+1 vote
in Geotechnical Engineering II by (93.7k points)
The concept of a three dimension yield envelope was presented by _________

(a) D.C. Drucker and Prager

(b) Mohr

(c) None of the mentioned

(d) All of the mentioned

This question was posed to me during an interview for a job.

My question is from The Mohr topic in portion Failure Envelopes & Earth Pressure of Geotechnical Engineering II

1 Answer

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by (243k points)
Right choice is (a) D.C. Drucker and Prager

The explanation: The effect of intermediate principal was studied by D.C. Drucker and W. Prager in 1952, who proposed the concept of a three dimensional yield envelope.

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