Module – I (10 Hours)
Stress distribution in soil: Boussinesq equations, Stress isobar and pressure bulb concept, pressure
distribution on horizontal and vertical planes, stresses due to point load, line load, strip load,
uniformly loaded circular and rectangular areas. Use of newmark‟s chart. Westergaard‟s solution.
Approximate methods (point load method, two-to-one load distribution method). Contact pressure
distribution due to loaded areas. Concept of active zone.
Module –II (10 Hours)
Lateral earth pressure and retaining structures: Earth pressure at rest, active and passive earth
pressure. Earth pressure theories, Rankine‟s theory, Coloumb‟s wedge theory, Rebhann‟s and
Culmann‟s graphcal methods, stability conditions for retaining walls. Stability of earth slopes:
Stability of infinite slopes, stability analysis of finite slopes, Swedish method of slices, fiction circle
method, Bishop‟s method. Use of Taylor stability number. Fellnious metod for locating centre of
critical slip circle.
Module – III (10 Hours)
Subsoil exploration: Methods, direct (test pits, trenches), semi-direct (borings), indirect (sounding,
penetration tests, and geophysical methods).
Planning of exploration programme, spacing and depth of boring, soil sampling, types of samples,
standard penetration test, static and dynamic cone penetration test, in-situ vane shear test. Seismic
refraction method, electrical resistivity methods,
Module-IV (10 Hours)
Shallow foundation: Introduction, bearing capacity, methods and determination of bearing capacity,
settlement of foundations.
Deep foundation: Classification of pile, pile driving methods, pile capacity (static and dynamic
analysis) pile-group analysis, load test on piles.
1. Geotechnical Engineering, C. Venkatramaiah, New Age International publishers.
2. Geotechnical Engineering, T.N. Ramamurthy & T.G. Sitharam, S. Chand & Co.
3. Soil Mechanics, T.W. Lambe & Whiteman, Wiley Eastern Ltd, Nw Delhi.
4. Foundation Engineering, P.C. Verghese, Prentice Hall of India.