# Question 10. An open channel has a bottom width of 4.5m. The velocity of flow is 1.2 m/s. Determine the discharge in cubic meters per second under the following conditions: a. Most efficient trapezoidal section. b. Trapezoidal section with one side vertical and the other sloping 45 degrees and depth of flow of 2/3 the base width. c. Minimum seepage with side slope of 65 degrees. Show complete solution.

DLFDVN The Asker · Civil Engineering

10. An open channel has a bottom width of 4.5m. The velocity of flow is 1.2 m/s. Determine the discharge in cubic meters per second under the following conditions:

a. Most efficient trapezoidal section.

b. Trapezoidal section with one side vertical and the other sloping 45 degrees and depth of flow of 2/3 the base width.

c. Minimum seepage with side slope of 65 degrees.

Show complete solution.

Transcribed Image Text: 10. An open channel has a bottom width of 4.5m. The velocity of flow is 1.2 m/s. Determine the discharge in cubic meters per second under the following conditions: a. Most efficient trapezoidal section. b. Trapezoidal section with one side vertical and the other sloping 45 degrees and depth of flow of 2/3 the base width. c. Minimum seepage with side slope of 65 degrees. Show complete solution.
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Transcribed Image Text: 10. An open channel has a bottom width of 4.5m. The velocity of flow is 1.2 m/s. Determine the discharge in cubic meters per second under the following conditions: a. Most efficient trapezoidal section. b. Trapezoidal section with one side vertical and the other sloping 45 degrees and depth of flow of 2/3 the base width. c. Minimum seepage with side slope of 65 degrees. Show complete solution.