Water flows in a 1.5-m wide rectangular channel with a constant bed slope So = 0.144 (see figure below). Calculate the horizontal distance from point 1 with depth of y₁ = 0.68m to point 2 with depth of 0.45m. The bed slope is small and hence you can assume that the distance between points 1 and 2 along the channel bed is equal to the horizontal distance Az The average friction slope is 0.062 and the flow rate is 0.8 m³/s. Ax 2.805 m

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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.