ER3402 Soil Mechanics and Foundation Engineering Syllabus:
ER3402 Soil Mechanics and Foundation Engineering Syllabus – Anna University Regulation 2021
Course Objective:
To enable the students to acquire the essential knowledge about the soil exploration, index, and engineering properties of soils, types of foundations, and their carrying capacity.
Unit-I Soil Exploration and Classification
Methods of exploration – Auguring and boring – Wash boring and rotary drilling – Sampling methods – Split spoon sampler, thin wall sampler, Stationary piston sampler – Penetration tests (SPT and SCPT) – Index properties and phase relations – BIS classification system.
Unit-II Stresses and Settlement
Effective stress concepts in soils – Total, neutral and effective stresses – Stresses due to applied loads – Stress distribution in homogeneous and isotropic medium – Boussinesq theory – (Point loadand udl) – Computation of total settlement and time rate of settlement using Terzaghi’s one dimensional consolidation theory.
Unit-III Permeability and Seepage
Soil water – Static pressure in water – Capillary phenomena – Permeability interaction – Hydraulic conductivity – Darcy’s law – Determination of Hydraulic Conductivity – Laboratory Determination (Constant head and falling head methods) and field measurement pumping out in unconfined and confined aquifer – Factors influencing permeability of soils – Seepage – Two-dimensional flow – Laplace’s equation – Introduction to flow nets – Simple problems. (Sheet pile and weir)
Unit-IV Foundations
Foundation – Functions and requisites – Footings and Rafts – Types – Contact pressure distribution – Piers and Caissons – Types – Piles – Classification – Functions – Carrying capacity of piles – Static formula – Selection Factors – Choice of foundation based on soil condition.
Unit-V Shear Strength and Bearing Capacity
Shear strength of cohesive and cohesionless soils – Measurement of shear strength – Direct shear, Triaxial compression, UCC and Vane shear tests – Evaluation of Bearing capacity of shallow foundation using BIS formula.
Total :45 periods
References:
1. Murthy, V.N.S., “Soil Mechanics and Foundation Engineering”, CBS Publishers and Distributers Ltd., New Delhi, 2015.
2. Das, B.M. “Principles of Foundation Engineering” (Eighth edition), Thompson Asia Pvt. Ltd., Singapore, 2013.
3. Kaniraj, S.R., “Design aids in Soil Mechanics and Foundation Engineering”, Tata McGraw Hill publishing company Ltd., New Delhi, 2002
4. Gopal Ranjan and Rao, A.S.R., “Basic and Applied Soil Mechanics”, New Age Ltd. International Publisher New Delhi (India) 2006.
5. Punmia, B.C., “Soil Mechanics and Foundations”, Laxmi Publications Pvt. Ltd. New Delhi, 2005
Course Outcomes:
On completion of the course, the student is expected to be able to
CO1: Outline the soil exploration programme and its significance in determining the properties of soils and their classification.
CO2: Calculate the stress distribution in the soil medium and apply it to the soil settlement analysis.
CO3: Evaluate the engineering properties of soils and understand their field applications.
CO4: Classify the types of foundation and determine their carrying capacity.