A.1:2~1:3 B.1:2~2:3 C.1:3 D.2:3
单项选择题临时性挖方一般软黏性土边坡值应为()。
A.1:0.75~1:1.00 B.1:1.50或更缓 C.1:1.00~1:1.25 D.1:1.25~1:1.50
单项选择题临时性挖方一般(硬)黏性土边坡值应为()。
A.1:0.75~1:1.00 B.1:0.50~1:0.75 C.1:0.30~1:0.75 D.1:0.30~1:0.50
单项选择题临时性挖方砂土(不包括细砂、粉砂)边坡值应为()
A.1:1.25~1:1.50 B.1:0.75~1:1.00 C.1:1.00~1:1.25 D.1:0.50~1:1.00