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A trapezoidal channel is 2.5 m wide, has a side slope ratio of z — 2 and is carrying a discharge of 14.25 m'/s. The composite Manning's coefficient for the channel is 0.017 and the sham-messed weir is 1.6 m high. Sketch and label the water surface profile for this section. Assume that the flow begins at normal depth at mom sections 01 and returns to normal depth at cross sec don 05. Hint: you should have four profiles.
a) Calculate yt and yn for all sections. Draw these on the diagram above. b) Determine and label each slope classification. c) Identify and label all channel controls. d) Draw the water surface profile. Label surface profiles appropriately.
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Apr 06 2020 View more View Less
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