Consider the figure below where a broad crested weir is installed in a horizontal channel. Determine the following: a. If the weir is 12m wide and 1.5m high, solve for the discharge and discharge coefficient Cw for the weir if the upstream depth is 3.2m. b. Depth of water directly above the weir. c. Velocity of water directly above the weir.
Consider the figure below where a broad crested weir is installed in a horizontal channel. Determine the following: a. If the weir is 12m wide and 1.5m high, solve for the discharge and discharge coefficient Cw for the weir if the upstream depth is 3.2m. b. Depth of water directly above the weir. c. Velocity of water directly above the weir.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Consider the figure below where a broad crested weir is installed in a horizontal
channel. Determine the following:
a. If the weir is 12m wide and 1.5m high, solve for the discharge and discharge
coefficient Cw for the weir if the upstream depth is 3.2m.
b. Depth of water directly above the weir.
c. Velocity of water directly above the weir.
d. Depth of water above the weir if P = 1.2m.
2g
d
ANSWER:
dc
a) Cw = 0.445, Q = 34.95m³/sec
b) dc = 0.953m
21
bi
H
P
c) Vc = 3.057m/s
d) d = 2.56m
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Kindly Solve Sub-Part d. d. Depth of water above the weir if P = 1.2m

Transcribed Image Text:Consider the figure below where a broad crested weir is installed in a horizontal
channel. Determine the following:
a. If the weir is 12m wide and 1.5m high, solve for the discharge and discharge
coefficient Cw for the weir if the upstream depth is 3.2m.
b. Depth of water directly above the weir.
c. Velocity of water directly above the weir.
d. Depth of water above the weir if P = 1.2m.
2g
d
ANSWER:
dc
a) Cw = 0.445, Q = 34.95m³/sec
b) dc = 0.953m
21
bi
H
P
c) Vc = 3.057m/s
d) d = 2.56m
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