带装配式MDW混凝土框架抗震性能研究
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摘要
为研究带装配式金属消能减震复合墙板(metal energy dissipation composite wallboard,MDW)混凝土框架的抗震性能,基于有限元数值分析软件ABAQUS建立了10榀单层单跨带装配式MDW混凝土框架试件的有限元模型,分别研究耗能钢板厚度、墙板厚度及墙板间距等参数对试件抗震性能的影响,并将空框架数值模拟结果与已有相关试验结果进行对比验证,以确定数值仿真分析的正确性。研究结果表明:增加耗能钢板厚度能够明显提高试件的滞回性能、初始刚度、承载力,耗能钢板厚度过大的试件框架梁两端弯矩差值较大;增加墙板厚度,试件的初始刚度略有增加,墙板厚度变化对试件的抗震性能影响较小;随着墙板间距的增加,试件的耗能能力、初始刚度及承载力有所降低,延性略有提高。
To study the seismic performance of concrete frames with prefabricated metal energy dissipation composite wallboard(MDW),10 numerical models of concrete frames with prefabricated metal energy dissipation composite wallboard were developed for seismic performance analysis based on the finite element numerical analysis software ABAQUS.Three main factors of MDW,namely,the thickness of the consuming steel plate,the thickness and spacing of wallboard,were evaluated.The numerical simulation results of the empty frame were compared with the existing experimental results,and the rationality of the numerical simulation was determined.The result showed that the hysteretic performance,initial stiffness and bearing capacity of the specimen can be improved by increasing the thickness of the steel plate.The difference of bending moment between the two ends of a frame beam with a large thickness of steel plate was larger.When the wall thickness was increased,the initial stiffness of the specimen was slightly increased.The change of wall thickness has little effect on the seismic performance of the specimen.With the increase of wallboard panel spacing,the energy dissipation capacity,initial stiffness and bearing capacity of the specimen were decreased,and the ductility was slightly improved.
To study the seismic performance of concrete frames with prefabricated metal energy dissipation composite wallboard(MDW),10 numerical models of concrete frames with prefabricated metal energy dissipation composite wallboard were developed for seismic performance analysis based on the finite element numerical analysis software ABAQUS.Three main factors of MDW,namely,the thickness of the consuming steel plate,the thickness and spacing of wallboard,were evaluated.The numerical simulation results of the empty frame were compared with the existing experimental results,and the rationality of the numerical simulation was determined.The result showed that the hysteretic performance,initial stiffness and bearing capacity of the specimen can be improved by increasing the thickness of the steel plate.The difference of bending moment between the two ends of a frame beam with a large thickness of steel plate was larger.When the wall thickness was increased,the initial stiffness of the specimen was slightly increased.The change of wall thickness has little effect on the seismic performance of the specimen.With the increase of wallboard panel spacing,the energy dissipation capacity,initial stiffness and bearing capacity of the specimen were decreased,and the ductility was slightly improved.
引文
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[12]徐虎,吴从晓,熊晓鹏,等.新型预制装配式金属消能减震复合墙板抗震性能研究[J].工程抗震与加固改造,2018,40(4):64-72.XU Hu,WU Congxiao,XIONG Xiaopeng,et al.Seismic performance research of new prefabricated metal energy dissipation composite wallboard[J].Earthquake Resistant Engineering and Retrofitting,2018,40(4):64-72.(in Chinese)
[13]吴从晓,徐虎,吴从永.一种装配式消能减震填充墙板结构:中国,CN107700705A[P].2018-02-16.WU Congxiao,XU Hu,WU Congyong.An prefabricated type energy dissipation filled wall panel:China,CN107700705A[P].2018-02-16.(in Chinese)
[14]龙佳栋.装配式混凝土框架减震墙板结构抗震性能研究[D].广州:广州大学,2016.LONG Jiadong.Studies on seismic performance of prefabricated frame-damping wall structure[D].Guangzhou:Guangzhou University,2016.(in Chinese)
[15]中华人民共和国住房和城乡建设部.GB 50010-2010.混凝土结构设计规范[S].北京:中国建筑工业出版社,2015.Ministry of Housing and Urban-Rural Construction of the People’s Republic of China.GB 50010-2010.Code for design of concrete structures[S].Beijing:China Architecture&Building Press,2015.(in Chinese)
[2]金昊贵,李鸿晶,孙广俊.地震作用下钢筋混凝土框架-填充墙相互作用分析[J].地震工程与工程振动,2017,37(4):31-41.JIN Haogui,LI Hongjing,SUN Guangjun.Analysis of interaction between reinforced concrete frame and infilled wall subject to earthquake-induced ground motion[J].Earthquake Engineering and Engineering Dynamics,2017,37(4):31-41.(in Chinese)
[3]郭宏超,孙立建,刘云贺,等.内填再生混凝土墙的柔性钢框架结构抗震性能试验研究[J].建筑结构学报,2017,38(7):103-112,128.GUO Hongchao,SUN Lijian,LIU Yunhe,et al.Experimental research on seismic behavior of flexible steel frame with infilling recycled concrete wall[J].Journal of Building Structures,2017,38(7):103-112,128.(in Chinese)
[4]魏文晖,徐沛韬,高湛,等.框架-嵌入式墙体结构抗震性能试验研究与有限元分析[J].建筑结构学报,2017,38(5):92-99.WEI Wenhui,XU Peitao,GAO Zhan,et al.Experimental and analytical study on seismic performance of frame-embedded walls[J].Journal of Building Structures,2017,38(5):92-99.(in Chinese)
[5]PRETI M,MIGLIORATI L,GIURIANI E.Experimental testing of engineered masonry infill walls for post-earthquake structural damage control[J].Bulletin of Earthquake Engineering,2015,13(7):2029-2049.
[6]周云,彭水淋,吴从永,等.新型框架阻尼填充墙的设计与分析[J].工程抗震与加固改造,2011,33(4):79-84.ZHOU Yun,PENG Shuilin,WU Congyong,et al.Design and analysis of a new infilled damping wall[J].Earthquake Resistant Engineering and Retrofitting,2011,33(4):79-84.(in Chinese)
[7]周云,郭阳照,廖奕发,等.阻尼填充墙单元性能试验研究[J].土木工程学报,2013,46(5):56-63.ZHOU Yun,GUO Yangzhao,LIAO Yifa,et al.Experimental study on the performances of damped infill wall unit[J].China Civil Engineering Journal,2013,46(5):56-63.(in Chinese)
[8]周云,童博,陈章彦,等.阻尼填充墙加固震损框架抗震性能试验研究[J].土木工程学报,2018,51(1):68-75.ZHOU Yun,TONG Bo,CHEN Zhangyan,et al.Experimental study on seismic performance of damaged frame reinforced by damped infill wall[J].China Civil Engineering Journal,2018,51(1):68-75.(in Chinese)
[9]吴从晓,陈彬,李文军,等.一种装配式消能减震填充墙板:CN201610240034.7[P].2016-07-20.WU Congxiao,CHEN Bin,LI Wenjun,et al.An assembled energy dissipation damping filled wallbord:CN201610240034.7[P].2016-07-20.(in Chinese)
[10]熊晓鹏,吴从晓,李哲明,等.新型消能减震复合墙板性能分析研究[J].低温建筑技术,2017,39(6):18-22.XIONG Xiaopeng,WU Congxiao,LI Zheming,et al.An analysis on a new type of prefabricated energy dissipation composite wallboard[J].Low Temperature Architecture Technology,2017,39(6):18-22.(in Chinese)
[11]熊晓鹏.新型预制装配式消能减震复合墙板抗震性能试验研究[D].广州:广州大学,2017.XIONG Xiaopeng.Study on seismic performance of a new type prefabricated energy dissipation composite wallboard[D].Guangzhou:Guangzhou University,2017.(in Chinese)
[12]徐虎,吴从晓,熊晓鹏,等.新型预制装配式金属消能减震复合墙板抗震性能研究[J].工程抗震与加固改造,2018,40(4):64-72.XU Hu,WU Congxiao,XIONG Xiaopeng,et al.Seismic performance research of new prefabricated metal energy dissipation composite wallboard[J].Earthquake Resistant Engineering and Retrofitting,2018,40(4):64-72.(in Chinese)
[13]吴从晓,徐虎,吴从永.一种装配式消能减震填充墙板结构:中国,CN107700705A[P].2018-02-16.WU Congxiao,XU Hu,WU Congyong.An prefabricated type energy dissipation filled wall panel:China,CN107700705A[P].2018-02-16.(in Chinese)
[14]龙佳栋.装配式混凝土框架减震墙板结构抗震性能研究[D].广州:广州大学,2016.LONG Jiadong.Studies on seismic performance of prefabricated frame-damping wall structure[D].Guangzhou:Guangzhou University,2016.(in Chinese)
[15]中华人民共和国住房和城乡建设部.GB 50010-2010.混凝土结构设计规范[S].北京:中国建筑工业出版社,2015.Ministry of Housing and Urban-Rural Construction of the People’s Republic of China.GB 50010-2010.Code for design of concrete structures[S].Beijing:China Architecture&Building Press,2015.(in Chinese)