Civil Engineering - Soil Mechanics and Foundation Engineering - Discussion
Discussion Forum : Soil Mechanics and Foundation Engineering - Section 2 (Q.No. 23)
23.
For a homogeneous earth dam 50 m high having 2 m free broad, a flow net was constructed and the results were : Number of potential drops = 2.4 Number of flow channels = 0.4. If coefficiency of permeability of the dam mateiral is 3 x 10-3 cm3/sec, the discharge per metre length of dam, is
Discussion:
22 comments Page 2 of 3.
Nayan said:
8 years ago
K unit is same as velocity cm/sec.
Mayur said:
7 years ago
Thank you all for explaining this.
Vivek said:
7 years ago
K will be in cm/sec.
It is unit of the coefficient of permeability.
It is unit of the coefficient of permeability.
Sushma Thota said:
7 years ago
The discharge PER METER is asked, so the calculated answer must be divided by 100
since 1m=100cm.
So, the given units and given answer are correct.
since 1m=100cm.
So, the given units and given answer are correct.
Jessica said:
6 years ago
Thank you All for explaining.
Keeda said:
5 years ago
Unit of K is cm/sec.
Er Amit Kumar said:
5 years ago
Given data,
K = 3*10^-3cm3/sec
(0.003/100) = 0.00003 m3/sec, OR
3*10^-5m3/sec.
H = (50 -2 ) 48 m.
Nf = .4
Nd = 2.4
Than formula,
Q = kh* (Nf / Nd)
Q = .00003 * 48 * (.4 / 2.4
Q = 0.00024 OR 24*10^-5 m3/sec.
K = 3*10^-3cm3/sec
(0.003/100) = 0.00003 m3/sec, OR
3*10^-5m3/sec.
H = (50 -2 ) 48 m.
Nf = .4
Nd = 2.4
Than formula,
Q = kh* (Nf / Nd)
Q = .00003 * 48 * (.4 / 2.4
Q = 0.00024 OR 24*10^-5 m3/sec.
(1)
Hadiul Islam said:
4 years ago
Given data,
K = 3*10^-3cm3/sec.
(0.003/100) = 0.00003 m3/sec, OR.
3*10^-5m3/sec.
H = (50 -2 ) 48 m.
Nf = .4,
Nd = 2.4,
Then formula;
Q = kh* (Nf/Nd).
Q = .00003 * 48 * (.4/2.4)
Q = 0.00024 OR 24*10^-5 m3/sec.
K = 3*10^-3cm3/sec.
(0.003/100) = 0.00003 m3/sec, OR.
3*10^-5m3/sec.
H = (50 -2 ) 48 m.
Nf = .4,
Nd = 2.4,
Then formula;
Q = kh* (Nf/Nd).
Q = .00003 * 48 * (.4/2.4)
Q = 0.00024 OR 24*10^-5 m3/sec.
(2)
Dipak singh said:
4 years ago
How q=kh (hf/nd)? Please prove it.
(3)
Atem Akech Atem said:
4 years ago
How q=k.h/Nd.Nf? Prove it.
(1)
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