“微信扫一扫”进入题库练习及模拟考试
钢筋混凝土T形截面构件如题图,b=250mm,h=500mm,400mm,
=150mm,混凝土强度等级为C30,纵筋采用HRB335钢筋,箍筋采用HPB235钢筋,受扭纵筋与箍筋的配筋强度比值为ξ=1,2, Acor=90000mm2
假定截面的受扭塑性抵抗矩Wt=14800000mm3,则当构件所受的扭矩和剪力不大于()项数值时,则在进行承载力验算时可仅验算正截面受弯承载力,
A.3,70kN·m,58,3kN
B.3,70kN·m,44,5kN
C.6,70kN·m,58,3kN
D.2,70kN·m,52,1kN
参考答案:A