Wang Lei, Zhao Yushan. Sliding mode attitude control using momentum exchange device[J]. Journal of Beijing University of Aeronautics and Astronautics, 2009, 35(11): 1388-1392. (in Chinese)
Citation: Jiao Junting, Diao Bo, Ye Yinghua, et al. Bearing capacity and ductility of reinforced concrete columns with Z-shaped cross-section[J]. Journal of Beijing University of Aeronautics and Astronautics, 2007, 33(01): 110-114. (in Chinese)

Bearing capacity and ductility of reinforced concrete columns with Z-shaped cross-section

  • Received Date: 06 Jan 2006
  • Publish Date: 31 Jan 2007
  • Against there is no design specification for reinforced concrete (RC) columns with Z-shaped cross-section in the technical regulation of structure w it h special shaped columns, the bearing capacity and ductility of RC Z-shaped cro s s-section were computed by utilizing the nonlinear analysis of RC cross-sectio ns subjected to biaxial bending and compression and its computer program. Some fact ors affecting the bearing capacity and ductility of RC Z-shaped cross-section, were researched, for example ratio of axial compression, loading angle, reinfor ced ratio, concrete strength and ratio of limb length to limb thickness, and some c urves of the bearing capacity and ductility were drawn. Some favorable results were obtained: the bearing capacity is mainly affected by ratio of axial compres sio n, loading angle, concrete strength, long reinforced ratio and ratio of limb len gth to limb thickness mainly affect, and hoop reinforcement has little affect. r atio of axial compression is the most important affect factor for the ductility, but there is a little affect for the ductility from ratio of limb length to lim b thickness.

     

  • [1] JGJ149-2006,混凝土异形柱结构技术规程[S] JGJ149-2006,Technical specification for concrete structures with specially shaped columns[S](in Chinese) [2] 焦俊婷,叶英华,刁波.钢筋混凝土偏压构件截面非线性分析高斯积分[J]. 北京航空航天大学学报,2003, 29(4):370-373 Jiao Jungting, Ye Yinghua, Diao Bo. Gauss numerical integration in nonlinear ana lysis of reinforced concrete members under eccentric compression loading[J]. J ournal of Beijing University of Aeronautics and Astronautics, 2003, 29(4):370-37 3(in Chinese) [3] Jiao Junting, Ye Yinghua, Diao Bo. Bearing capacity analysis of r einforced concrete L-shape cross-section under biaxial eccentric compression . Progress in Natural Science, 2003, 13(6):429-433 [4] Park R, Paulay T. Reinforced concrete structures[M]. New York:John Wil ey & Sons Inc, 1975 [5] 赵艳静,陈云霞,王玲永.钢筋砼异形截面双向压弯柱延性性能的理论研究 .建筑结构, 1999(1):16-21 Zhao Yanjing, Chen Yunxia, Wang Lingyong. Research on ductility of reinforced co ncrete special shaped columns subjected to biaxially eccentric loading[J]. Bui lding Structures, 1999(1):16-21(in Chinese) [6] 申冬建,陈云霞,赵艳静.Z形截面钢筋混凝土偏压柱的简化设计方法究[J]. 建筑结构, 2001(11):18-20 Shen Dongjian, Chen Yunxia, Zhao Yanjing.Simple design method of reinforced conc rete Z-shaped columns subjected to axially eccentric loading[J]. Building Str uctures, 2001(11):18-20(in Chinese) [7] 徐海燕,薛海宏,袁志华.Z形截面柱正截面承载力的试验与分析[J].华东交通大学学报, 2004, 21(1):8-11 Xu Haiyan, Xue Haihong, Yuan Zhihua. Experimental and theoretical research on l oad-bearing capacity of Z-shaped R C columns [J]. Journal of East China Ji aotong University, 2004, 21(1):8-11(in Chinese) [8] GB50010-2002,混凝土结构设计规范[S] GB50010-2002,Concrete structure design code[S](in Chinese)
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