框架填充墙平面内荷载作用下结构非线性分析
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摘要
为了更好地了解在水平内荷载作用下填充墙对框架结构抗震性能的影响,利用ANSYS有限元软件对其进行平面内荷载作用下非线性分析,分别建立纯框架和框架填充墙结构模型,计算了填充墙在平面内单调递增荷载作用下的承载力、刚度、位移、延性等参数的变化特征。计算结果表明,与框架有效连接的填充墙在平面内荷载作用下对主体结构产生有利影响,其承载力、刚度、延性比纯框架模型都有明显的增大。还研究了填充墙在水平低周反复荷载作用下对框架抗震性能的影响,并得到了相应的滞回曲线。
In order to better understand how the filler wall affects the seismic performance of frame work within the horizontal loads,nonlinear analysis of finite element software ANSYS under in-plane loads is used.Pure frame and infill frame structure models are established to calculate the filler wall variation characteristics of parameters such as bearing capacity,stiffness displacement and ductility under the in-plane increasing loads and receive the effects of filler wall under in-plane loads on seismic performance of frame structure.The calculations indicated that the filler wall which is validly connected to frame structure has favorable impacts on the main structure under in-plane loads and its bearing capacity,stiffness,ductility increased significantly than pure frame model.Moreover,the influence of filler wall on the seismic performance of infill frame structure under laterally reserved low cyclic loading is studied and the corresponding hysteresis curve is obtained.
In order to better understand how the filler wall affects the seismic performance of frame work within the horizontal loads,nonlinear analysis of finite element software ANSYS under in-plane loads is used.Pure frame and infill frame structure models are established to calculate the filler wall variation characteristics of parameters such as bearing capacity,stiffness displacement and ductility under the in-plane increasing loads and receive the effects of filler wall under in-plane loads on seismic performance of frame structure.The calculations indicated that the filler wall which is validly connected to frame structure has favorable impacts on the main structure under in-plane loads and its bearing capacity,stiffness,ductility increased significantly than pure frame model.Moreover,the influence of filler wall on the seismic performance of infill frame structure under laterally reserved low cyclic loading is studied and the corresponding hysteresis curve is obtained.
引文
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[2]周威,郑文忠,佟佳颖,等.汶川地震中房屋震害分析与震损房屋抗震加固[J].哈尔滨工业大学学报,2013,45(12):1-9.ZHOU Wei,ZHENG Wen-zhong,TONG Jia-ying,et al.Seismic strengthening and damage analysis of buildings in Wenchuan earthquake[J].Journal of Harbin Institute of Technology,2013,45(12):1-9.
[3]邓博团,白亮.汶川地震建筑结构震害概述及分析[J].技术与创新管理,2009,30(5):666-668.DENG Bo-tuan,BAI Liang.Overview and analysis on building seismic damage during Wenchuan earthquake[J].Technology and Innovation Management,2009,30(5):666-668.
[4]Chaker Amar A,Cherifati Arslan.Influence of masonry infill planes on the vibration and stiffness characteristics of R/C frame buildings[J].Earthquake Engineering and Structural Dynamics,1999,12(3):1061-1065.
[5]黄群贤,郭子雄,朱雁如,等.混凝土空心砌块填充墙RC框架抗震性能试验研究[J].建筑结构学报,2012,33(2):110-118.HUANG Qun-xian,GUO Zi-xiong,ZHU Yan-ru,et al.Experimental study on seismic behavior of RC frames infilled with concrete hollow blocks[J].Journal of Building Structures,2012,33(2):110-118.
[6]唐兴荣,杨亮,刘利花,等.不同构造措施的砌体填充墙框架结构抗震性能试验研究[J].建筑结构学报,2012,33(10):75-83.TANG Xing-rong,YANG Liang,LIU Li-hua,et al.Experimental study on seismic behavior of masonry in-filled reinforced concrete frame structure with different constructional measures[J].Journal of Building Structure,2012,33(10):75-83.
[7]李英民,韩军,田启祥,等.填充墙对框架结构抗震性能的影响[J].地震工程与工程振动,2009,29(3):51-58.LI Ying-min,HAN Jun,TIAN Qi-xiang,et al.Study on influence of infilled walls on seismic performance of RC frame structures[J].Earthquake Engineering and Engineering Vibration,2009,29(3):51-58.
[8]黄华,叶艳霞.填充墙对框架结构抗抗震性能影响分析[J].土木工程学报,2010,43(S):156-162.HUANG Hua,YE Yan-xia.Influence of filled wall on seismic performance of frame structure[J].China Civil Engineering Journey,2010,43(S):156-162.
[9]孙国利,王曙光,王滋军,等.考虑填充墙作用的框架结构非线性地震反应分析[J].建筑结构,2012,42(S):300-305.SUN Guo-li,WANG Shu-guang,WANG Zi-jun,et al.Nonlinear seismic response analysis of infill wall frame structure considering effect of infill walls[J].Building Structure,2012,42(S):300-305.
[10]孔璟常,翟长海,李爽,等.砌体填充墙RC框架结构平面内抗震性能有限元模拟[J].土木工程学报,2012,45(S2):137-141.KONG Jing-chang,ZHAI Chang-hai,LI Shuang,et al.Study on in-plane seismic performance of solid masonry-infilled RC frame[J].China Civil Engineering Journal,2012,45(S2):137-141.
[11]戴绍斌,余欢,黄俊.填充墙与框架协同工作性能非线性分析[J].地震工程与工程振动,2005,25(3):24-28.DAI Shao-bin,YU Huan,HUANG Jun.Non-linear analysis of coordinated working performance between infilled wall and steel frame[J].Earthquake Engineering and Engineering Vibration,2005,25(3):24-28.
[12]刘肖凡,霍凯成,谷倩,等.新型砌体复合填充墙钢框架体系试验研究及有限元分析[J].西安建筑科技大学学报:自然科学报,2006,38(5):634-638.LIU Xiao-fan,HUO Kai-cheng,Gu Qian,et al.Research and finite element analysis on the steel frame structure with new infilling cavity wall[J].Journal of Xian University of Architecture and Technology:Natural Science Edition,2006,38(5):634-638.
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