Engineering :: Soil Mechanics and Foundations

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For a sandy soil, the angle of internal friction is 30?. If the major principal stress is 50 kN/m2 at failure, the corresponding minor principal stress will be

[A].	12.2 kN/m2	[B].	16.66 kN/m2
[C].	20.8 kN/m2	[D].	27.2 kN/m2

Answer: Option B

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