Discussion Forum : Failure Envelopes And Earth Pressure
Question - The stress condition during plastic equilibrium in terms of tangent of angle is _______
Options:
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: Option D
Answer: (d).\(σ_1=2c \,tan⁡(45°+\frac{φ}{2})+σ_3 tan^2 (45°+\frac{φ}{2})\)

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