EXAMPLE 2: A compound channel is shown in Fig 2.7b. It has the following dimensions: m, = 1, n, = 0.03, b, = 10m, d, = 2m. The upper part of the channel has the following dimensions m2 = 1.5, n2 = 0.0225, b2 = 5m, d2 = 1.5m. The channel bottom slope is So = 0.0003. Determine the (i) channel discharge (ii) Average velocity at the cross section. %3D

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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.