【单选题】37 / 57第一类 I 形截面大偏心对称配筋,xxx由?Ax=N/(α1fcbf′)x = N/(\alpha_1 f_c b_f')x=N/(α1fcbf′)正确Bx=N/(α1fcb)x = N/(\alpha_1 f_c b)x=N/(α1fcb)Cx=hf′x = h_f'x=hf′D无法求参考答案A参考解析x=N/(α1fcb_f')。