5. A radial flow circular sedimentation tank 22 m diameter treating 10,000 m%d of water has an effluent weir at its circumference. If it is required to have a weir loading rate of 100-200 m/m/d; i. Establish the adequacy of the weir. ii. If the V-notches are spaced at 200 mm, determine the number of notches and depth H of flow for a 0= 45° notch given: Cd Q =x 8 x (2g)'/2 x tane x H5/2 15 where Ca = 0.6

Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter7: Seepage
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5. A radial flow circular sedimentation tank 22 m diameter treating 10,000 m/d of water
has an effluent weir at its circumference. If it is required to have a weir loading rate of
100-200 m/m/d;
i.
Establish the adequacy of the weir.
ii. If the V-notches are spaced at 200 mm, determine the number of notches and
depth H of flow for a 0= 45° notch given:
cd
Q = x 8 x (2g)1/2 x tane x H5/2
where Ca = 0.6
15
Transcribed Image Text:5. A radial flow circular sedimentation tank 22 m diameter treating 10,000 m/d of water has an effluent weir at its circumference. If it is required to have a weir loading rate of 100-200 m/m/d; i. Establish the adequacy of the weir. ii. If the V-notches are spaced at 200 mm, determine the number of notches and depth H of flow for a 0= 45° notch given: cd Q = x 8 x (2g)1/2 x tane x H5/2 where Ca = 0.6 15
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