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Raunak Mitra posted an Question
February 11, 2022 • 05:18 am 30 points
  • IIT JAM
  • Geology (GG)

If the angle of internal friction of a rock material is 32, what should ideally be the angle between shear fractures formed in the rock and the maximum compress

If the angle of internal friction of a rock material is 32, what should ideally be the angle between shear fractures formed in the rock and the maximum compressional stress axis? (in degrees)

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    Sushmita best-answer

    It's 29°, bcz angle between shear fractures formed in the rock and the maximum compressional stress axis (theta) = 45°- phi/2 [45°-32°/2 = 29°], where phi is the angle of internal friction.

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