钢管混凝土-钢板深梁结构抗震性能分析
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摘要
提出了钢管混凝土-钢板深梁结构,它由钢管混凝土柱、柱间钢板深梁两种构件组成。为深入研究该结构的抗震性能,在典型模型构件试验基础上,用ABAQUS软件对不同钢板深梁布置与间距、不同钢板深梁厚度、不同钢板深梁跨高比的试件进行了数值模拟,模拟中考虑了基础锚固滑移对试件顶部位移的影响。研究表明:随着钢板深梁布置数量的增多和钢板深梁厚度的增大,结构承载力和刚度明显提高,但提高幅度逐渐减慢,而延性有所降低;随着钢板深梁跨高比的增大,结构的刚度和承载力逐步减小,延性逐步提高;合理设计钢板深梁布置位置与间距的试件与整体钢板试件相比,虽承载力和刚度有所降低,但延性和钢板弹塑性耗能能力显著提高,有利于抗震。在满足构造要求下,钢管混凝土-钢板深梁结构具有良好的抗震耗能性能,可用于高层建筑结构抗震设计。
A structure composed of two kinds of members,concrete filled steel tube(CFST) columns and deep steel plate beams set between columns,was presented.In order to explore its seismic behavior,numerical simulation of specimens with different spaces between beams,different thickness of deep steel plate beams,and different span-depth ratio was carried out by software ABAQUS based on tests of typical models.The influence of anchor and slip of foundation on the displacement at the top of models was considered in simulation.Results show that the load-bearing capacity and stiffness of the models increase significantly with the increase of amount and thickness of deep steel plate beams,but the increased amplitude drops gradually and ductility reduces.The stiffness and load-bearing capacity gradually decrease and the ductility increases with the increase of the span-depth ratio.Compared with general integrated steel specimen,the specimen designed reasonably in arrangement of location and spacing of deep steel plate beam shows better ductility and higher elastic-plastic energy dissipation capacity except that the load-bearing capacity and stiffness decrease.The structure with CFST columns and deep steel plate beams shows better seismic behavior and higher energy dissipation capacity under suitable constructional requirements.It can be applied to the structure design of high-rise buildings.
A structure composed of two kinds of members,concrete filled steel tube(CFST) columns and deep steel plate beams set between columns,was presented.In order to explore its seismic behavior,numerical simulation of specimens with different spaces between beams,different thickness of deep steel plate beams,and different span-depth ratio was carried out by software ABAQUS based on tests of typical models.The influence of anchor and slip of foundation on the displacement at the top of models was considered in simulation.Results show that the load-bearing capacity and stiffness of the models increase significantly with the increase of amount and thickness of deep steel plate beams,but the increased amplitude drops gradually and ductility reduces.The stiffness and load-bearing capacity gradually decrease and the ductility increases with the increase of the span-depth ratio.Compared with general integrated steel specimen,the specimen designed reasonably in arrangement of location and spacing of deep steel plate beam shows better ductility and higher elastic-plastic energy dissipation capacity except that the load-bearing capacity and stiffness decrease.The structure with CFST columns and deep steel plate beams shows better seismic behavior and higher energy dissipation capacity under suitable constructional requirements.It can be applied to the structure design of high-rise buildings.
引文
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[7]韩林海,杨有福.现代钢管混凝土结构技术[M].2版.北京:科学出版社,2007.HAN Linhai,YANG Youfu.Modern Concrete Filled Steel Tube Structure Technology[M].2nd.Beijing:Science Press,2007.(in Chinese)
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[9]Driver Robert G,Kulak Geoffrey L,Kennedy D J Laurie,et al.Cyclic test of four-story steel plate shear wall[J].Journal of Structure Engineer-ing,1998,124(2):112-120.
[10]董宏英,蒋峰,曹万林.钢-混凝土组合剪力墙抗震研究与发展[J].地震工程与工程振动,2012,32(1):54-61.DONG Hongying,JIANG Feng,CAO Wanlin.Development and research in seismic performance of steel-concrete composite shear wall[J].Earthquake Engineering and Engineering Vibration,2012,32(1):54-61.(in Chinese)
[11]GB50010-2010混凝土结构设计规范[S].北京:中国建筑工业出版社,2011.GB50010-2010Code for design of concrete structures[S].Beijing:Building Industry Press of China,2011.(in Chinese)
[2]容柏生,李盛勇,陈洪涛.中国高层建筑中钢管混凝土柱的应用与展望[J].建筑结构,2009,39(9):33-38.RONG Baisheng,LI Shengyong,CHEN Hongtao.Application and future perspective of concrete fill steel tube column in tall buildings[J].?Building Structure,2009,39(9):33-38.(in Chinese)
[3]郭彦林,周明.钢板剪力墙的分类及性能[J].建筑科学与工程学报,2009,26(3):1-13.GUO Yanlin,ZHOU Ming.Categorization and performance of steel plate shear wall[J].Journal of Architecture and Civil Engineering,2009,26(3):1-13.(in Chinese)
[4]吕西林,董宇光,丁子文.截面中部配置型钢的混凝土剪力墙抗震性能研究[J].地震工程与工程振动,2006,26(6):101-107.LU Xilin,DONG Yuguang,DING Ziwen.Study on seismic behavior of steel reinforced concrete wall[J].Earthquake Engineering and Engineer-ing Vibration,2006,26(6):101-107.(in Chinese)
[5]刘维亚主编.钢与混凝土组合结构理论与实践[M].中国建筑工业出版社,2008.LIU Weiya.Theory and Practice on Steel-Concrete Composite Structure[M].China Architecture&Building Press,2008.(in Chinese)
[6]聂建国,卜凡民,樊健生.低剪跨比双钢板-混凝土组合剪力墙抗震性能试验研究[J].建筑结构学报,2011,32(11):74-81.NIE Jianguo,BU Fanmin,FAN Jiansheng.Experimental research on seismic behavior of low shear-span ratio composite shear wall with doublesteel plates and infill concrete[J].Journal of Building Structures,2011,32(11):74-81.(in Chinese)
[7]韩林海,杨有福.现代钢管混凝土结构技术[M].2版.北京:科学出版社,2007.HAN Linhai,YANG Youfu.Modern Concrete Filled Steel Tube Structure Technology[M].2nd.Beijing:Science Press,2007.(in Chinese)
[8]Makoto Maruta,Norio Suzuki,Takashi Miyashita,et al.Structural capacities of H-shaped RC core wall subjected to lateral load and torsion[C]∥12WCEE.Paper No.1028,FEB,2000.
[9]Driver Robert G,Kulak Geoffrey L,Kennedy D J Laurie,et al.Cyclic test of four-story steel plate shear wall[J].Journal of Structure Engineer-ing,1998,124(2):112-120.
[10]董宏英,蒋峰,曹万林.钢-混凝土组合剪力墙抗震研究与发展[J].地震工程与工程振动,2012,32(1):54-61.DONG Hongying,JIANG Feng,CAO Wanlin.Development and research in seismic performance of steel-concrete composite shear wall[J].Earthquake Engineering and Engineering Vibration,2012,32(1):54-61.(in Chinese)
[11]GB50010-2010混凝土结构设计规范[S].北京:中国建筑工业出版社,2011.GB50010-2010Code for design of concrete structures[S].Beijing:Building Industry Press of China,2011.(in Chinese)
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