JPKIC 结构设计原理 Tfeprniipledistnctiredesign 4)M-N curves Ab segment (tensile failure above):An increase in axial pressure to increase their flexural capacity N d(Mu,Nu） 受压 坏 Cb section(compression failure section):An increase in axial pressure to reduce the bending capacity. 破 M4) M-N curves Cb section (compression failure section): An increase in axial pressure to reduce the bending capacity. Ab segment (tensile failure above): An increase in axial pressure to increase their flexural capacity