Index properties of soil (Grain size distribution, consistency limits). Purpose of soil classification, engineering soil classification systems (ASTM or USCS, AASHTO)
Course Material
- Introduction to the course and recommended books, Introduction to Soil Mechanics: Definition, role of Soil Mechanics in design and construction of Civil Engineering projects
- Soil formation, principal soil deposits. Soil structure and texture
- Principle properties of soil (natural moisture content, density, specific gravity, void ratio, porosity, degree of saturation). Volumetric and volume weight relationships
- Index properties of soil (Grain size distribution, consistency limits). Purpose of soil classification, engineering soil classification systems (ASTM or USCS, AASHTO)
- Permeability & Seepage: Definition, scope, Darcy’s law, laboratory and field methods of determining permeability, Seepage, seepage control, filters
- Stresses in Soil: Geostatic stresses, total and effective stresses, stress from surface loads
- Lateral stress, Stress influence charts/diagrams and their uses
- Compressibility, Definitions, consolidation, consolidation test and data reduction
- Naturally consolidated clayey and partially consolidated clayey soils, settlement and rate of settlement
- Shear strength of soil, Coulomb’s law, shear strength parameters (c&Φ), cohesive and non-cohesive soils
- Laboratory and field evaluation of (c&Φ). Utility of shear strength parameters
- Laboratory and field evaluation of (c&Φ). Utility of shear strength parameters
- Moisture density relationship, laboratory and field compaction methods. Compaction control during construction, factors affecting compaction
- Ground improvement techniques – dynamic compaction, pre-loading, vibrator
- Site Selection and Exploration: Scope and objective, exploration methods
- Field tests (SPT,CPT, Plate load Test, Pressure meter, Dilatometer Test)
- Chapters 16
- Department Engineering Technology
- Teacher
Engr. Aisha Butt
