Geotechnical Engineering (3130606)

Unit-35:  Type of Soils, Index Properties, Inter-relationships and Soil Characterization

Types of soil and soil formation, Geological cycle, Phase diagrams, Basic terms, Functional relationships based on index properties, Physical characterization of soil-Dry and Wet sieve analysis, Atterberg’s Indices, Soil Structures, Soil Water and its types, Standard nomenclature & IS Soil Classification, Numericals.

Problems/Numericals/Codes/Lab and Field Tests.

Unit-35:  Permeability and Seepage

Darcy's law and its validity, Factors affecting permeability, Laboratory permeability tests, Permeability of stratified soil masses, Seepage pressure, Quick condition, Flow nets.

Unit-35:  Compaction & Consolidation of soil

Definitions, Differentiate between compaction and consolidation, Compaction mechanism and proctor tests, field compactions methods, factors affecting compaction, Consolidation mechanism through spring analogy, fundamental definitions, Terzaghi’s one dimensional consolidation theory (only formula), Time factor, pre-consolidation pressure, consolidation settlement, Numericals.

Tests will be covered in lab sessions.

Unit-35:  Stress Distribution

Causes of stresses in soil, Boussinesque’s and Westergard’s equation, Pressure Bulb, Stress distribution on horizontal and vertical planes, Stresses due to different shapes of footings, New-mark’s influence chart, Numericals.

Unit-36:  Shear Strength of Soil

Mohr's strength theory, Mohr- coulomb’s strength theory, Modified Mohr coulomb’s theory, shears parameters through lab and field tests based on drainage conditions, Numericals.

Tests will be covered in lab sessions.

Unit-36:  Earth Pressure & Stability of Slopes

Types of lateral earth pressure, Rankine’s and Coulomb’s earth pressure, Rebhann’s/Culmann’s Graphical methods, Infinite and finite slopes, Factor of safety, Type of slope failure, Limit equilibrium method, C-analysis-method of slices, Taylor’s stability number, Numericals.

Unit-36:  Introduction to Foundations and Bearing Capacity

Shallow Foundations; Types, Basic terms, SBC computation using IS and Terzaghi methods. Deep Foundations; Pile and Pile capacity, Numericals.

Sr.	Title	Author	Publication	Amazon Link
1	Soil Mechanics & Foundation Engineering	Arora K. R	Standard Publications
2	Soil Mechanics & Foundations	Punmia B. C	Laxmi Publications
3	Soil Mechanics & Foundation Engineering	Murthy V. N. S	Dhanpat Rai
4	Soil Mechanics & Foundation Engineering	Alamsingh	CBS Publishers & Distributors
5	Basic & Applied Soil Mechanics	Basic & Applied Soil Mechanics	New Age International Publishers