【单选题】22 / 47复合受扭截面尺寸验算条件为？AV/Wbv+T/Wt≤0.25βcfcV/W_{bv} + T/W_t \le 0.25 \beta_c f_cV/Wbv+T/Wt≤0.25βcfc正确BV≤0.25βcfcbh0V \le 0.25 \beta_c f_c b h_0V≤0.25βcfcbh0CT≤0.35ftWtT \le 0.35 f_t W_tT≤0.35ftWtDV+T≤fcAV + T \le f_c AV+T≤fcA参考答案A参考解析V/Wbv+T/Wt≤0.25βcfcV/W_{bv} + T/W_t \le 0.25 \beta_c f_cV/Wbv+T/Wt≤0.25βcfc。
