The stress condition during plastic equilibrium in terms of tangent o – McqOptions

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1.	The stress condition during plastic equilibrium in terms of tangent of angle is _______
A.	\(σ_1=tan⁡(45°+\frac{φ}{2})+σ_3 tan^2 (45°+\frac{φ}{2}) \)
B.	\(σ_1=2c+σ_3 tan^2 (45°+\frac{φ}{2})\)
C.	\(σ_1=2c \,tan⁡(45°+\frac{φ}{2})+σ_3\)
D.	\(σ_1=2c \,tan⁡(45°+\frac{φ}{2})+σ_3 tan^2 (45°+\frac{φ}{2})\)
Answer» E.

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