The figure below shows the cross-section of a channel with floodway. Manning roughness coefficient is 0.025 for the main channel and 0.035 for the floodway. The bed slope of the channel is 10 cm/km. a) Determine the total discharge. b) Determine average velocity in the main channel and average velocity on the floodway. c) Determine the magnitude of hydrostatic pressure force acting on the cross-section. 2.0 3.0 6.0 2.0 3.0 05

Structural Analysis
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Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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The figure below shows the cross-section of a channel with floodway. Manning roughness
coefficient is 0.025 for the main channel and 0.035 for the floodway. The bed slope of the channel
is 10 cm/km.
a) Determine the total discharge.
b) Determine average velocity in the main channel and average velocity on the floodway.
c) Determine the magnitude of hydrostatic pressure force acting on the cross-section.
2.0
3.0
6.0
20
3.0 05
Transcribed Image Text:The figure below shows the cross-section of a channel with floodway. Manning roughness coefficient is 0.025 for the main channel and 0.035 for the floodway. The bed slope of the channel is 10 cm/km. a) Determine the total discharge. b) Determine average velocity in the main channel and average velocity on the floodway. c) Determine the magnitude of hydrostatic pressure force acting on the cross-section. 2.0 3.0 6.0 20 3.0 05
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