1. Permeability and seepage :
Darcy's law and its validity, factors affecting permeability, laboratory and yield determination of permeability, permeability of stratified soil masses, seepage pressure quick condition laplace equation, flow net and its characteristics.
2. Stress distribution in soil :
Boussingeaq's and westergaard's equation for distribution of pressure on a vertical plane and a horizontal plane below ground surface due to vertical point load on the ground surface, Boussinesq's solution for vertical pressure under uniformly loaded circular as well as rectangular area and a strip load, Newmarks chart its principle., construction and use.
3. Consolidation of soils :
Compressibility of soils, definition and mechanism of consolidation, spring analogy, compression index, coefficient of compressibility, coefficient of volume change, derivation of Terzaghi's one dimensional consolidation equation, time factor and consolidation ratio, calculation of consolidation settlement for uniform pressure increment in a clay layer, one dimensional consolidation test, laboratory and theoretical time curves.
4. Shearing resistance and strength :
Mohr's strength theory Mohr-coulomb's strength theory, direct shear test, introduction to triaxial compression test, unconfined compression test, vane shear test, effective stress principle.
5. Compaction :
Definition, theory of compaction laboratory compaction tests, factors affecting compaction in the field, effect of compaction on soil properties, placement water content, placement layer thickness, field control of compaction.
6. Stability of slopes :
Idealized condition used in the analysis factor of safety, infinite and finite slopes, stability of infinite and finite slopes, stability of infinite slopes. Introduction to Swedish circle methods of analysis, Taylor's stability number, Friction method.
7. Earth Pressure :
Active and passive earth pressure due to level and changed backfill. Earth pressure at rest, Rankine's earth (only level backfill) pressure theory, Coulomb's wedge theory for active earth pressure. Rhbammil principal construction.
* Term Work :
Term work shall consist of laboratory and tutorials (mini. 30 problems) based on above course. The assessment of term work shall include a practical / oral test also.
* Reference Books :
1. Soil Mechanics & Foundation Engineering Vol. - I V.N.S. Murthy
2. Fundamentals of Soil Mechanics D.W. Taylor
3. Soil Mechanics Sower & Sower
4. Soil Mechanics Spengler
5. Soil Mechanics Arora
