Civil Engineering - UPSC Civil Service Exam Questions - Discussion

2. 

A clay layer, 5 m thick undergoes 50% consolidation in 5 years when subjected to an average pressure increase of 50 kN/m2. If the clay layer were 10 m thick, in what period would it undergo 50% consolidation for the same pressure ?

[A]. 10 years
[B]. 2.5 years
[C]. 25 years
[D]. 20 years

Answer: Option D

Explanation:

No answer description available for this question.

Praveen said: (Sep 14, 2017)  
The Answer is A.

Dollly said: (Apr 4, 2018)  
Are you sure @Praveen?

Please explain your answer.

Bidyut said: (Mar 19, 2020)  
t2=t1(d2/d1)^2.
t2= 5(10/5)^2.
t2=5*4=20 years.

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