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Limit of axial force ratio and requirement for stirrups of RC columns with special shape |
| WANG Yiqun, XU Yidong, ZHAO Yanjing, CHEN Yunxia |
| School of Civil Engineering, Tianjin University, Tianjin 300072, China |
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Abstract Thousands of columns with special shape are analyzed by nonlinear numerical methods. The ductility is calculated to investigate the limit of the axial force ratio and circumstantial requirement for stirrups of an reinforced concrete (RC) column with special shape, in the point of view of the characteristic value for providing stirrup. The limit of the axial force ratio of columns with special shape in relation to the characteristic value of the stirrup is obtained. Then, the effect of stirrup arrangement on the ductility of the RC column is discussed in case of buckling of the longitudinal reinforcement and constraint concrete columns. The complete requirement for stirrups of RC column with special shape is given.
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Issue Date: 05 June 2007
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