Correct Answer - Option 2 : Confined compression test
Concept
Shear Tests of soil:
Most of the shear tests are done to determine the shear strength of soil on equipment that is strain-controlled.
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Type of test
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Type of Soil
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Type of Shear Strength that can be measured
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Direct shear
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Saturated sands
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Undrained shear strength because there is no mechanism to measure pore water pressure
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Triaxial shear
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All type of soils i.e. sand, clay, silt
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Both drained and undrained shear strength
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Vane shear
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Saturated clays
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Undrained shear strength because there is no mechanism to measure pore water pressure
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Unconfined compression
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Soft clays having zero angles of internal friction
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Both drained and undrained shear strength
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Here,
It is mentioned as Confined Compression Test, which is wrong. It should be Unconfined Compression Test
