题目内容:
T形截面梁,尺寸如图所示,如按最小配筋率ρmin=0.2%配置纵向受力钢筋As,则As的计算式为: A. 600X465X0.2%=558mm2 B. 600X500X0.2%=600mm2 C. 200X500X0.2%=200mm2 D. [200X500+ (600-200) X120] X0. 2%=296mm2
参考答案:
答案解析:
T形截面梁,尺寸如图所示,如按最小配筋率ρmin=0.2%配置纵向受力钢筋As,则As的计算式为: A. 600X465X0.2%=558mm2 B. 600X500X0.2%=600mm2 C. 200X500X0.2%=200mm2 D. [200X500+ (600-200) X120] X0. 2%=296mm2