Find the most economical cross-section of a rectangular channel which is to be dug in the rocky portion of a soil. The channel is to convey 8 m3/s of water with an average velocity of 2 m/s. Take Chezy’s constant C = 65. a. b = 0.9 m; y = 1.085 m b. b = 5.93 m; y = 4.8 m c. b=2.828 m , y= 1.414 m d. b = 1.154 m; y = 0.577 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.