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This question belongs to Geological Engineering Rock Mechanics And Rock Engineering

Rock Mechanics and Rock Engineering

?

In a Mohr-Coulomb failure envelope, failure occurs when:

A) Normal stress increases B) Pore pressure decreases C) Shear stress exceeds cohesion D) Shear stress exceeds shear strength

Answer & Solution

Correct Answer: Option D

Failure in rocks under the Mohr-Coulomb criterion occurs when shear stress exceeds shear strength governed by cohesion and friction.

Question posted by Examveda

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