Determine the required elevation drop of trapezoidal channel

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A clean-earth trapezoidal channel with a bottom width of 1.8 m and a side surface slope 1:1 is to drain water uniformly at a rate of 8 m^3/s to a distance ok 1 km. If the flow depth is not to exceed 1.2 m, determine the required elevation drop. Manning number: n=0.022

Reference no: EM13307374

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