is desired to obtain information about the in-situ strength properties cohesion and angle of friction for a saturated soil and also the pre-consolidation pressure. Direct shear tests under consolidated undrained conditions are performed on three identical samples of clay. For sample one, the applied normal pressure is 36 kPa and the sample fails when the sheer stress is 21.6 kPa, for sample two, the applied normal stress is 72 kPa and the sample shear stress is 24 kPa, for sample three, the applied normal pressure is 120 kPa and the sample shears at 38.4 kPa. Compute the value of the angle of internal friction. a.16.3 b.19.47 c.54.74 d.24.72
is desired to obtain information about the in-situ strength properties cohesion and angle of friction for a saturated soil and also the pre-consolidation pressure. Direct shear tests under consolidated undrained conditions are performed on three identical samples of clay. For sample one, the applied normal pressure is 36 kPa and the sample fails when the sheer stress is 21.6 kPa, for sample two, the applied normal stress is 72 kPa and the sample shear stress is 24 kPa, for sample three, the applied normal pressure is 120 kPa and the sample shears at 38.4 kPa. Compute the value of the angle of internal friction. a.16.3 b.19.47 c.54.74 d.24.72
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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It is desired to obtain information about the in-situ strength properties cohesion and angle of friction for a saturated soil and also the pre-consolidation pressure. Direct shear tests under consolidated undrained conditions are performed on three identical samples of clay. For sample one, the applied normal pressure is 36 kPa and the sample fails when the sheer stress is 21.6 kPa, for sample two, the applied normal stress is 72 kPa and the sample shear stress is 24 kPa, for sample three, the applied normal pressure is 120 kPa and the sample shears at 38.4 kPa. Compute the value of the angle of internal friction.
a.16.3
b.19.47
c.54.74
d.24.72
With Free Body Diagram
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