![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
锚杆屈服强度为500MPa的,且直径为22mm的,预紧力不低于()N.m
A.180
B.240
C.320
D.350
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
C、320
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.180
B.240
C.320
D.350
C、320
A.400MPa
B.400÷0.8=500MPa
C.400×0.8=320MPa
D.400-0.8=399.2MPa
A.335Pa;
B.235MPa;
C.400MPa;
D.500MPa。
A.335Pa;
B.235MPa;
C.400MP;
D.500MPa。
A.270MPa , 500M
B.
C.500KPa , 270Kp
D.
E.270KPa , 500KP
F.
G.500MPa , 270MPa
A.屈服强度
B.抗拉强度
C.伸长率
D.尺寸偏差
E.冲击功