Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 10 (Q.No. 42)
42.
The change in the vertical stress in the soil mass estimated by Boussinesq's equation when Poisson's ratio of soil changes from 0.3 to 0.5 will be
reduction by 30%
increase by 50%
reduction by 20%
no change
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
7 comments Page 1 of 1.

Harish said:   9 years ago
Can anyone provide explanation for the given answer?

Harish said:   9 years ago
Boussinesq's equation does not depend upon the Poisson's ratio. So, it will be increase by 50%.

Roy said:   8 years ago
D will be the correct answer.

Mrinmoy Nath said:   8 years ago
Boussinesq's equation doesn't depend on Poisson's ratio So D is the correct answer.

Dolly said:   7 years ago
D is the correct answer.

Krish Pandit said:   5 years ago
Boussinesq's equation does not depend upon the Poisson's ratio. So the answer is D.

Irfan Jafri said:   4 years ago
As vertical stress in the case of Boussinesq analysis is independent of material i.e. E&u.

So, no change.

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