Natural Channels conditions: Gravel beds, straight Gravel beds plus large boulders Earth, straight, with some grass Earth, winding, no vegetation Earth, winding with vegetation Chow, V. T. 1959. Open-Channel Hydraulics. McGraw-Hill, Inc. 3. Use the manning's equation above to find the streamflow rate (Q) under the following a. Rectangular canal b. Gravel beds, straight (n) 0.025 0.040 0.026 0.030 0.050 c. River top width (B) = 500 m d. River depth (Y) = 2 m e. River bed slope (S) = 0.01 m/m Conversion constant (k) = 1 f.
Natural Channels conditions: Gravel beds, straight Gravel beds plus large boulders Earth, straight, with some grass Earth, winding, no vegetation Earth, winding with vegetation Chow, V. T. 1959. Open-Channel Hydraulics. McGraw-Hill, Inc. 3. Use the manning's equation above to find the streamflow rate (Q) under the following a. Rectangular canal b. Gravel beds, straight (n) 0.025 0.040 0.026 0.030 0.050 c. River top width (B) = 500 m d. River depth (Y) = 2 m e. River bed slope (S) = 0.01 m/m Conversion constant (k) = 1 f.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
Please type your response. Not handwritten.
Transcribed Image Text:Manning's Equation
Q=VA
conditions:
Q R²/3S 1/2 A
==
Values of Manning n
Cement plaster
Untreated gunite
a. Rectangular canal
b.
n
Lined Canals
Wood, planed
Wood, unplaned
Concrete, trow led
Concrete, wood forms, unfinished
Rubble in cement
Asphalt, smooth
Asphalt, rough
Natural Channels
Gravel beds, straight
Gravel beds plus large boulders
Earth, straight, with some grass
Earth, winding, no vegetation
Earth, winding with vegetation
Gravel beds, straight (n)
c. River top width (B) = 500 m
d. River depth (Y) = 2 m
Chow, V. T. 1959. Open-Channel
Hydraulics. McGraw-Hill, Inc.
3. Use the manning's equation above to find the streamflow rate (Q) under the following
n
e. River bed slope (S) = 0.01 m/m
f. Conversion constant (k) = 1
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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