Module 1
Soil formation and soil types: Residual soil and transported soil-Soil structure-Basic structural units of clay minerals. Simple soil properties: three phase systems – void ratio – porosity – degree of saturation – moisture content – specific gravity – unit weight relationships.
Laboratory and field identification of soils: Determination of water content, specific gravity, determination of field density by core cutter and sand replacement method, grain size analysis by sieve, hydrometer and pipette analysis – Atterberg limits and indices – field identification of soils.Classification of soils: Principles of classification – I. S. classification – plasticity chart – Sensitivity and thixotropy.
Soil formation and soil types: Residual soil and transported soil-Soil structure-Basic structural units of clay minerals. Simple soil properties: three phase systems – void ratio – porosity – degree of saturation – moisture content – specific gravity – unit weight relationships.
Laboratory and field identification of soils: Determination of water content, specific gravity, determination of field density by core cutter and sand replacement method, grain size analysis by sieve, hydrometer and pipette analysis – Atterberg limits and indices – field identification of soils.Classification of soils: Principles of classification – I. S. classification – plasticity chart – Sensitivity and thixotropy.
Module 2
Permeability of soils: Darcy’s law – factors affecting – constant headand falling head test – permeability of stratified deposits. soil- water system – classification of soil water – capillarity of soils – principles of effective stress.
Seepage of soils: seepage pressure, critical hydraulic gradient – quicksand condition – flownet diagram for isotropic and anisotropic soils – phreaticline in earth dams – exit gradient- protective filters.
Permeability of soils: Darcy’s law – factors affecting – constant headand falling head test – permeability of stratified deposits. soil- water system – classification of soil water – capillarity of soils – principles of effective stress.
Seepage of soils: seepage pressure, critical hydraulic gradient – quicksand condition – flownet diagram for isotropic and anisotropic soils – phreaticline in earth dams – exit gradient- protective filters.
Module 3
Shear strength: Shear strength parameters – Mohr’s circle – Mohr Coulomb strength theory -direct, triaxial, unconfined and vane shear tests- Drainage conditions – UU, CD and CD tests – choice of test conditions for field problems – measurement of pore pressure-critical void ratio and liquefaction.
Shear strength: Shear strength parameters – Mohr’s circle – Mohr Coulomb strength theory -direct, triaxial, unconfined and vane shear tests- Drainage conditions – UU, CD and CD tests – choice of test conditions for field problems – measurement of pore pressure-critical void ratio and liquefaction.
Module 4
Compaction: Objects of compaction – proctor test and modified proctor test – concept of OMC and Max. dry density – Zero air void line – factors affecting compaction – effect of compaction on soil properties – field methods-.of compaction – control of compaction.
Stability of slopes: types of failures of soil slopes – Swedish circle method – (f) = 0 analysis and C – (f) analysis. Friction circle method -Taylor’s stability number and stability charts.
Compaction: Objects of compaction – proctor test and modified proctor test – concept of OMC and Max. dry density – Zero air void line – factors affecting compaction – effect of compaction on soil properties – field methods-.of compaction – control of compaction.
Stability of slopes: types of failures of soil slopes – Swedish circle method – (f) = 0 analysis and C – (f) analysis. Friction circle method -Taylor’s stability number and stability charts.
Module 5
Compressibility and consolidation of soils: void ratio – pressure relationship – concept of coefficient of compressibility – coefficient of volume change and compression index – normally loaded and pre loaded deposits – determination of preconsolidation pressure – Terzaghi’s theory of one dimensional consolidation – time rate of consolidation – time factor – degree of consolidation – square root time and log time – fitting methods – coefficient of consolidation – calculation of void ratio – height of solids methods and change in void ratio method – settlement analysis.
Compressibility and consolidation of soils: void ratio – pressure relationship – concept of coefficient of compressibility – coefficient of volume change and compression index – normally loaded and pre loaded deposits – determination of preconsolidation pressure – Terzaghi’s theory of one dimensional consolidation – time rate of consolidation – time factor – degree of consolidation – square root time and log time – fitting methods – coefficient of consolidation – calculation of void ratio – height of solids methods and change in void ratio method – settlement analysis.
References
Murthy V. N.S, Soil Mechanics and Foundation Engineering, Nai Sarak, Delhi.
Jumkis A .R., Soil Mechanics, Calgotia Book Source Publishers.
Gopal Ranjan and A .S .R .Rao, Basic and Applied Soil Mechanics, New Age International Publishers.
Punmia B. C., Soil Mechanics and Foundation Engineering, Laxshmi Publications, New Delhi.
Arora K. R., Soil Mechanics and Foundation Engineering, Standard Publishers, Distributors.
V. Narasimha Rao and Venkatramaiah, Numerical Problems, Examples and Objective Questions in Geotechnical Engineering, Orient LongMan Publishers.
Lambe & Whitman, Soil Mechanics, John Wiely Publications.
Jumkis A .R., Soil Mechanics, Calgotia Book Source Publishers.
Gopal Ranjan and A .S .R .Rao, Basic and Applied Soil Mechanics, New Age International Publishers.
Punmia B. C., Soil Mechanics and Foundation Engineering, Laxshmi Publications, New Delhi.
Arora K. R., Soil Mechanics and Foundation Engineering, Standard Publishers, Distributors.
V. Narasimha Rao and Venkatramaiah, Numerical Problems, Examples and Objective Questions in Geotechnical Engineering, Orient LongMan Publishers.
Lambe & Whitman, Soil Mechanics, John Wiely Publications.
mg university b.tech syllabus S5 Civil Engg