小震作用下围护墙多功能减震结构协同工作的计算方法
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摘要
围护墙多功能减震结构体系是一种新的减震结构,其中围护墙与主体结构在小震作用下二者共同工作抵抗地震作用,而在中、大震作用下形成TMD减震结构。本文旨在提出该结构体系在小震作用下框架与围护墙协调工作的一种计算方法,为在中大震作用下的后续研究及其在实际工程中的应用提供了理论基础。根据围护墙多功能减震结构中填充墙与外框架的构造特点,提出横向载荷作用下的计算模型;通过变形协调原理对其进行受力分析,建立了单跨单层该多功能墙体结构横向位移及各组成构件受力表达式。计算分析表明:各组件剪力分配只与各组件的刚度及宽度比有关;各组件的受力在λ增大时,填充墙对柱的反作用力逐渐降低,框架梁的反作用力逐渐增大;当λ≤0.02604时,填充墙是主要的受力部件。
Enclosure wall multi-functional structure system is a kind of new vibration reducing structure.Under the small earthquake, enclosure wall and the main structure work together to resist seismic action, and under medium and strong earthquakes the TMD damping structure will be formed. It is put forward to a calculation method for the coordination work of framework structure and enclosure wall under small earthquakes. This method provided theoretical basis for the future researches and the application for the structure system. The calculation model under lateral loading is proposed based on the construction features of infill wall and shell frame in the enclosure wall multifunctional vibration absorption structure.The stress expressions of lateral displacement and every component of single span and single layer structure were built with the principle of deformation harmony analysis. The calculation analysis shows that shear force distribution of components is only related to with stiffness and width of components. The reacting forces to the columns gradually decrease while the ones to the framed girder gradually increase as λ increases.
Enclosure wall multi-functional structure system is a kind of new vibration reducing structure.Under the small earthquake, enclosure wall and the main structure work together to resist seismic action, and under medium and strong earthquakes the TMD damping structure will be formed. It is put forward to a calculation method for the coordination work of framework structure and enclosure wall under small earthquakes. This method provided theoretical basis for the future researches and the application for the structure system. The calculation model under lateral loading is proposed based on the construction features of infill wall and shell frame in the enclosure wall multifunctional vibration absorption structure.The stress expressions of lateral displacement and every component of single span and single layer structure were built with the principle of deformation harmony analysis. The calculation analysis shows that shear force distribution of components is only related to with stiffness and width of components. The reacting forces to the columns gradually decrease while the ones to the framed girder gradually increase as λ increases.
引文
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[9]何明胜,石桂菊,张红彬,等.调谐质量减震技术的研究及其应用前景[J].石河子大学学报:自然科学版,2010,28(5):618-624.He Mingsheng,Shi Guiju,Zhang hongbin,et al.Development of Research and Application of Tuned Control[J].Journal of Shihezi University(Natural Science),2010,28(5):618-624.
[10]卢俊龙,何明胜,田洁.新型围护墙MTMD减震结构减震性能试验研究[J].建筑结构,2013,43(4):55-59.Lu Junlong,He Mingsheng,Tian Jie.Test Research on Vibration Absorption Performance of Enclosure Wall MTMD Vibration Absorption Structure[J].Building Structure,2013,43(4):55-59.
[11]朱晓霞,何明胜,石磊巍,等.围护墙多功能减震结构的地震反应频响分析[J].石河子大学学报:自然科学版,2014,32(3):378-385.Zhu Xiaoxia,He Mingsheng,Shi Leiwei,et al.Study on the Earthquake Response of the Enclosure Wall with Multifunctional Vibration Absorption Structure[J].Journal of Shihezi University(Natural Science),2014,32(3):378-385
[12]孙训方.材料力学[M].5版.北京:高等教育出版社,2011:157-161.
[13]吕西林.高层建筑结构[M].2版.武汉:武汉理工大学出版社有限责任公司,2010:52-58.
[2]曹万林,庞国新,李云霄,等.轻质填充墙异型柱边框架抗震性能研究[J].地震工程与工程震动,1997(2):106-112.Cao Wanlin,Pang Guoxin,Li Yunxiao,et al.Test Research on Aseismic Behavior of Edge Frame with Special-shaped Columns and Light-weight Filled Walls[J].Earthquake Engineering and Engineering Vibration,1997(2):106-112.
[3]刘玉妹,李国强.带填充墙钢框架结构抗侧力性能试验及理论研究[J].建筑结构学报,2005,26(3):75-84.Liu Yushu,Li Guoqiang.Experimental and Theoretical Research on Lateral Load Resistance of Steel Frameswith Infilled Walls[J].Journal of Building Structures,2005,26(3):75-84.
[4]Moghadam H A,Mohammadi M Gh,Ghaemian M.Experimentaland Analytical Investigation into Crack Strength Determination of Infilled Steel Frames[J].Journal of Constructional Steel Research,2006,62(12):1341-1352.
[5]李国华,郁银泉,顾强.钢框架内填混凝土墙结构体系有限元分析[J].四川建筑科学研究,2007,33(5):17-20.Li Guohua,Yu Yinquan,Gu Qiang.Finite Element Analysis for Concrete Infilled Steel Frame[J].Sichuan Building Science,2007,33(5):17-20.
[6]Amin Mohebkhah,Tasnimi A A,Moghadam H A.Nonlinear Analysis of Masonry-Infilled Steel Frames with Openings Using Discrete Element Method[J].Journal of Constructional Steel Research,2008,64(12):1463-1472.
[7]何明胜,姚谦峰,黄炜,等.横向荷载作用下密肋复合墙体计算模型及承载力计算方法研究[J].地震工程与工程震动,2008,28(5):102-107.He Mingsheng,Yao Qianfeng,Huang Wei,et al.Calculation Model and Capacitymethod Ofmulti-Ribbed Composite Wall Structure Under Transverse Loads[J].Journal of Earthquake Engineering And Engineering Vibration,2008,28(5):102-107.
[8]张红彬,何明胜,刘成钢.围护墙多功能减震结构的减震性能[J].石河子大学学报:自然科学版,2009,27(5):637-641.Zhang Hongbin,He Mingsheng,Liu Chenggang.A The Behavior of Multi-functional Vibration-absorption Enclosure W alls Structures[J].Journal of Shihezi University(Natural Science),2009,27(5):637-641.
[9]何明胜,石桂菊,张红彬,等.调谐质量减震技术的研究及其应用前景[J].石河子大学学报:自然科学版,2010,28(5):618-624.He Mingsheng,Shi Guiju,Zhang hongbin,et al.Development of Research and Application of Tuned Control[J].Journal of Shihezi University(Natural Science),2010,28(5):618-624.
[10]卢俊龙,何明胜,田洁.新型围护墙MTMD减震结构减震性能试验研究[J].建筑结构,2013,43(4):55-59.Lu Junlong,He Mingsheng,Tian Jie.Test Research on Vibration Absorption Performance of Enclosure Wall MTMD Vibration Absorption Structure[J].Building Structure,2013,43(4):55-59.
[11]朱晓霞,何明胜,石磊巍,等.围护墙多功能减震结构的地震反应频响分析[J].石河子大学学报:自然科学版,2014,32(3):378-385.Zhu Xiaoxia,He Mingsheng,Shi Leiwei,et al.Study on the Earthquake Response of the Enclosure Wall with Multifunctional Vibration Absorption Structure[J].Journal of Shihezi University(Natural Science),2014,32(3):378-385
[12]孙训方.材料力学[M].5版.北京:高等教育出版社,2011:157-161.
[13]吕西林.高层建筑结构[M].2版.武汉:武汉理工大学出版社有限责任公司,2010:52-58.
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