What is the angle of internal friction for a saturated soil sample th – McqOptions

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1.	What is the angle of internal friction for a saturated soil sample that fails under axial stress of 100 kN/m2 in an unconfined compression test and the failure plane makes an angle of 50° with the horizontal?
A.	10°
B.	20°
C.	15°
D.	25°
Answer» B. 20°

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What is the angle of internal friction for a saturated soil sample that fails under axial stress of 100 kN/m2 in an unconfined compression test and the failure plane makes an angle of 50° with the horizontal?