软钢阻尼器对自复位剪力墙性能影响研究
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摘要
介绍了自复位剪力墙复位性能的基本概念,定义自复位能力系数,用于剪力墙的自复位能力大小。利用ABAQUS有限元分析软件,建立自复位剪力墙模型,对模型进行低周反复加载,分析结构的残余变形,最大位移、墙体角部破坏情况、复位能力、耗能能力等,并系统分析软钢阻尼器数量、长度、位置对自复位剪力自复位性能的影响,建立自复位能力系数、墙体受压损伤指标与阻尼器相关参数的关系曲线。
With the introduction of basic concepts about self-centering shear walls,this paper defines the coefficient of self-centering ability of shear wall.By using the finite element analysis software ABAQUS,a selfcentering shear wall model was constructed.Structural analyses were performed to study the residual deformation,the maximal displacement,wall corner damage,self-centering capacity,energy dissipation capacity.Systematic analyses show how the number,length and position of mild steel dampers affect the self-centering wall performances.
With the introduction of basic concepts about self-centering shear walls,this paper defines the coefficient of self-centering ability of shear wall.By using the finite element analysis software ABAQUS,a selfcentering shear wall model was constructed.Structural analyses were performed to study the residual deformation,the maximal displacement,wall corner damage,self-centering capacity,energy dissipation capacity.Systematic analyses show how the number,length and position of mild steel dampers affect the self-centering wall performances.
引文
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[10]蒋欢军,吕西林.新型耗能剪力墙模型低周反复荷载试验研究[J].世界地震工程,2000,16(3):63-67.Jiang Huanjun,Lu Xilin.low reversed cyclic loading research on new energy dissipation shear wall[J].World Earthquake Engineering,2000,16(3):63-67.(in Chinese)
[2]叶列平,Asad U Q,马千里.高强钢筋对框架结构抗震破坏机制和性能控制的研究[J].工程抗震与加固改造,2006,28(1):18-24.Ye Lieping,Asad U Q,Ma Qianli.The research for high strength steel on the seismic damage mechanism and performance control of frame structures[J].Earthquake Resistant Engineering and Retrofitting,2006,28(1):18-24.(in Chinese)
[3]Hasan H K,Tugrul T.Performance of a precast concrete beam-to-beam connection subject to reversed cyclic loading[J].Engineering Struetures,2005,27(9):1392-1407.
[4]Kurama Y,Sause R,Pessiki S,et al.Lateral load behavior and seismic design of unbonded post-tensioned precast concrete walls[J].ACI Structural Journal,1999,96(4):622-633.
[5]Bulent E,Arturo E S.Self-centering behavior of unbonded,post-tensioned precast concrete shear walls[J].Journal of Earthquake Engineering,2009,13(1):1047-1064.
[6]赵斌,吕西林,刘丽珍.全装配式预制混凝土结构梁柱组合件抗震性能试验研究[J].地震工程与工程振动,2005,25(1):81-87.Zhao Bin,Lu Xilin,Liu Lizhen.Experimental research on the seismic performance of precast concrete beam-column assembly structure[J].Earthquake Engineering and Engineering Vibration,2005,25(1):81-87.(in Chinese)
[7]Kurama Y C.Seismic design of unbonded post-tensioned precast concrete walls with supplemental viscous damping[J].ACI Structural Journal,2000,97(4):648-658.
[8]Restrepo J I,Rahman A.Seismic performance of selfcentering structural walls incorporating energy dissipaters[J].Journal of Structural Engineering,2007,133(11):1560-1570.
[9]Ricles J M,Sause R.Posttensioned seismic-resistant connections for steel frame[J].ASCE Journal of Structural Engineering,2001,127(2):113-121.
[10]蒋欢军,吕西林.新型耗能剪力墙模型低周反复荷载试验研究[J].世界地震工程,2000,16(3):63-67.Jiang Huanjun,Lu Xilin.low reversed cyclic loading research on new energy dissipation shear wall[J].World Earthquake Engineering,2000,16(3):63-67.(in Chinese)
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