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Nature of Soil - Problems with soil - phase relation - sieve analysis - sedimentation analysis – Atterberg limits - classification for engineering purposes - BIS Classification system –GI Index- Soil compaction - factors affecting compaction – field compaction methods and monitoring.
Soil water – Various forms – Capillary rise – Suction – Total, neutral and effective stress distribution in soil-Permeability – Darcy’s Law- Permeability measurement in the laboratory – quick sand condition - Seepage – Laplace Equation - Introduction to flow nets –properties and uses-Application to simple problems.
Stress distribution in soil media – Boussinesque’s formula – stress due to line load and Circular and rectangular loaded area - Use of influence charts-Westerguard’s equation for point load - Components of settlement - Immediate and consolidation settlement - Terzaghi's one dimensional consolidation theory - laboratory consolidation test – Field consolidation curve – NC and OC clays - problems on final and time rate of consolidation
Shear strength of cohesive and cohesion less soils - Mohr - Coulomb failure theory - Strength parameters - Measurement of shear strength, direct shear, Triaxial compression, UCC and Vane shear tests –Types of shear tests based on drainage and their applicability - Drained and undrained behavior of clay and sand – Stress path for conventional triaxial test.
Slope failure mechanisms - Modes - Infinite slopes - Finite slopes – Total and effective stress analysis - Stability analysis for purely cohesive and C- soils - Method of slices – Modified Bishop’s method - Friction circle method - Stability number – Problems - Slope protection measures..
Reference Book:
McCarthy, D.F., “Essentials of Soil Mechanics and Foundations: Basic Geotechnicsâ€. Prentice-Hall, 2006. Coduto, D.P., “Geotechnical Engineering – Principles and Practicesâ€, Prentice Hall of India Pvt. Ltd. New Delhi, 2010. Braja M Das, “Principles of Geotechnical Engineeringâ€, Cengage Learning India Private Limited, 8th Edition, 2014. Palanikumar.M., “Soil Mechanicsâ€, Prentice Hall of India Pvt. Ltd, Learning Private Limited Delhi, 2013. Venkatramaiah.C., “Geotechnical Engineeringâ€, New Age International Pvt. Ltd., New Delhi, 2017.
Text Book:
1. Punmia B.C, “SoilMechanics and Foundationsâ€,Laximi Publications Pvt.Ltd, NewDelhi,2017. 2. Gopal Ranjan and Rao A.S.R, “Basic and Applied soil Mechanicsâ€, New Age International Publishers, NewDelhi,2013.