某异形柱框架结构抗震性能分析
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摘要
异形柱结构由于其结构的特殊性,可将柱子隐于墙体,使房内不出棱角,以增加房屋有效使用面积,从而受到开发商的亲睐。将原先矩形柱结构改为异形柱结构后,通过高烈度下弹塑性动力时程分析,考查了某异形柱框架结构在设防和罕遇地震水准下的整体抗震性能,对结构能否达到抗震设防目标进行了初步评价。结果表明,该异形柱结构在设防烈度和罕遇烈度地震作用下基本能够达到预期的抗震设防目标。
Special-shaped column structures are favored by developers for cryptostructure of the pillars,no edges in the room,and they can increase effective use area of the building. After changing the original rectangular column structure to the special-shaped column structure,the paper analyses overall seismic performance of special-shaped column frame structure under the fortification and the rarely met earthquake intensities through dynamic elastoplastic time history analysis,and makes the preliminary evaluation. The results show that,the special-shaped column structure achieves basically the goal of desired seismic fortification.
Special-shaped column structures are favored by developers for cryptostructure of the pillars,no edges in the room,and they can increase effective use area of the building. After changing the original rectangular column structure to the special-shaped column structure,the paper analyses overall seismic performance of special-shaped column frame structure under the fortification and the rarely met earthquake intensities through dynamic elastoplastic time history analysis,and makes the preliminary evaluation. The results show that,the special-shaped column structure achieves basically the goal of desired seismic fortification.
引文
[1]杨溥,唐剑,黄宗明.规则钢筋混凝土异形柱框架结构的抗震性能研究[J].地震工程与工程振动.2006,26(3):145~151.Yang Bo,Tang Jian,Huang Zongming.Study on seismic performance of regular RC frame with special shaped columns[J].Earthquake Engineering and Engineering Vibration.2006,26(3):145~151.
[2]黄雅捷,梁兴文,王应生.钢筋混凝土异形柱框架结构楼层受剪承载力计算方法[J].世界地震工程.2004.20(2):145~150.Huang Ya jian,Wang Yingsheng.Calculation methods on shear strength in a storey for RC frames with special-shaped columns[J].World Earthquake Engineering.2004.20(2):145~150.
[3]中国建筑科学研究院PKPMCAD工程部.高层建筑结构空间有限元分析与设计软件SATWE[R].2010.PKPMCAD China construction science research institute of engineering.High-rise building structure space finite element analysis and design software SATWE[R].2010.
[4]GB 50011-2010,建筑抗震设计规范[S].北京:中国建筑工业出版社,2010.GB 50011-2010.Standard for Seismic Appraisal of Buildings[S].Beijing:China Building Industry Press,2010.
[5]JGJ149-2006,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.JGJ149-2006,Technical specification for concrete structure with special-shaped columns.Beijing:China Building Industry Press,2006.
[6]曹万林,徐金荣,宋文勇.钢筋混凝土异形柱框架结构抗震设计的若干措[J].世界地震工程.2002,18(l):62-65.Cao Wan lin,Xu Jinrong,Song Wenyong.Some construction measures of seismic design of RC frame structure with special shaped columns[J].World Earthquake Engineering.2002,18(l):62-65.
[7]郑汉兵,曹万林,马景春.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.Zheng Hanbin,Cao Wanlin,Ma Jingchun.Study on seismic behavior of fringe frame with rectangle columns at the bottom and specially-shaped columns at upper stories[J].World Earthquake Engineering.2002,18(4)::106-110.
[2]黄雅捷,梁兴文,王应生.钢筋混凝土异形柱框架结构楼层受剪承载力计算方法[J].世界地震工程.2004.20(2):145~150.Huang Ya jian,Wang Yingsheng.Calculation methods on shear strength in a storey for RC frames with special-shaped columns[J].World Earthquake Engineering.2004.20(2):145~150.
[3]中国建筑科学研究院PKPMCAD工程部.高层建筑结构空间有限元分析与设计软件SATWE[R].2010.PKPMCAD China construction science research institute of engineering.High-rise building structure space finite element analysis and design software SATWE[R].2010.
[4]GB 50011-2010,建筑抗震设计规范[S].北京:中国建筑工业出版社,2010.GB 50011-2010.Standard for Seismic Appraisal of Buildings[S].Beijing:China Building Industry Press,2010.
[5]JGJ149-2006,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.JGJ149-2006,Technical specification for concrete structure with special-shaped columns.Beijing:China Building Industry Press,2006.
[6]曹万林,徐金荣,宋文勇.钢筋混凝土异形柱框架结构抗震设计的若干措[J].世界地震工程.2002,18(l):62-65.Cao Wan lin,Xu Jinrong,Song Wenyong.Some construction measures of seismic design of RC frame structure with special shaped columns[J].World Earthquake Engineering.2002,18(l):62-65.
[7]郑汉兵,曹万林,马景春.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.Zheng Hanbin,Cao Wanlin,Ma Jingchun.Study on seismic behavior of fringe frame with rectangle columns at the bottom and specially-shaped columns at upper stories[J].World Earthquake Engineering.2002,18(4)::106-110.
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