Water discharges from under a sluice gate into 10 m wide channel (slope = 0.001) at a flowrate of 28 m3/s as shown below. Assume n = 0.015. 1- Find critical and normal depths?  2- Classification of the water surface profile? 3- Quantitatively evaluate the profile downstream the gate until water surface height is 30 cm above the channel bottom?  4- where does the hydraulic jump start? Note: it is required to draw surface water 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.