![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
80m<跨度L≤96m,时速300km的桥梁,在ZK竖向静活载作用下,梁体的竖向挠度不应大于()。
A.L/1000
B.L/1100
C.L/1300
D.L/1200
查看答案
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.L/1000
B.L/1100
C.L/1300
D.L/1200
题12-21图(a)所示梁,若跨度l=5m,力偶矩M1=5kN·m,M2=10kN·m,许用应力[σ]=160MPa,弹性模量E==200GPa,许用挠度[ω]=l/500,试选择工字钢型号。