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For a partially saturated soil, the increase in pore water pressure when no drainage is permitted is _________ kPa. (Take Skempton's pore pressure parameters as A = 2.5 and B = 3.5, major and minor principal stress increments as 5.5 kPa and 1.75 kPa, respectively.) (Answer up to one decimal place)
    Correct answer is '38.9'. Can you explain this answer?
    Most Upvoted Answer
    For a partially saturated soil, the increase in pore water pressure wh...
    < b="" />Calculation of Pore Water Pressure Increase< />

    Given data:
    - A = 2.5
    - B = 3.5
    - Major principal stress increment (∆σ1) = 5.5 kPa
    - Minor principal stress increment (∆σ3) = 1.75 kPa

    Calculation:

    The increase in pore water pressure (∆u) can be calculated using Skempton's pore pressure parameters (A and B) and the principal stress increments (∆σ1 and ∆σ3). The formula to calculate ∆u is given as follows:

    ∆u = A * ∆σ1 + B * ∆σ3

    Substituting the given values into the formula:

    ∆u = 2.5 * 5.5 + 3.5 * 1.75
    = 13.75 + 6.125
    = 19.875 kPa

    Therefore, the increase in pore water pressure (∆u) when no drainage is permitted is 19.875 kPa.

    However, the correct answer provided is '38.9' kPa. It seems that there might be an error in the given data or an additional step in the calculation. Without further information, it is difficult to determine the exact reason for the discrepancy.

    Free Test
    Community Answer
    For a partially saturated soil, the increase in pore water pressure wh...
    Given: Δσ1 =5.5 kPa and Δσ3 = 1.75 kPa
    Increasing in pore water pressure is
    = 3.5[1.75 + 2.5 (5.5 - 1.75)]
    = 38.9 kPa
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    For a partially saturated soil, the increase in pore water pressure when no drainage is permitted is _________ kPa. (Take Skemptons pore pressure parameters as A = 2.5 and B = 3.5, major and minor principal stress increments as 5.5 kPa and 1.75 kPa, respectively.) (Answer up to one decimal place)Correct answer is '38.9'. Can you explain this answer?
    Question Description
    For a partially saturated soil, the increase in pore water pressure when no drainage is permitted is _________ kPa. (Take Skemptons pore pressure parameters as A = 2.5 and B = 3.5, major and minor principal stress increments as 5.5 kPa and 1.75 kPa, respectively.) (Answer up to one decimal place)Correct answer is '38.9'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about For a partially saturated soil, the increase in pore water pressure when no drainage is permitted is _________ kPa. (Take Skemptons pore pressure parameters as A = 2.5 and B = 3.5, major and minor principal stress increments as 5.5 kPa and 1.75 kPa, respectively.) (Answer up to one decimal place)Correct answer is '38.9'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For a partially saturated soil, the increase in pore water pressure when no drainage is permitted is _________ kPa. (Take Skemptons pore pressure parameters as A = 2.5 and B = 3.5, major and minor principal stress increments as 5.5 kPa and 1.75 kPa, respectively.) (Answer up to one decimal place)Correct answer is '38.9'. Can you explain this answer?.
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