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Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 3 (Q.No. 17)
UPSC Civil Service Exam Questions
17.
For a partially saturated soil, Δu the increase in pore water pressure, when no drainage is permitted, is expressed as (where A and B are Skempton's pore pressure parameters and Δσ1 and Δσ3 are major and minor principal stress increments)
Δu = B[Δσ3 + A(Δσ1 - Δσ3)]
Δu = A[Δσ3 + B(Δσ1 - Δσ3)]
Δu = Δσ3 + A(Δσ1 - Δσ3)]
Δu = Δσ3 + B(Δσ1 - Δσ3)]
Answer: Option
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