框架-自复位墙结构抗震性能的研究
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摘要
具有自复位及摇摆特性的结构体系是近些年来提出的新型结构体系,相对于传统的框架和剪力墙结构,这类结构在地震作用下结构的变形和损伤控制等方面具有独特的优势。利用通用有限元软件ABAQUS分别对具有相同框架部分和墙体布置的框架-剪力墙结构、框架-自复位墙结构和纯框架结构的有限元算例进行了静力弹塑性分析和弹塑性时程分析,通过对这三种结构体系的承载力、变形和结构耗能进行对比,来进一步说明框架-自复位墙结构的结构特点,最后通过弹塑性时程分析,对阻尼器对于框架-自复位墙结构抗震性能的作用进行了初步的探讨。
Self-centering and rocking structures have been proposed as new structural systems in recent years.Compared with the traditional frame and shear wall structure,this kind of structure has an unique advantages in structural deformantion and damage control under earthquake inputs.In this paper,a frame shear wall structure,a frame self-centering wall structure and a frame structure with the same frame system and walls layout were simulated by using the finite element programe ABAQUS.Both pushover and elasto-plastic time-history analyses were carried out.Carrying capacity,deformation and energy dissipation were compared to further illustrate the structural characteristics of the frame self-centering wall structure.In the end,a preliminary analysis was conducted to study the impact of damper on the frame self-centering wall structure.
Self-centering and rocking structures have been proposed as new structural systems in recent years.Compared with the traditional frame and shear wall structure,this kind of structure has an unique advantages in structural deformantion and damage control under earthquake inputs.In this paper,a frame shear wall structure,a frame self-centering wall structure and a frame structure with the same frame system and walls layout were simulated by using the finite element programe ABAQUS.Both pushover and elasto-plastic time-history analyses were carried out.Carrying capacity,deformation and energy dissipation were compared to further illustrate the structural characteristics of the frame self-centering wall structure.In the end,a preliminary analysis was conducted to study the impact of damper on the frame self-centering wall structure.
引文
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[13]高杰,薛彦涛,王磊,等.JY-SS-I型软钢阻尼器试验研究[J].土木工程与管理学报,2011,28(3):336-337.Gao Jie,Xue Yantao,Wang Lei,et al.Experimental study of JY-SS-I mild steel damper[J].Journal of Civil Engineering and Management,2011,28(3):336-337.(in Chinese)
[2]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.
[3]Wada A,Qu Z,Ito H,et al.Seismic retrofit using rocking walls and steel dampers[C].Proceedings of ATC/SEI Conference on Improving the Seismic Performance of Existing Buildings and Other Structures.San Francisco,CA,USA:Applied Technology Council,2009.
[4]曲哲,叶列平.摇摆墙-框架体系的抗震损伤机制控制研究[J].地震工程与工程振动,2011,31(4):40-50.Qu Zhe,Ye Lieping.Seismic damage mechanism control of rocking wall-frame system[J].Journal of Earthquake Engineering and Engineering Vibration,2011,31(4):40-50.(in Chinese).
[5]吕西林,金国芳,吴晓涵.钢筋混凝土结构非线性有限元理论与应用[M].上海:同济大学出版社,1997.Lu Xilin,Jin Guofang,Wu Xiaohan.Theory and application for the nonlinear finite element analysis of reinforced concrete structures[M].Shanghai:Tongji University Press,1997.(in Chinese).
[6]中华人民共和国城乡建设部.GB 50010—2010混凝土结构设计规范[S].北京:中国建筑工业出版社,2010.Ministry of Construction of the People’s Republic of China.GB 50010—2010 Code for design of concrete structures[S].Beijing:China Architecture and Building Press,2010.(in Chinese)
[7]门俊,陆新征,宋二祥,等.分层壳模型在剪力墙结构计算中的应用[J].防护工程,2006,28(3):9-13.Meng Jun,Lu Xinzheng,Song Erxiang,et al.Application of layered model in analysis of shear wall structures[J].Protective Engineering,2006,28(3),913.(in Chinese)
[8]陆新征,叶列平,缪志伟,等.建筑抗震弹塑性分析原理、模型与在ABAQUS,MSC.MARC和SAP2000上的实践[M].北京:中国建筑工业出版社,2009.Lu Xingzheng,Ye Lieping,Miu Zhiwei,et al.Elasto-plastic analysis of buildings against earthquaketheory,model and implementation on ABAQUS,MSC.MARC and SAP2000[M].Beijing:China Architecture and Building Press,2009.(in Chinese)
[9]ATC.“Seismic evaluation and retrofit of concrete buildings”[R].Report No.ATC-40.Applied Technology Council,Redwood City,California,1996.
[10]SAP2000 Analysis reference[R].Computers and Structures,Inc.,1998.
[11]温东辉,宋凤明,刘自成,等.建筑抗震用低屈服点钢的生产与应用[J].建筑钢结构进展,2009,11(5):16-19.Wen Donghui,Song Fengming,Liu Zicheng,et al.Manufacture and application of low yield point steel used for earthquake resistant[J].Progress in Steel Building Structures,2009,11(5):16-19.(in Chinese)
[12]杨振祥.低屈服点钢剪切板阻尼器耗能减震性能研究[D].哈尔滨:哈尔滨工业大学.2011.Yang Zhenxiang.Research on energy dissipation of shear panels dampers made of low yield steel[D].Harbin:Harbin Institute of Technology,2011.(in Chinese)
[13]高杰,薛彦涛,王磊,等.JY-SS-I型软钢阻尼器试验研究[J].土木工程与管理学报,2011,28(3):336-337.Gao Jie,Xue Yantao,Wang Lei,et al.Experimental study of JY-SS-I mild steel damper[J].Journal of Civil Engineering and Management,2011,28(3):336-337.(in Chinese)
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