Use the manning's equation above to find the streamflow rate (Q) under the following conditions:
Use the manning's equation above to find the streamflow rate (Q) under the following conditions:
Construction Materials, Methods and Techniques (MindTap Course List)
4th Edition
ISBN:9781305086272
Author:William P. Spence, Eva Kultermann
Publisher:William P. Spence, Eva Kultermann
Chapter18: Wood, Plastics, And Composites
Section: Chapter Questions
Problem 5RQ
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![4. Use the manning's equation above to find the streamflow rate (Q) under the following
conditions:
a. Rectangular canal
b. Cement plaster (n)
c. River top width (B) = 500 m
River depth (Y) = 2 m
d.
e.
River bed slope (S) = 0.03 m/m
f. Conversion constant (k) = 1](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fec8c3e4b-da9c-4b39-bf4b-b9766d153f33%2F22fdec7f-42dd-4c35-906d-073af9b62a83%2Fjapil0b_processed.png&w=3840&q=75)
Transcribed Image Text:4. Use the manning's equation above to find the streamflow rate (Q) under the following
conditions:
a. Rectangular canal
b. Cement plaster (n)
c. River top width (B) = 500 m
River depth (Y) = 2 m
d.
e.
River bed slope (S) = 0.03 m/m
f. Conversion constant (k) = 1
![Manning's Equation
O=VA
==
k
R2/3
S
0
Values of Manning n
Cement plaster
Untreated gunite
n
Lined Canals
Wood, planed
Wood, unplaned
Concrete, trowled
Concrete, wood forms, unfinished
Rubble in cement
Asphalt, smooth
Asphalt, rough
Natural Channels
1/2
Gravel beds, straight
Gravel beds plus large boulders
Earth, straight, with some grass
Earth, winding, no vegetation
Earth, winding with vegetation
A
Chow, V. T. 1959. Open-Channel
Hydraulics. McGraw-Hill, Inc.
n
0.011
0.016
0.012
0.013
0.012
0.015
0.020
0.013
0.016
0.025
0.040
0.026
0.030
0.050](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fec8c3e4b-da9c-4b39-bf4b-b9766d153f33%2F22fdec7f-42dd-4c35-906d-073af9b62a83%2F6vo227c_processed.png&w=3840&q=75)
Transcribed Image Text:Manning's Equation
O=VA
==
k
R2/3
S
0
Values of Manning n
Cement plaster
Untreated gunite
n
Lined Canals
Wood, planed
Wood, unplaned
Concrete, trowled
Concrete, wood forms, unfinished
Rubble in cement
Asphalt, smooth
Asphalt, rough
Natural Channels
1/2
Gravel beds, straight
Gravel beds plus large boulders
Earth, straight, with some grass
Earth, winding, no vegetation
Earth, winding with vegetation
A
Chow, V. T. 1959. Open-Channel
Hydraulics. McGraw-Hill, Inc.
n
0.011
0.016
0.012
0.013
0.012
0.015
0.020
0.013
0.016
0.025
0.040
0.026
0.030
0.050
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