6 2 1.5 1 Concrete channel n₁ = 0.014 2 10 2 Light brush n2 = 0.050
Solid Waste Engineering
3rd Edition
ISBN:9781305635203
Author:Worrell, William A.
Publisher:Worrell, William A.
Chapter4: Mechanical Processes
Section: Chapter Questions
Problem 4.20P
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Question
Water flows uniformly in a channel with a bottom slope of 0.002 and a compound cross-section: Section 1 has concrete sides and bottom. Section 2 is vegetated with light brush. Manning coefficients and dimensions (in meters) are shown below: Calculate: a. The composite Manning roughness coefficient for the channel b. The flow rate in cubic meters per second (cms) for the water levels shown
Transcribed Image Text:6
2
1.5
1
Concrete channel
n₁ = 0.014
2
10
2
Light brush
n2 = 0.050
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