A compound channel has the cross-section shape shown in Figure 2 below.Figure 2: Engineered channel cross-sectionThe rectangular central channel has n = 0.025, and the two overbanks have n = 0.070. The bed slope is 0.018. Determine:The total flow rate in cfs for the cross-section for the water surface position shown, considering vertical interfaces between the subsections and including those interfaces in the wetted perimeter. m = 280 ft20 ft8 ft80 ft3.2 ftm = 2

Given: Bed slopeS=0.018 Manning's n for rectangular central channeln=0.025 Manning's n for upper…

Answered: A compound channel has the…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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A compound channel has the cross-section shape shown in Figure 2 below.

Figure 2: Engineered channel cross-section

The rectangular central channel has n = 0.025, and the two overbanks have n = 0.070. The bed slope is 0.018.

Determine:

The total flow rate in cfs for the cross-section for the water surface position shown, considering vertical interfaces between the subsections and including those interfaces in the wetted perimeter.

m = 2
80 ft
20 ft
8 ft
80 ft
3.2 ft
m = 2

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