Civil Engineering - GATE Exam Questions - Discussion

37. 

The time for a clay layer to achieve 90% consolidation is 15 years. The time required to achieve 90% consolidation; if the layer were twice as thick, 3 times forr permeable and 4 times more compressible would be :

[A]. 70 years
[B]. 75 years
[C]. 80 years
[D]. 85 years

Answer: Option C

Explanation:

No answer description available for this question.

Anusha said: (Nov 3, 2016)  
Please explain it.

Sachin said: (Jan 19, 2017)  
(4 * 2^2) ÷ 3.
5.33 * initial time duration.
= 80.

Diptayandas said: (Aug 30, 2017)  
15/t2=h/2h.
T2= 60.

60 * 4/3 = 80 years..

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