Allu

A 15-m-long culvert that has a projecting groove-end inlet is needed on a 2%slope with a free outfall. The elevation of the upstream invert is 100m, and the maximum headwater depth is 5m. a) What size concrete arch culvert (n=0.013,Kc=0.5)is needed to carry 6m3/sof water? b) Is the culvert operating under inlet or outlet control? c) If the tailwater depth changes to 0.3m, what is the flow control? d) If the tailwater depth changes to 3.3m, what is the flow control? e) Why does the flow control change or not

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