题目:
一钢筋混凝土梁,断面尺寸如图4-9所示,采用C20,fc=9.6N/mm2,fy=300N/mm2;已配钢筋面积1200mm2,求此梁能承受的弯矩设计值为多少(图中尺寸单位为毫米)()。
A.193.5kN·m
B.162.1kN·m
C.185.3kN·m
D.179.1kN·m
答案:
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