Geo technical Geotech. Soil Mechanics : Download above File and Click on each topic to view PPT
- 1. usefulsearch.org BE VII Sem GeoTechnical Engg. I Each topic of course content of syllabus is hyperlinked to ppt. Please double click Left mouse button on any of following topic to see ppt Unit - I Basic Definitions & Index Properties: Definition and scope of soil mechanics, Historical development. Formation of soils.Soil composition. Minerals, Influence of clay minerals on engineering behaviour. Soil structure. Three phase system. Index properties and their determination. Consistency limits. Classification systems based on particle size and consistency limits Unit - II Soil Water and Consolidation: Soil water, Permeability Determination of permeability in laboratory and in field. Seepage and seepage pressure. Flownets, uses of a flownet,
- 2. Effective, neutral and total stresses. Compressibility and consolidation, Relationship between pressure and void ratio, Theory of one dimensional consolidation. Consolidation test, Fitting Time curves. Normally and overconsolidated clays. Determination of preconsolidation pressure, settlement analysis. Calculation of total settlement. Unit - III Stress Distribution in Soils and Shear Strength of Soils: Stress distribution beneath loaded areas by Boussinesq and water gaurd’s analysis. Newmark’s influence chart. Contact pressure distribution. Mohr Coulomb’s theory of shear failure of soils, Mohr’s stress circle, Measurement of shear strength, Shear box test, Triaxial compression test,, Measurement of pore pressure, pore pressure parameters, critical void ratio, Liquefaction. unconfined compression test, Vane shear test Unit IV Stability of Slopes: Infinite and finite slopes. Types of slope failures, Rotational slips. Stability number. Effect of ground water. Selection of shear strength parameters in slope stability analysis. Analytical and graphical methods of stability analysis. Stability of Earth dams. Unit - V Lateral Earth Pressure: Active, passive and earth pressure at rest. Rankine, Coulomb, Terzaghi and Culmann’s theories. Effect of surcharge, water table and wall friction. Analytical and of determination of earth pressures on cohesionless and cohesive soils.
- 3. Graphical methods. Arching in soils. Reinforced earth retaining walls. LABORATORY WORK : Laboratory work will be based on the above course as required for soil investigators of engineering projects. List of Experiments: 1. Determination of Hygroscopic water content 2. Particle size analysis 3. Determination of Specific gravity of soil particles 4. Determination of plastic limit 5. Determination of liquid limit 6. Determination of shrinkage limit 7. Permeability tests 8. Direct shear test 9. Consolidation test