HSWPE 12
Determine the discharge over a Chute spillway with ‘Ogee Crest’ using the following data: The length of the spillway is 250 m, Height of the spillway crest in front of at upstream approach channels is 10 m. The width of the approach channel is 250 m and the depth of water over the spillway crest is 5 m.
Answer :
Given
Length of spillway L = 250 m
Width of channel =250 m
Cd = 2.2 for Ogee spillway design
h= 10m
He =5m
h/He =10/5 =2
from the graph
C/2.2 =1
C = 2.2
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