钢管混凝土边框内藏钢板-钢撑低矮剪力墙抗剪性能分析
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摘要
提出了钢管混凝土边框内藏钢板-钢撑组合剪力墙。为研究这种新型组合剪力墙的抗剪性能,在已有相关低矮剪力墙抗震性能试验基础上,进行了2个新的不同构造低矮剪力墙模型低周反复荷载试验。比较分析了两个试件的滞回特性、承载力、刚度、耗能和破坏特征,提出了抗剪承载力计算公式,计算与实测符合较好。研究表明:钢管混凝土边框,对墙体主斜裂缝发展有明显约束作用;不同构造剪力墙,墙体裂缝开展与损伤过程有明显差异;边框、钢板-钢撑和墙体的设计参数应合理匹配,以提高剪力墙的延性和抗震耗能能力。
A composite shear wall with concrete filled steel tube CFST boundary columns and concealed steel platesteel braces was proposed. Based on relative existing low- rise shear wall tests,two wall models with different constructions were tested under the cyclic loading so as to investigate the shear behavior of the new wall. The hysteretic property,load- bearing capacity,stiffness,energy dissipation capacity and failure modes of models are compared and analyzed. The mechanical model for calculating load- bearing capacity of the wall was proposed and the calculated results agree well with the measured values. Research shows that: the CFST boundary columns has the obvious restriction on the main diagonal crack developing of the wall; the crack and the damage process on the wall are significantly different for different models; the parameters of CFST boundary columns,steel plate- steel braces and the wall should be reasonably designed so as to improve the ductility and energy dissipation capacity of shear walls.
A composite shear wall with concrete filled steel tube CFST boundary columns and concealed steel platesteel braces was proposed. Based on relative existing low- rise shear wall tests,two wall models with different constructions were tested under the cyclic loading so as to investigate the shear behavior of the new wall. The hysteretic property,load- bearing capacity,stiffness,energy dissipation capacity and failure modes of models are compared and analyzed. The mechanical model for calculating load- bearing capacity of the wall was proposed and the calculated results agree well with the measured values. Research shows that: the CFST boundary columns has the obvious restriction on the main diagonal crack developing of the wall; the crack and the damage process on the wall are significantly different for different models; the parameters of CFST boundary columns,steel plate- steel braces and the wall should be reasonably designed so as to improve the ductility and energy dissipation capacity of shear walls.
引文
[1]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):1-13GUO Yan-lin,ZHOU Ming.Categorization and Performance of Steel Plate Shear Wall[J].Journal of Architecture and Civil Engineering,2009,26(3):1-13.(in Chinese)
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[6]Zhao Qiuhong,Astaneh-Asl.Cyclic Behavior of Traditional and Innovative Composite Shear Walls[J].Journal of Structural Engineering,2004,130(2):271-284.(in Chinese)
[7]干淳洁,吕西林.内置钢板钢筋混凝土剪力墙非线性仿真研究[J].建筑结构学报,2009,30(5):97-102GAN Chunjie,LV Xilin.Computational simulation of nonlinearity of steel plate reinforced concrete shear walls[J].Journal of Building Structures,2009,30(5):97-102.(in Chinese)
[8]曹万林,王敏,张建伟,等.钢管混凝土边框剪力墙抗震试验及承载力计算[J].北京工业大学学报,2008,34(12):1291-1297.CAO Wanlin,WANG Min,ZHANG Jianwei,ect.Seismic Ex Periment and Load一carrying Ca Pacity Calculation of Shear Vall with Concrete Filled Steel Tube Columns[J].Journal of Beijing university of technology,2008,34(12):1291-1297.(in Chinese)
[9]曹万林,杨亚彬,张建伟,等.圆钢管混凝土边框内藏桁架剪力墙抗震性能[J].东南大学学报(自然科学版),2009,39(6):1188-1192.Cao Wanlin,Yang Yabin,Zhang Jianwei,ect.Seism ic behaviors of shear wall with concrete filled round steel tube columns and concealed bracing[J]2009,39(6):1188-1192.(in Chinese)
[10]曹万林,张文江,张建伟,等.钢管混凝土边框内藏钢板组合剪力墙抗震研究[J].土木工程与管理学报,2011,28(3):219-225.CAO Wanlin,ZHANG Wenjiang,ZHANG Jianwei,ect.Seismic Research and Application on Embedded Steel Plate Concrete Shear Wall with Concrete Filled Steel Tube Columns[J].Journal of Civil Engineering and Management,2011,28(3):219-225.(in Chinese)
[11]杨亚彬,张建伟,曹万林,等.圆钢管混凝土边框内藏钢桁架剪力墙抗震性能试验研究[J].地震工程与工程震动,2011,31(3):122-126.YANG Yabin,ZHANG Jianwei,CAO Wanlin,ect.Study on seismic performance of shear wall with concrete filled round steel tube columns[J].2011,31(3):122-126.(in Chinese)
[12]JGJ138-2001.型钢混凝土组合结构技术规程[S].中华人民共和国建设部.北京:中国建筑工业出版社,2001.JGJ138-2001.Technical specification for steel reinforced concrete composite structure[S].Ministry of Construction,P R China.Beijing:China Architecture and Building Press,2001.(in Chinese)
[2]郝坤超,高辉,孙飞飞.组合钢板剪力墙的抗震性能研究进展[J].建筑钢结构进展,2010,12(2):49-56.HAO Kun-chao,GAO Hui,SUN Fei-fei.Progress in Seismic Performance of Composite Steel Plate Shear Walls[J].Progress in Steel BuildingStructures,2010,12(2):49-56.
[3]汪大绥,陆道渊,黄良等.天津津塔结构设计[J].建筑结构学报(增刊1),2009,S1:1-7WANG Dasui,LU Daoyuan,HUANG Liang,ect..Structure design of Jinta in Tianjin[J].Journal of Building Structures(Supplementary Issue 1),2009,S1:1-7.(in Chinese)
[4]陈国栋,郭彦林,范珍等.钢板剪力墙低周反复荷载试验研究[J].建筑结构学报,2004,25(2):19-26.CHEN Guodong,GUO Yanlin,FAN Zhen,ect.Cyclic test of steel plate shear wall[J].Journal of Building Structures,2004,25(2):19-26.(in Chinese)
[5]李峰,李慧,李振敏,等.交叉加劲肋钢板剪力墙低周反复荷载试验研究[J].西安建筑科技大学学报(自然科学版),2009,41(1):57-62LI F eng,LIH ui,LI Zhenmin,ect.Cyclic test of diagonally stiffened steel plate shear wall[J].Xican Univ.of Ar ch.&Tech.(Natural Science Edit ion),2009,41(1):57-62.(in Chinese)
[6]Zhao Qiuhong,Astaneh-Asl.Cyclic Behavior of Traditional and Innovative Composite Shear Walls[J].Journal of Structural Engineering,2004,130(2):271-284.(in Chinese)
[7]干淳洁,吕西林.内置钢板钢筋混凝土剪力墙非线性仿真研究[J].建筑结构学报,2009,30(5):97-102GAN Chunjie,LV Xilin.Computational simulation of nonlinearity of steel plate reinforced concrete shear walls[J].Journal of Building Structures,2009,30(5):97-102.(in Chinese)
[8]曹万林,王敏,张建伟,等.钢管混凝土边框剪力墙抗震试验及承载力计算[J].北京工业大学学报,2008,34(12):1291-1297.CAO Wanlin,WANG Min,ZHANG Jianwei,ect.Seismic Ex Periment and Load一carrying Ca Pacity Calculation of Shear Vall with Concrete Filled Steel Tube Columns[J].Journal of Beijing university of technology,2008,34(12):1291-1297.(in Chinese)
[9]曹万林,杨亚彬,张建伟,等.圆钢管混凝土边框内藏桁架剪力墙抗震性能[J].东南大学学报(自然科学版),2009,39(6):1188-1192.Cao Wanlin,Yang Yabin,Zhang Jianwei,ect.Seism ic behaviors of shear wall with concrete filled round steel tube columns and concealed bracing[J]2009,39(6):1188-1192.(in Chinese)
[10]曹万林,张文江,张建伟,等.钢管混凝土边框内藏钢板组合剪力墙抗震研究[J].土木工程与管理学报,2011,28(3):219-225.CAO Wanlin,ZHANG Wenjiang,ZHANG Jianwei,ect.Seismic Research and Application on Embedded Steel Plate Concrete Shear Wall with Concrete Filled Steel Tube Columns[J].Journal of Civil Engineering and Management,2011,28(3):219-225.(in Chinese)
[11]杨亚彬,张建伟,曹万林,等.圆钢管混凝土边框内藏钢桁架剪力墙抗震性能试验研究[J].地震工程与工程震动,2011,31(3):122-126.YANG Yabin,ZHANG Jianwei,CAO Wanlin,ect.Study on seismic performance of shear wall with concrete filled round steel tube columns[J].2011,31(3):122-126.(in Chinese)
[12]JGJ138-2001.型钢混凝土组合结构技术规程[S].中华人民共和国建设部.北京:中国建筑工业出版社,2001.JGJ138-2001.Technical specification for steel reinforced concrete composite structure[S].Ministry of Construction,P R China.Beijing:China Architecture and Building Press,2001.(in Chinese)
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