![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
某拦砂坝,坝基础深度为2m,坝前淤积物容重为2.2t/m3,淤积物内摩擦角为21°,则作用在下游坝基上的泥沙压力为______。
A.9.3t
B.6.4t
C.3t
D.4.7t
查看答案
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.9.3t
B.6.4t
C.3t
D.4.7t
A.2.25m
B.2.96m
C.1.25m
D.1.96m
A.10-20
B.20-50
C.50-100
D.100-200
A.1.676t
B.2.676t
C.3.676t
D.4.676t
A.坝体
B.溢洪道
C.泄水洞
D.排水管
A.坝前至淤积末端的水平距离
B.淤积面末端断面淤积表面宽
C.坝前断面淤积表面下底宽
D.坝前断面淤积表面上底宽
E.坝前最大淤积深