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Discussion :: UPSC Civil Service Exam Questions

  1. 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)

    2. A.
    Δu = B[Δσ3 + A(Δσ1 - Δσ3)]
    B.
    Δu = A[Δσ3 + B(Δσ1 - Δσ3)]
    C.
    Δu = Δσ3 + A(Δσ1 - Δσ3)]
    D.
    Δu = Δσ3 + B(Δσ1 - Δσ3)]

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    Answer : Option A

    Explanation :

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