In case of passive state of plastic state of equilibrium, the lateral pressure is the _________
(a) minor principal stress
(b) major principal stress
(c) major principal plane
(d) minor principal plane
The question was asked by my college professor while I was bunking the class.
This interesting question is from Passive Earth Pressure: Rankine’s Theory in division Failure Envelopes & Earth Pressure of Geotechnical Engineering II