Determine the most economical section of a rectangular channel carrying water at the rate of 0.4 m3/s; The bed slope of the channel being 1 in 2000. Take Chezy’s constant C = 50. a. b = 1.872 m; y = 3.12 m b. b = 2.98 m; y = 2.58 m c. b = 1.154 m; y = 0.577 m d. b = 0.9 m; y = 1.085 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.