Geostatic Stresses:
Effective stress principle, Geostatic stresses, Soil water hydro statics and dynamics, Numerical Problems Lambe’s compaction theory, Structural and Engineering properties of compacted soils, Laboratory compaction tests, Field compaction control related problems, Numerical Problems.
Immediate settlement – Methods of determination, Preconsolidation pressure, stress history, One and Three dimensional differential consolidation equation, Time rate of consolidation, pre compression of clay deposits with and without sand drains, Secondary consolidation, factors affecting, Numerical Problems.
Shear strength parameters of cohesionless and saturated cohesive soils, Principle of effective stress, effect of rate of strain on shear parameters, Stress – Strain relationship, Pore pressure coefficients, Concept of stress path, Laboratory and Field testing their limitations, Numerical Problems.
Stability Analysis of Slope:
Effective and total stress approach, shape of slip surface, sweedish method, methods of slices, location of centre of critical slip circle, Friction circle method, Tayler’s stability number, Bishop’s rigours analysis, stability during critical conditions, Numerical Problems.
Elastic theories of stress distribution in soils -Bousinesq’s, Westergaard’s, Bermister’s theories. Different conditions of loading, Isobars, Newmark’s chart, Numerical problems.