Rock & soil formation; impact on design & construction. (5 hours)
Basic characteristics of soils
Phase relations; particle size analysis; index properties; soil classification; and their role in soil mechanics. (5 hours)
Effective stress principle
Stresses and pore water pressure changes in the soil; drained & undrained conditions.
Shear failure of soil medium; Mohr-Coulomb failure criterion; triaxial tests; drained and undrained behaviour; total and effective strength parameters; Skempton’s pore pressure parameter; stress path effects; field measurements. (10 hours)
Compressibility & volume changes of granular & fine grained soils; compaction; elastic settlement; elastic modulus & Poisson's ratio; compression indices; laboratory & field measurements. (6 hours)
Seepage & consolidation
Darcy's law; permeability measurements; steady state seepage; flow nets; seepage forces; 1D consolidation; coefficient of consolidation & its measurement; preloading.
Example: Feasibility study on land reclamation (laboratory soil testing, interpretation of soil data, consolidation analysis, other geotechnical considerations, recommendations) Professional consultancy report to be submitted. (3 hours)