曙光,等.群桩基础阻抗函数的集总参数模型研究[J].振动与冲击,2011,30(11):249-259.Liu Wei-qing,Wang Hai,Wang Shu-guang,et al.Lumped-parameter model of pile group impedance function[J].Journal of Vibration and Shock,2011,30(11):249-259.
[17]宋亚新,蒋通,楼梦麟.桩基-非线性框剪结构相互作用体系(下)———相互作用对结构地震反应的影响[J].地震工程与工程振动,2000,20(1):49-55.Song Ya-xin,Jiang Tong,Lou Meng-lin.Pile-nonlinerframe-wall interaction systems.Part II:Effects of interac-tion on seismic responses of structures[J].EarthquakeEngineering and Engineering virbration,2000,20(1):49-55.
[18]楼梦麟,吴京宁.桩基-结构体系的地震响应分析[J].土木工程学报,1999,32(5):56-61.Lou Meng-lin,Wu Jing-ning,Seismic response analysis ofpile foundation structure system[J].China Civil Engineer-ing Journal,1999,32(5):56-61.
[19]Gazetas G,Markris N.Dynamic pile-soil-pile interaction.part I:analysis of axial vibration[J].Earthquake Engi-neering and Structure Dynamic,1991,20(1):115-132.
[20]Kaynia A M,Kausel E.Dynamic stiffness and seismic re-sponse of pile groups[R].Cambridge,Massachusetts:Massa-chusetts Institute of Technology,1982.
[21]马文丽.桩-土-上部结构动力相互作用简化分析方法研究[D].长沙:湖南大学土木工程学院,2004.
[22]孔德森.桩-土相互作用计算模型及其在桩基结构抗震分析中的应用[D].大连:大连理工大学土木水利学院,2004.
[2]袁健,蒋沧如,陈志华.钢管桁架屋盖结构静动力性能的有限元分析[J].空间结构,2010,16(1):71-75.Yuan Jian,Jiang Cang-ru,Chen Zhi-hua.Finite elementanalysis of static and dynamic performance of roof structurewith steel tubular truss[J].Spatral Structures,2010,16(1):71-75.
[3]王冬梅,张爱林,刘学春.新型大跨度弦支穹顶结构的动力特性与抗震试验[J].北京工业大学学报,2012,38(2):194-200.Wang Dong-mei,Zhang Ai-lin,Liu Xue-chun.Novel dy-namical feature and anti-seismic experiment about the bigspan suspend-dome structure[J].Journal of BeiJing Uni-versity of Technology,2012,38(2):194-200.
[4]陈以一,张大照,薛伟辰,等.承载开闭屋盖的预应力混凝土看台结构抗震性能研究[J].土木工程学报,2007,40(8):23-28.Chen Yi-yi,Zhang Da-zhao,Xue Wei-chen,et al.Seismicperformance of a prestressed concrete stadium structuresupporting a retractable steel roof[J].China Civil Engineer-ing Journal,2007,40(8):23-28.
[5]刘洁平,张令心.高层建筑土-结构相互作用地震反应分析简化评估方法[J].土木工程学报,2010,43(12):28-34.Liu Jie-ping,Zhang Ling-xin.A simplified assessmentmethod for seismic response analysis of soil-structure inter-action of high-rise buildings[J].China Civil EngineeringJournal,2010,43(12):28-34.
[6]张令心,刘洁平,石磊.高层建筑土-结构相互作用地震反应分析方法及应用[J].北京工业大学学报,2010,36(1):25-33.Zhang Ling-xin,Liu Jie-ping,Shi Lei.A seismic responseanalysis method considering soil-structure interaction ofhigh-rise buildings and its application.Journal of BeiJingUniversity of Technology,2010,36(1):25-33.
[7]李辉.不同桩型-高层建筑结构体系动力相互作用的对比研究[D].合肥:合肥工业大学土木建筑工程学院,2010.
[8]肖晓春,林皋,迟世春,等.桩-土-结构动力相互作用的分析模型与方法[J].世界地震工程,2002,18(4):123-130.Xiao Xiao-chun,Lin Gao,Chi Shi-chun,et al.Analysismodel and methods of pile-soil-structure dynamic interac-tion[J].World Earthquake Engineering,2002,18(4):123-130.
[9]雷文军,魏德敏.群桩-承台体系动力阻抗的近似计算方法[J].华南理工大学学报:自然科学版,2007,35(3):111-117.Lei Wen-jun,Wei De-min.Approximate calculation of im-pedance of pile group-slab system[J].Journal of South Chi-na University of Technology:Natural Science Edition,2007,35(3):111-117.
[10]雷文军,魏德敏.分层土中群桩的竖向和摇摆动力阻抗计算[J].工程力学,2007,24(2):91-97.Lei Wen-jun,Wei De-min.The Vertical and rocking im-pedances of pile groups in layered soils[J].EngineeringMechanics,2007,24(2):91-97.
[11]雷文军,魏德敏.分层土中单桩和群桩的水平动力阻抗计算[J].工程力学,2004,21(5):36-40.Lei Wen-jun,Wei De-min.The lateral impedances of sin-gle pile and pile groups in layered soils[J].EngineeringMechanics,2004,21(5):36-40.
[12]蒯行成,沈蒲生.层状介质中群桩水平动力阻抗的简化计算方法[J].振动工程学报,1998,11(3):258-264.Kuai Xing-cheng,Shen Pu-sheng.Simplified method forcalculating horizontal dynamic impedances of pile groupsin layered media[J].Journal of Vibration Engineering,1998,11(3):258-264.
[13]蒯行成,沈蒲生.层状介质中群桩竖向和摇摆动力阻抗的简化计算方法[J].土木工程学报,1999,32(5):62-70.Kuai Xing-cheng,Shen Pu-sheng.Simple method for cal-culating dynamic vertical and rocking impedance of pilegroups in layered media[J].China Civil EngineeringJournal,1999,32(5):62-70.
[14]Wu Wen-hua,Lee Wen-how.Systematic lumped-parame-ter models for foundations based on polynomial-fraction ap-proximation[J].Earthquake Engineering and StructureDynamic,2002,31:1383-1412.
[15]栾茂田,林皋.地基动力阻抗的双自由度集总参数模型[J].大连理工大学学报,1995,36(4):477-482.Luan Mao-tian,Lin Gao.2-DOF lumped-parameter modelof dynamic impedances of foundation soils[J].Journal ofDalian University of Technology,1995,36(4):477-482.
[16]刘伟庆,王海,王曙光,等.群桩基础阻抗函数的集总参数模型研究[J].振动与冲击,2011,30(11):249-259.Liu Wei-qing,Wang Hai,Wang Shu-guang,et al.Lumped-parameter model of pile group impedance function[J].Journal of Vibration and Shock,2011,30(11):249-259.
[17]宋亚新,蒋通,楼梦麟.桩基-非线性框剪结构相互作用体系(下)———相互作用对结构地震反应的影响[J].地震工程与工程振动,2000,20(1):49-55.Song Ya-xin,Jiang Tong,Lou Meng-lin.Pile-nonlinerframe-wall interaction systems.Part II:Effects of interac-tion on seismic responses of structures[J].EarthquakeEngineering and Engineering virbration,2000,20(1):49-55.
[18]楼梦麟,吴京宁.桩基-结构体系的地震响应分析[J].土木工程学报,1999,32(5):56-61.Lou Meng-lin,Wu Jing-ning,Seismic response analysis ofpile foundation structure system[J].China Civil Engineer-ing Journal,1999,32(5):56-61.
[19]Gazetas G,Markris N.Dynamic pile-soil-pile interaction.part I:analysis of axial vibration[J].Earthquake Engi-neering and Structure Dynamic,1991,20(1):115-132.
[20]Kaynia A M,Kausel E.Dynamic stiffness and seismic re-sponse of pile groups[R].Cambridge,Massachusetts:Massa-chusetts Institute of Technology,1982.
[21]马文丽.桩-土-上部结构动力相互作用简化分析方法研究[D].长沙:湖南大学土木工程学院,2004.
[22]孔德森.桩-土相互作用计算模型及其在桩基结构抗震分析中的应用[D].大连:大连理工大学土木水利学院,2004.
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