3. A trapezoidal channel is to be designed and constructed in a sandy loam with a longitudinal slope of 1 in 5000 to car
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3. A trapezoidal channel is to be designed and constructed in a sandy loam with a longitudinal slope of 1 in 5000 to car
3. A trapezoidal channel is to be designed and constructed in a sandy loam with a longitudinal slope of 1 in 5000 to carry a discharge of 2.3 m3/s. Calculate suitable dimensions for the depth and bed width assuming Manning's n is 0.022 and the side slope is 1 in 2 (Ans: d=0.98 m; b=2.94 m (b=3d)).
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