T形截面钢骨混凝土异形柱框架抗震性能
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摘要
参照国家抗震规范8度设防的标准,制作一榀1/2比例的由钢筋混凝土梁和T形截面钢骨混凝土异形柱组成的单跨两层的框架模型。通过拟静力试验,研究了结构的破坏形态、刚度退化、延性与耗能等抗震性能。试验结果表明,T形截面钢骨异形柱框架结构抗震性能良好,柱中钢骨在结构抗震中发挥了明显的作用。试验研究和分析结果表明,钢骨异形柱框架结构的抗震性能可满足抗震设防的要求。
Referring to the criterion of seismic fortification intensity 8 specified by national seismic design code,a 1/2-scaled model of single span and two-story frame composed of RC beams and T-shaped steel reinforced concrete(SRC) columns has been made.A seismic evaluation was performed by the quasi-static testing,including failure pattern,stiffness degradation,ductility and energy dissipation.The experimental results show that the frame has good seismic behavior,and section steel in the columns plays an important role in earthquake resistance.On the basis of experimental study and analysis,it concludes that the seismic behavior of frame with SRC special-shaped columns can satisfy the requirements of seismic fortification.
Referring to the criterion of seismic fortification intensity 8 specified by national seismic design code,a 1/2-scaled model of single span and two-story frame composed of RC beams and T-shaped steel reinforced concrete(SRC) columns has been made.A seismic evaluation was performed by the quasi-static testing,including failure pattern,stiffness degradation,ductility and energy dissipation.The experimental results show that the frame has good seismic behavior,and section steel in the columns plays an important role in earthquake resistance.On the basis of experimental study and analysis,it concludes that the seismic behavior of frame with SRC special-shaped columns can satisfy the requirements of seismic fortification.
引文
[1]MALLIKARJUNA,MAHADEVAPPA P.Computeraided analysis of reinforced concrete columns subjectedto axial compression and bending-part I:L-shapedsections[J].Computers&Structures,1992,44(5):1121-1138.
[2]MALLIKARJUNA,MAHADEVAPPA P.Computer-aided analysis of reinforced concrete columns subjectedto axial compression and bending-partⅡ:T-shapedsections[J].Computers&Structures,1994,53(6):1317-1356.
[3]HSU C T T.T-shaped reinforced concrete membersunder biaxial bending and axial compression[J].ACIStructural Journal,1989,86(4):460-468.
[4]HSU C T T.Biaxially loaded L-shaped reinforcedconcrete columns[J].Journal of Structural Engin-eering,1985,111(12):2576-2595.
[5]钱稼茹,李耕勤.异形柱用于8度抗震设防建筑研究[J].工业建筑,2004,34(2):28-32.QIAN JIA-RU,LI GENG-QIN.Study on applicationof special-shaped columns to buildings with seismicfortification intensity 8[J].Industrial Construction,2004,34(2):28-32.
[6]曹云中,干钢,唐锦春.柱肢长宽比对空间异形柱框架抗震性能的影响[J].工程力学,2007,24(4):118-123.CAO YUN-ZHONG,GAN GNAG,TANG JIN-CHUN.Influence of length-width ratio of column limbon aseismic performance of 3D-frames with special-section columns[J].Engineering Mechanics,2007,24(4):118-123.
[7]杨溥,唐剑,陈名弟,等.钢筋砼异形柱在不同加载方向的受力性能分析[J].重庆大学学报,2005,28(8):117-121.YANG PU,TANG JIAN,CHEN MING-DI,et al.Analysis on seismic capacity for RC specially shapedcolumns in different horizontal direction[J].Journal ofChongqing University,2005,28(8):117-121.
[8]曹万林,胡国振,崔立长,等.钢筋混凝土带暗柱异形柱抗震性能试验及分析[J].建筑结构学报,2002,23(1):16-20.CAO WAN-LIN,HU GUO-ZHEN,CUI LI-ZHANG,et al.Experiment and analysis of seismic behavior of the+,L,T-shaped columns with concealed columns[J].Journal of Building Structures,2002,23(1):16-20.
[9]蒋丽娜.钢骨混凝土T形截面异形柱抗震性能试验研究[D].广西:广西大学,2006.JIANG LI-NA.Experimental research on seismicbehavior of steel reinforced concrete special-shapedcolumn[D].Guangxi:Guangxi University,2006.
[10]陈宗平,薛建阳,赵鸿铁,等.型钢混凝土异形柱抗震性能试验研究[J].建筑结构学报,2007,28(3):53-61.CHEN ZONG-PING,XUE JIAN-YANG,ZHAOHONG-TIE,et al.Experimental study on seismicbehavior of steel reinforced concrete special-shapedcolumns[J].Journal of Building Structures,2007,28(3):53-61.
[11]JGJ 138-2001.型钢混凝土组合结构技术规程[S].
[12]朱伯龙.结构抗震试验[M].北京:地震出版社,1989.
[13]王来,王铁成,陈倩.低周反复荷载下方钢管混凝土框架抗震性能的试验研究[J].地震工程与工程振动,2003,23(3):113-117.WANG LAI,WANG TIE-CHENG,CHEN QIAN.Experimental study on seismic performance of concrete-filled rectangular tubular frame under low-reversedcyclic loading[J].Earthquake Engineering andEngineering Vibration,2003,23(3):113-117.
[14]王雪芳,郑建岚.自密实高强混凝土框架结构的抗震性能研究[J].福州大学学报,2004,32(2):173-177.WANG XUE-FANG,ZHENG JIAN-LAN.Study ofearthquake resistance behavior of self-compacting high-strength concrete frame[J].Journal of FuzhouUniversity,2004,32(2):173-177.
[15]HAN S W,KWON O S,LEE L H.Evaluation of theseismic performance of a three-story ordinary moment-resisting concrete frame[J].Earthquake Engineering andStructural Dynamics,2004,33(6):219-231.
[16]赵艳静,李忠献,陈云霞.四级抗震等级时钢筋混凝土异形柱轴压比限值的研究[J].建筑结构学报,2004,25(3):58-62.ZHAO YAN-JING,LI ZHONG-XIAN,CHEN YUN-XIA.Research on limit values of axial compressionratios of specially shaped RC columns in case of 4thaseismic grade[J].Journal of Building Structures,2004,25(3):58-62.
[2]MALLIKARJUNA,MAHADEVAPPA P.Computer-aided analysis of reinforced concrete columns subjectedto axial compression and bending-partⅡ:T-shapedsections[J].Computers&Structures,1994,53(6):1317-1356.
[3]HSU C T T.T-shaped reinforced concrete membersunder biaxial bending and axial compression[J].ACIStructural Journal,1989,86(4):460-468.
[4]HSU C T T.Biaxially loaded L-shaped reinforcedconcrete columns[J].Journal of Structural Engin-eering,1985,111(12):2576-2595.
[5]钱稼茹,李耕勤.异形柱用于8度抗震设防建筑研究[J].工业建筑,2004,34(2):28-32.QIAN JIA-RU,LI GENG-QIN.Study on applicationof special-shaped columns to buildings with seismicfortification intensity 8[J].Industrial Construction,2004,34(2):28-32.
[6]曹云中,干钢,唐锦春.柱肢长宽比对空间异形柱框架抗震性能的影响[J].工程力学,2007,24(4):118-123.CAO YUN-ZHONG,GAN GNAG,TANG JIN-CHUN.Influence of length-width ratio of column limbon aseismic performance of 3D-frames with special-section columns[J].Engineering Mechanics,2007,24(4):118-123.
[7]杨溥,唐剑,陈名弟,等.钢筋砼异形柱在不同加载方向的受力性能分析[J].重庆大学学报,2005,28(8):117-121.YANG PU,TANG JIAN,CHEN MING-DI,et al.Analysis on seismic capacity for RC specially shapedcolumns in different horizontal direction[J].Journal ofChongqing University,2005,28(8):117-121.
[8]曹万林,胡国振,崔立长,等.钢筋混凝土带暗柱异形柱抗震性能试验及分析[J].建筑结构学报,2002,23(1):16-20.CAO WAN-LIN,HU GUO-ZHEN,CUI LI-ZHANG,et al.Experiment and analysis of seismic behavior of the+,L,T-shaped columns with concealed columns[J].Journal of Building Structures,2002,23(1):16-20.
[9]蒋丽娜.钢骨混凝土T形截面异形柱抗震性能试验研究[D].广西:广西大学,2006.JIANG LI-NA.Experimental research on seismicbehavior of steel reinforced concrete special-shapedcolumn[D].Guangxi:Guangxi University,2006.
[10]陈宗平,薛建阳,赵鸿铁,等.型钢混凝土异形柱抗震性能试验研究[J].建筑结构学报,2007,28(3):53-61.CHEN ZONG-PING,XUE JIAN-YANG,ZHAOHONG-TIE,et al.Experimental study on seismicbehavior of steel reinforced concrete special-shapedcolumns[J].Journal of Building Structures,2007,28(3):53-61.
[11]JGJ 138-2001.型钢混凝土组合结构技术规程[S].
[12]朱伯龙.结构抗震试验[M].北京:地震出版社,1989.
[13]王来,王铁成,陈倩.低周反复荷载下方钢管混凝土框架抗震性能的试验研究[J].地震工程与工程振动,2003,23(3):113-117.WANG LAI,WANG TIE-CHENG,CHEN QIAN.Experimental study on seismic performance of concrete-filled rectangular tubular frame under low-reversedcyclic loading[J].Earthquake Engineering andEngineering Vibration,2003,23(3):113-117.
[14]王雪芳,郑建岚.自密实高强混凝土框架结构的抗震性能研究[J].福州大学学报,2004,32(2):173-177.WANG XUE-FANG,ZHENG JIAN-LAN.Study ofearthquake resistance behavior of self-compacting high-strength concrete frame[J].Journal of FuzhouUniversity,2004,32(2):173-177.
[15]HAN S W,KWON O S,LEE L H.Evaluation of theseismic performance of a three-story ordinary moment-resisting concrete frame[J].Earthquake Engineering andStructural Dynamics,2004,33(6):219-231.
[16]赵艳静,李忠献,陈云霞.四级抗震等级时钢筋混凝土异形柱轴压比限值的研究[J].建筑结构学报,2004,25(3):58-62.ZHAO YAN-JING,LI ZHONG-XIAN,CHEN YUN-XIA.Research on limit values of axial compressionratios of specially shaped RC columns in case of 4thaseismic grade[J].Journal of Building Structures,2004,25(3):58-62.
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