Determine the bed slope of a trapezoidal channel has depth of flow is 1.2m and velocity of flow is 0.35 m/sec. It is finished by smooth rock cuts.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Determine the bed slope of a trapezoidal
channel has depth of flow is 1.2m and
velocity of flow is 0.35 m/sec. It is finished by
smooth rock cuts.
Typical Values of Manning's n
Channel Surface
Smooth steel surface
0.012
Corrugated metal
Smooth concrete
0.024
0.011
Concrete culvert (with connection)
Glazed brick
Earth excavation, clean
Natural stream bed, clean, straight
Smooth rock cuts
0.013
0.013
0.022
0.030
0.035
Channels not maintained
0.050-0.1
В
I
II
!!
Transcribed Image Text:Determine the bed slope of a trapezoidal channel has depth of flow is 1.2m and velocity of flow is 0.35 m/sec. It is finished by smooth rock cuts. Typical Values of Manning's n Channel Surface Smooth steel surface 0.012 Corrugated metal Smooth concrete 0.024 0.011 Concrete culvert (with connection) Glazed brick Earth excavation, clean Natural stream bed, clean, straight Smooth rock cuts 0.013 0.013 0.022 0.030 0.035 Channels not maintained 0.050-0.1 В I II !!
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