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The yield or failure criterion can be expressed as ____________

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+1 vote
in Geotechnical Engineering II by (93.7k points)
The yield or failure criterion can be expressed as ____________

(a) f(I1,I2)=0

(b) f(I1,I2,I3)=0

(c) f(σ1,σ2,σ3)=0

(d) f(σmax +σmin)

The question was posed to me during an internship interview.

I need to ask this question from The Mohr in section Failure Envelopes & Earth Pressure of Geotechnical Engineering II

1 Answer

0 votes
by (243k points)
Right answer is (b) f(I1,I2,I3)=0

The best explanation: The yield criterion may be expressed as f (I1, I2, I3) = 0

Where I1, I2, I3 are the invariant of stress.

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