Correct Answer - Option 4 : assessing its degree of compaction
Explanation
1. Proctor test is performed to determine the relationship between the moisture content and dry density of a soil for a specified compactive effort.
IS 2720 (Part 2)- 1980 Methods of test for soils: Part 7
Determination of water content- dry density relation using light compaction.
IS 2720 (Part 2)- 1973 Methods of test for soils: (Part 2)
Determination of water content.
2. Following are the tests for shear strength
Most of the shear tests are done to determine the shear strength of soil on equipment which are strain-controlled.
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Type of test
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Type of Soil
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Direct shear
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Saturated sands
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Triaxial shear
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All type of soils i.e. sand, clay, silt
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Vane shear
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Saturated clays
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Unconfined compression
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Soft clays having zero angle of internal friction
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