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Curriculum · Soil laboratory
  1. 1Phase relations
  2. 2Specific gravity
  3. 3Sieve analysis
  4. 4Hydrometer analysis
  5. 5Atterberg limits
  6. 6Unified Soil Classification System (USCS)
  7. 7Proctor compaction
  8. 8Direct shear
  9. 9One-dimensional consolidation

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Soil laboratory

Soil mechanics tests explained step by step, with the theory, equipment, procedure, calculations and recommendations for the report.

  1. Lesson 1Soil phase relations: void ratio, porosity and saturationLearn to measure the water content, density, void ratio, porosity, and degree of saturation of a soil in the lab, with the theory, procedure, and calculations.
  2. Lesson 2Specific gravity of soil: test and calculationLearn how to run the specific gravity of soil solids test (ASTM D854), from the procedure to the calculations and the final report.
  3. Lesson 3Sieve analysis of soil: test and gradation curveHow to run a sieve analysis on a coarse-grained soil, from washing out the fines to the percent passing, D60, D30, D10, Cu, and Cc for the report.
  4. Lesson 4Hydrometer analysis of soil: test and calculationHow to run a hydrometer analysis on a fine-grained soil, from dispersing the sample to Stokes' law particle sizes, the percent finer, and the report.
  5. Lesson 5Atterberg limits test: liquid limit and plasticity indexHow to determine the liquid, plastic, and shrinkage limits of a fine-grained soil in the lab, with the equipment, procedure, calculations, and report.
  6. Lesson 6Unified Soil Classification System (USCS)Learn to classify soils with the Unified Soil Classification System (USCS), using the sieve analysis, the Atterberg limits, and the ASTM D2487 criteria.
  7. Lesson 7Proctor compaction test: standard and modifiedLearn how to run the standard and modified Proctor compaction tests in the lab, with the procedure, equipment and calculations explained step by step.
  8. Lesson 8Direct shear test: procedure and calculationHow to run a direct shear test on dry sand, from the equipment and specimen preparation to the calculation of peak and residual friction angles and the report.
  9. Lesson 9One-dimensional consolidation test (oedometer)Learn the one-dimensional consolidation (oedometer) test per ASTM D2435, with its theory, equipment, procedure and key calculations for saturated soils.