Mining Engineering > GATE 2023 > Rock Mechanics
A Mohr-Coulomb failure envelop of a sandstone rock is given as
σ1=30+3.5σ3 where σ1 and σ3,
measured in MPa, are the major and minor principal stresses respectively. The angle of the failure plane with the σ3 axis in degree is _________. [rounded off to 1 decimal place]
σ1=30+3.5σ3 where σ1 and σ3,
measured in MPa, are the major and minor principal stresses respectively. The angle of the failure plane with the σ3 axis in degree is _________. [rounded off to 1 decimal place]
Correct : 27.8
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