Water flows uniformly with a flow rate of 10 m'/s in a long rectangular open channel of 3.0 m width, Manning's n=0.015 and bed slope of 0.00075. At one part, the %3D channel width is constricted to 1.5 for the construction of bridge abutment. Calculate the flow depth at the constriction, at just upstream and at just downstream of the constriction. Sketch the hydraulic flow profile and the relevant curve.
Water flows uniformly with a flow rate of 10 m'/s in a long rectangular open channel of 3.0 m width, Manning's n=0.015 and bed slope of 0.00075. At one part, the %3D channel width is constricted to 1.5 for the construction of bridge abutment. Calculate the flow depth at the constriction, at just upstream and at just downstream of the constriction. Sketch the hydraulic flow profile and the relevant curve.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Q2)
Water flows uniformly with a flow rate of 10 m'/s in a long rectangular open channel
of 3.0 m width, Manning's n=0.015 and bed slope of 0.00075. At one part, the
channel width is constricted to 1.5 for the construction of bridge abutment.
Calculate the flow depth at the constriction, at just upstream and at just downstream
of the constriction. Sketch the hydraulic flow profile and the relevant curve.
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