Answered: Describe Mohr’s Failure Criterion?

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Describe Mohr’s Failure Criterion?

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The theory of Mohr implies that failure occurs once the circle of Mohr reaches the envelope provided by the two circles of Mohr of uniaxial tensile strength as well as uniaxial compression strength at quite a specific point. The following figure shows this envelope.

At the restricting compression stress s_c of the stuff, the leftward circle is for uniaxial compression. Similarly, the rightward circle at the restricting tensile stress s_t is really for uniaxial tension.

On the diagram (dot line circle), the central Mohr's Circle reflects the maximum permissible stress for a transitional state of stress.

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