Soil Mechanics
Engineering Classification of Soils: The USCS Approach
An academic review of the Unified Soil Classification System through particle size, plasticity and group symbols.
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Soil Mechanics
Particle-Size Distribution: Sieve and Hydrometer Analysis
Deriving soil gradation curves, characteristic diameters and engineering interpretation of test results.
Soil Mechanics
Engineering Meaning of Atterberg Limits and Consistency Indices
Technical interpretation of liquid limit, plastic limit, plasticity index and derived consistency indicators.
Soil Mechanics
Direct Shear versus Triaxial Testing
Boundary conditions, outputs and project-based selection of two principal strength tests.
Geotechnical Knowledge
What Do Atterberg Limits Tell Us?
Using liquid limit, plastic limit and plasticity index to understand fine-grained soils.