高速公路排水沟呈梯形断面,设计沟内水深1.0m,过水断面积W = 2. 0m2,湿周P =4. 10m,沟底纵坡0.005,排水沟粗糙系数0.025,问该...

作者: rantiku 人气: - 评论: 0
问题 高速公路排水沟呈梯形断面,设计沟内水深1.0m,过水断面积W = 2. 0m2,湿周P =4. 10m,沟底纵坡0.005,排水沟粗糙系数0.025,问该排水沟的最大流速最接近于下列哪个选项? A. 1.67m/s B.3. 34m/s C.4. 55m/s D. 20. 5m/s
选项
答案 A
解析

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