Question:

Mohr-Coulomb envelop between shear stress, τ and normal stress, σn of a sandstone rock is given as
τ=7.5+0.84 on   (unit of stresses is MPa)
A sandstone sample is tested in triaxial mode with confining pressure of 5.0 MPa. The value of the shear stress, τ in MPa at the failure, is____.(round off up to 2 decimals)

Updated On: Jul 18, 2024
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Correct Answer: 19

Solution and Explanation

The correct answer is: 19.00 or 20.00 (approx)
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