Two clay layer of A and B of thickness 2cm and 3 cm is load with pressure of 200KN/m2. If the time taken by soil A to reach 50% consolidation is 1/4th of that required by soil B to reach 50% consolidation, then find the ratio of coefficients of Permeability. Given that ratio of coefficient of volume change is 1.751.

Two clay layer of A and B of thickness 2cm and 3 cm is load with press

1.	Two clay layer of A and B of thickness 2cm and 3 cm is load with pressure of 200KN/m². If the time taken by soil A to reach 50% consolidation is 1/4^th of that required by soil B to reach 50% consolidation, then find the ratio of coefficients of Permeability. Given that ratio of coefficient of volume change is 1.751.
A.	5.234
B.	2.456
C.	3.114
D.	4.233
Answer» D. 4.233

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