A trapezoidal canal has the following flow and channel properties: Discharge through the canal is 28 m /s, mean velocity of flow = 135 cm/sec; roughness coefficient=0.012; side slope = 4H:3V. Using the most efficient trapezoidal canal, what is the required slope of the channel? gure 6: a). 0.000654 b). 0.000554 9 = ? c). 0.000451 d). 0.000351

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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.