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Discussion :: GATE Mining Engineering

  1. The uniaxial compressive strength of a limestone sample is 80 MPa. The sample is confined at a pressure of 20 MPa in a triaxial compressive strength test. Based on Hoek-Brown failure criteria the maximum principal stress at failure in MPa is 
    (consider rock constants as m = 7.88, s = 1.0 and a = 0.5)
  2. A.
    117.9
    B.
    132.3
    C.
    137.9
    D.
    157.9

    View Answer

    Workspace

    Answer : Option D

    Explanation :

    -NA-


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