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Elongation Index Test For Aggregates

AIM OF THE EXPERIMENT:
To determine the Flakiness Index of the given sample of course aggregate.

CODE OF REFERENCE:
• IS 2386(Part 1):1963 Methods of Test for Aggregates of Concrete- Particle Size and Shape. Reaffirmed Dec 2016
• ASTM 4791-10: Standard Test Method for Flat Particles, Elongated Particles or Flat Elongated Particles in Coarse Aggregates, American Society for Testing and Materials.
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Laboratory Tests For Determination of Strength of Rocks

The following laboratory tests are commonly used for determination of the strength of rocks:
1. Unconfined compression test
2. Triaxial compression test
3. Splitting tension test
4. Beam bending test
5. Ring shear test

All these tests are briefly described as below:
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Direct Shear Test

AIM OF THE EXPERIMENT:
To determine the undrained shear strength of a sandy to silty soil.

CODE OF REFERENCE:
• IS 2720 (Part 13)- 1986 Methods of test for soils: (Part -13) Direct Shear Stress
• IS 2720 (Part 2)- 1973 Methods of test for soils: (Part -2) Determination of water content

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Unconfined Compressive Strength Test

AIM OF THE EXPERIMENT
To determine the unconfined compressive strength of cohesive soil in the laboratory.

CODE OF REFERENCE
• IS 2720 (Part-10)-1973 Methods of test for soils: Part 10 – Determination of unconfined compressive strength.
• IS 2720 (Part-2)-1973 Methods of test for soils: (Part 1) – Determination of water content.
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Gradation of Coarse Aggregate by Sieve Analysis

AIM OF THE EXPERIMENT: To determine the gradation of coarse aggregate by sieve analysis.

CODE OF REFERENCE:

  • IS 383 (1970): Specification of coarse aggregate and fine aggregate from natural sources for concrete [CED 2: Cement and Concrete]

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