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in Geotechnical Engineering I by (102k points)
The critical shear stress causing failure of material depends upon ____________

(a) Properties of the material and normal stress on the plane

(b) Intermediate principal stress

(c) None of the mentioned

(d) All of the mentioned

This question was addressed to me during an online interview.

This intriguing question comes from Mohr topic in division Shear Strength of Geotechnical Engineering I

1 Answer

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by (727k points)
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Best answer
Right choice is (a) Properties of the material and normal stress on the plane

Easiest explanation: According to Mohr’s strength theory, the critical shear stress causing failure depends upon the properties of the materials as well as on normal stress on the failure plane.

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