基于Push-over方法的框支短肢剪力墙转换层结构弹塑性分析
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摘要
框支短肢剪力墙结构是短肢墙与框支剪力墙相结合而产生的一种结构形式,由于短肢剪力墙的特性,使得其与框支剪力墙结构有很大的不同。为了研究框支短肢剪力墙转换层结构的弹塑性性能,分别以一榀框支短肢剪力墙斜柱式转换试件和一榀相同尺寸的框支短肢剪力墙梁式转换试件为研究对象,对其中的剪力墙做适当的简化后进行Push-over分析,并将分析结果与低周反复荷载试验得到的试验结果对比分析。分析结果表明:计算结果与试验值有较好的吻合;斜柱式转换层结构具有良好的延性和极限刚度。
The frame-supported short-leg shear wall structure is a combination of the short-leg shear wall structure and the frame-supported shear wall structure.According to the specialty of short-leg shear wall,the frame-supported short-leg shear wall structure is quite different from the normal frame-supported shear wall structure in structural forms and load-bearing characteristics.Simplified method was adopted to simulate the short-leg shear wall respectively on the model of inclined column-shaped transfer floor structure of frame-supported short-leg shear wall and the model of beam-shaped transfer floor structure of frame-supported short-leg shear wall,and the two models were studied by both cyclic loading test and Push-over analysis.Comparative analysis on the results of Push-over analysis and cyclic loading test shows that the values analyzed from Push-over are similar to the values from experiments;inclined column-shaped transfer floor structure has a good ductility and limit stiffness.
The frame-supported short-leg shear wall structure is a combination of the short-leg shear wall structure and the frame-supported shear wall structure.According to the specialty of short-leg shear wall,the frame-supported short-leg shear wall structure is quite different from the normal frame-supported shear wall structure in structural forms and load-bearing characteristics.Simplified method was adopted to simulate the short-leg shear wall respectively on the model of inclined column-shaped transfer floor structure of frame-supported short-leg shear wall and the model of beam-shaped transfer floor structure of frame-supported short-leg shear wall,and the two models were studied by both cyclic loading test and Push-over analysis.Comparative analysis on the results of Push-over analysis and cyclic loading test shows that the values analyzed from Push-over are similar to the values from experiments;inclined column-shaped transfer floor structure has a good ductility and limit stiffness.
引文
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[5]祁勇,钟树生.不同肢厚比框支短肢剪力墙斜柱式转换层结构的抗震试验研究[D].重庆:重庆大学,2008.Qi Y,Zhong S S.Experimental study on seismicbehaviors of inclined column-shaped transfer floorstructures of frame-supported short-leg shearwall withvaried ratio of thickness[D].Chongqing:ChongqingUniversity,2008.(in Chinese)
[6]卢挺,钟树生.框支短肢剪力墙结构中斜柱式与梁式转换结构的抗震试验研究[D].重庆:重庆大学,2006.Lu T,Zhong S S.Experimental study on seismicbehaviors of inclined column-shaped and beam-shapedtransfer floor in frame-supported short-leg shear wallstructures[D].Chongqing:Chongqing University,2006.(in Chinese)
[7]杨春玲,钟树生.框支短肢剪力墙结构中斜柱式与梁式转换结构的受力性能与弹塑性分析[D].重庆:重庆大学,2007.Yang C L,Zhong S S.The mechanical behavior andelastic-plastic analysis on inclined column-shaped&beam-shaped transfer floor in frame-supported short-legshear wall structures[D].Chongqing:ChongqingUniversity,2007.(in Chinese)
[8]Hiraishi H,Kawashima T.Deformation behavior ofshear walls after flexural yielding[C]∥Proc.of 9thWCEE.Toyko,1988,8:653-658.
[2]叶燎原,潘文.结构静力弹塑性分析(Push-over)的原理和计算实例[J].建筑结构学报,2000,21(1):37-43.Ye L Y,Pan W.The principle of nonlinear staticanalysis(Push-over)and numerical examples[J].Journal of Building Structures,2000,21(1):37-43.(in Chinese)
[3]陈建兴,姜文伟,穆为.Pushover分析在性能化抗震设计中的应用[J].结构工程师,2008(3):81-86.Chen J X,Jiang W W,Mm W.Application of Pushoveranalysis in performance based seismic design[J].Structural Engineers,2008(3):81-86.(in Chinese)
[4]朱慈勉,应丹君.竖向不规则结构Pushover分析的侧向荷载分布模式研究[J].结构工程师,2009(2):29-34.Zhu C M,Ying D J.Research on lateral load patternsin Pushover analysis of vertically irregular structures[J].Structural Engineers,2009(2):29-34.(inChinese)
[5]祁勇,钟树生.不同肢厚比框支短肢剪力墙斜柱式转换层结构的抗震试验研究[D].重庆:重庆大学,2008.Qi Y,Zhong S S.Experimental study on seismicbehaviors of inclined column-shaped transfer floorstructures of frame-supported short-leg shearwall withvaried ratio of thickness[D].Chongqing:ChongqingUniversity,2008.(in Chinese)
[6]卢挺,钟树生.框支短肢剪力墙结构中斜柱式与梁式转换结构的抗震试验研究[D].重庆:重庆大学,2006.Lu T,Zhong S S.Experimental study on seismicbehaviors of inclined column-shaped and beam-shapedtransfer floor in frame-supported short-leg shear wallstructures[D].Chongqing:Chongqing University,2006.(in Chinese)
[7]杨春玲,钟树生.框支短肢剪力墙结构中斜柱式与梁式转换结构的受力性能与弹塑性分析[D].重庆:重庆大学,2007.Yang C L,Zhong S S.The mechanical behavior andelastic-plastic analysis on inclined column-shaped&beam-shaped transfer floor in frame-supported short-legshear wall structures[D].Chongqing:ChongqingUniversity,2007.(in Chinese)
[8]Hiraishi H,Kawashima T.Deformation behavior ofshear walls after flexural yielding[C]∥Proc.of 9thWCEE.Toyko,1988,8:653-658.
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