Determine the most efficient section of a trapezoidal channel with side slopes 1 vertical to 2 horizontal, carrying a discharge of 11.25 m3 /s with a velocity of 0.75 m/s. What should be the bed slope of the channel? Take Manning’s n = 0.025
(solved), A most efficient trapezoidal section is required to give a maximum discharge of 21.5 m3/s of water. The slope of the channel bottom is 1 in 2500. Taking C = 70 m1/2/s in Chezy’s equation, determine the dimensions of the channel. Also determine the value of Manning’s n, taking the value of velocity of flow as obtained for the channel by Chezy’s equation
Question 6, open channel/trapezoidal section problem
(Solved), An irrigation channel with a trapezoidal section, having side slopes 3 horizontal to 2 vertical
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