Civil Engineering MCQAE Level Civil Engineering
Tresca failure criterion states yielding occurs when:
Strength of MaterialsTresca Failure TheoryMEDIUM
Choose the correct answer
A
Max principal stress = yield stress
B
Max shear stress = half yield stress
C
Distortion energy = yield energy
D
Max strain = yield strain
Correct Answer
B. Max shear stress = half yield stress
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Tresca: τmax = σy/2; yielding when maximum shear stress equals half the uniaxial yield stress.
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