1010234330                                        Soil Mechanics and Foundation Engineering                                                                                                                                                    Practicum 
Unit I SOIL PROPERTIES AND ITS CLASSIFICATION
Introduction to Soil Mechanics-Origin of soil, Three phase diagram – Definitions- Cohesive soil,
Cohesion less soil, Void ratio, porosity, degree of saturation, water content, specific gravity of soil
grains, unit weights, density index and interrelationship of different parameters (Only formula) -Simple
problems- BIS soil classification.
Practical

1. Determination of Specific gravity of sand 2
2. To determine the moisture content of a given sample of soil 3
3. Calculate Voids ratio and porosity of sand ( If specific gravity, moisture content and

degree of saturation value is given)

4. Determine Grain size distribution of given soil sample by Sieve analysis 3
5. Determination of liquid limit and Plastic limit of the given soil sample 3
Unit II PERMEABILITY, TOTAL STRESS AND SHEAR STRENGTH OF SOIL
Permeability -Definition, Factors affecting permeability, Determination of coefficient of permeability
(Constant head and falling head method – Procedure only)-Darcy’s law- Differentiate Darcy velocity and
seepage velocity – Definition and Significance of total stress, effective stress, Pore water pressure,
Capillary phenomena& quick sand condition – Shear Strength -Definition, Factors affecting shear
strength of soil- Test on shear strength of soils (Name and uses only)
Practical

6. Determination of shear strength of soil by direct shear
Unit III CONSOLIDATION AND COMPACTION
Consolidation-Definition, Factors affecting Consolidation – Compaction – Definition, Factors affecting
compaction, Compaction Curve- Field methods of compaction – rolling, ramming and vibration.
Suitability of different types of rollers – smooth wheel roller, sheep foot roller, pneumatic tyred roller.
CBR Test Procedure only

7. Determination of field density of soil by sand replacement method(OR)

Core cutter method.

8. Determination of field density& optimum moisture content using

Proctor’s compaction test (OR) Modified proctor compaction test 4

Unit IV TYPES OF FOUNDATION AND BEARING CAPACITY OF SOIL
Types of foundation–Suitability and application of Isolated, strip, raft, Pile, well foundation. Uses of
Pile groups and Sheet piles. Terzaghi’s theory Assumption and Equation of bearing capacity for
different footing (only formula) – Effect of water table on bearing capacity- Definition and significance
of bearing capacity, ultimate bearing capacity, Net safe bearing capacity, Safe bearing capacity of soils
and Negative skin friction – Factors affecting bearing capacity of soil.

9. Using Standard penetration test, Identify various types of soil in Different layer and prepare

detailed report (Demonstration with models / video / Field visit )

Unit V SOIL SAMPLING & STABILIZATION
Sampling and types of samplers, undisturbed, disturbed and representative samples-Area ratio,
recovery ratio of samples – Materials used in soil stabilization-Geo-materials, Synthetic, natural
polymers, Cement, Lime & Fly ash. Different methods of soil stabilization – Deep Mixing Method,
Grouting Method, Mechanical Stabilization of Soil.
Practical

10. Using Auger boring (or) Any boring method, Identify various types of soil in Different layer. 4