1- A 2 m wide rectangular channel (n=0.015), carries a discharge of 6 m³/s. The channel is laid on slope of 0.0162. The channel width and slope changed to 1.5 m and 0.0122, respectively. (a) Calculate critical and normal depths. (b) Calculate Froude numbers. (c) Plot the water surface profile.

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Highway Drainage

Highway drainage is the process of extracting and regulating the excess surface water on the pavement by giving the desired slope. The construction of a highway drain helps to divert the water present on the surface, and sub-grade by the means of slope. Highway drainage systems are a necessary part of smooth functioning of traffic, since the highway drainage systems provide proper disposal of unwanted substances from the highways.