The principal stress relationship on a failure plane is given by _____ – McqOptions

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1.	The principal stress relationship on a failure plane is given by _______
A.	σ₁=σ₃ tan² α
B.	σ₁=2c tan⁡α-σ₃ tan² α
C.	σ₁=2c tan⁡α+σ₃
D.	σ₁=2c tan⁡α+σ₃ tan² α
Answer» E.

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