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A 5 m wide rectangular channel carries a flow of 20 m3/s. The slope of the...

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Civil Engineering

A 5 m wide rectangular channel carries a flow of 20m3/s. The slope of the channel is 0.005 and theManning’s n is 0.03. The flow encounters a 0.5 m step up that is0.1 m long. The depths far upstream and downstream are normal.

  1. Classify this channel
  2. Qualitatively sketch this scenario, label gradually varied flowcurves and provide appropriate depths.
  3. Draw this scenario on an E-Y cycle graph, and label all depthchanges.

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