15. A rectangular channel 6m wide has a depth of 1m flowing with a mean velocity of 0.75m/s. Determine the height of a rectangular suppressed weir that will increase the depth of water in the channel 60 1.60m. Given: L = 6m D = 1m v = 0.75 m/s Find: p=? @ d = 1.60m W. S. original W.c. d = 1.6 T do = 1m 777 102

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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Solution: V₁ = A₂ V₁ = 1(6) (0.75) = 4.5 m3/s
Qa
4.5
V₂ =
= 0.47 m/s4.5 = 1.84 (6) [(H +0472)3/2 _ (472) 321
A
1.6(6)
19.62
19.62
H = 0.54m; p=d-H=1.6-0.54
P = 1.06m
=
Transcribed Image Text:Solution: V₁ = A₂ V₁ = 1(6) (0.75) = 4.5 m3/s Qa 4.5 V₂ = = 0.47 m/s4.5 = 1.84 (6) [(H +0472)3/2 _ (472) 321 A 1.6(6) 19.62 19.62 H = 0.54m; p=d-H=1.6-0.54 P = 1.06m =
15. A rectangular channel 6m wide has a depth of 1m flowing with a mean
velocity of 0.75m/s. Determine the height of a rectangular suppressed
weir that will increase the depth of water in the channel 60 1.60m.
Given:
L = 6m
D = 1m
v = 0.75 m/s
Find: p=? @ d = 1.60m
W. S.
original W.c.
d=1.6 T
do = 1m
777
102
Transcribed Image Text:15. A rectangular channel 6m wide has a depth of 1m flowing with a mean velocity of 0.75m/s. Determine the height of a rectangular suppressed weir that will increase the depth of water in the channel 60 1.60m. Given: L = 6m D = 1m v = 0.75 m/s Find: p=? @ d = 1.60m W. S. original W.c. d=1.6 T do = 1m 777 102
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