异形柱框架结构抗震性能的概念设计
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摘要
针对异形柱框架结构的主要特征,在总结异形柱框架结构主要抗震性能试验成果的基础上,提出异形柱框架结构的概念设计.结合工程应用实际,通过对结构布置、柱肢长宽比、填充墙竖向刚度控制、柱梁刚度比和配筋形式及间距等方面的的分析,明确初步设计中概念设计的原则和要求.通过算例,对影响异形柱框架结构抗震性能的主要参数进行分析,并采用动力时程分析方法,分别考察在设防和罕遇地震水准下结构的整体抗震性能.结果表明,在7度(0.15 g)下的异形柱结构的概念设计,符合抗震要求.
Based on summarizing the experimental results of seismic performance of frames with special-shaped columns,the requirements of conceptual design are clarified,which include structure layout,length-width ratio of columns limb,vertical rigidity of infilled wall,columns-beam rigidity ratio and reinforcement.The numerical example is presented,the main parameters influencing the seismic performance of special-shaped column frames are analyzed.The seismic performances of the structure under both frequent and rare earthquakes are discussed by the time-history dynamics analysis.The result indicates that the conceptual design of frame with special-shaped columns meets the seismic requirements of 0.15 g earthquake action.
Based on summarizing the experimental results of seismic performance of frames with special-shaped columns,the requirements of conceptual design are clarified,which include structure layout,length-width ratio of columns limb,vertical rigidity of infilled wall,columns-beam rigidity ratio and reinforcement.The numerical example is presented,the main parameters influencing the seismic performance of special-shaped column frames are analyzed.The seismic performances of the structure under both frequent and rare earthquakes are discussed by the time-history dynamics analysis.The result indicates that the conceptual design of frame with special-shaped columns meets the seismic requirements of 0.15 g earthquake action.
引文
[1]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.
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[3]艾兵,吴敏哲,郭棣,等.4层宽肢异形柱框架结构的抗震性能试验[J].工业建筑,2007,37(2):10-13.
[4]刘进军,吕志涛.9层(带转换层)钢筋混凝土异形柱框架结构模型振动台实验研究[J].建筑结构学报,2002,23(1):21-26.
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[7]FARDIS M N,PANAGIOTAKOS T B.Seismic design and response of bare and masonry-infilled reinforced con-crete frame[J].Journal of Earthquake Engineering,1997,1(1):219-256.
[8]肖建庄,黄钰,张建荣,等.高性能混凝土异形柱边框架抗震性能试验研究[J].建筑结构学报,2002,23(6):19-25.
[9]郑汉兵,曹万林,马景春,等.底部矩形柱上部异形柱边框架抗震研究[J].世界地震工程,2002,18(4):106-110.
[10]PANTAZOPOULOU S J,FRENCH C W.Slab participation in practical earthquack design of reinforced concreteframe[J].ACI Structural Journal,2001,98(4):479-489.
[11]LEE H S,WOO S W.Effect of masonry infill on seismic performance of a 3-storey RC frame with non-seismic de-tailing[J].Earthquake Engineering and Structural Dynamics,2002,31(2):353-378.
[12]蔡健,周靖,方小丹.柱端弯矩增大系数取值对RC框架结构抗震性能影响的评估[J].土木工程学报,2007,40(1):6-14.
[13]全国混凝土异形柱结构学术研讨会组委会.混凝土异形柱结构理论及应用[M].北京:知识产权出版社,2006.
[14]王依群,许贻懂,陈云霞.钢筋混凝土异形柱的轴压比限值与配箍构造[J].天津大学学报,2006,39(3):295-300.
[15]梁兴文,黄雅捷,杨其伟.钢筋混凝土框架结构基于位移的抗震设计方法研究[J].土木工程学报,2005,38(9):53-60.
[2]陈昌宏,单建,马乐为,等.钢筋混凝土异形柱框架节点抗震性能试验[J].工业建筑,2007,37(2):6-10.
[3]艾兵,吴敏哲,郭棣,等.4层宽肢异形柱框架结构的抗震性能试验[J].工业建筑,2007,37(2):10-13.
[4]刘进军,吕志涛.9层(带转换层)钢筋混凝土异形柱框架结构模型振动台实验研究[J].建筑结构学报,2002,23(1):21-26.
[5]中华人民共和国建设部.JGJ 149-2006混凝土异形柱结构技术规程[S].北京:中国建筑工业出版社,2006.
[6]王铁成,张学辉.异形柱框架抗震性能试验分析[J].四川建筑科学研究,2006,32(5):150-152.
[7]FARDIS M N,PANAGIOTAKOS T B.Seismic design and response of bare and masonry-infilled reinforced con-crete frame[J].Journal of Earthquake Engineering,1997,1(1):219-256.
[8]肖建庄,黄钰,张建荣,等.高性能混凝土异形柱边框架抗震性能试验研究[J].建筑结构学报,2002,23(6):19-25.
[9]郑汉兵,曹万林,马景春,等.底部矩形柱上部异形柱边框架抗震研究[J].世界地震工程,2002,18(4):106-110.
[10]PANTAZOPOULOU S J,FRENCH C W.Slab participation in practical earthquack design of reinforced concreteframe[J].ACI Structural Journal,2001,98(4):479-489.
[11]LEE H S,WOO S W.Effect of masonry infill on seismic performance of a 3-storey RC frame with non-seismic de-tailing[J].Earthquake Engineering and Structural Dynamics,2002,31(2):353-378.
[12]蔡健,周靖,方小丹.柱端弯矩增大系数取值对RC框架结构抗震性能影响的评估[J].土木工程学报,2007,40(1):6-14.
[13]全国混凝土异形柱结构学术研讨会组委会.混凝土异形柱结构理论及应用[M].北京:知识产权出版社,2006.
[14]王依群,许贻懂,陈云霞.钢筋混凝土异形柱的轴压比限值与配箍构造[J].天津大学学报,2006,39(3):295-300.
[15]梁兴文,黄雅捷,杨其伟.钢筋混凝土框架结构基于位移的抗震设计方法研究[J].土木工程学报,2005,38(9):53-60.
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