Soil Mechanics (2150609)  

Syllabus

Sr. Topics Teaching Hours Module Weightage
1
Compaction:

Definition, Theory of compaction, Factors affecting compaction, Laboratory compaction tests, Effect of compaction on soil properties, Placement water content, Placement layer thickness, Field control of compaction, Proctor's needle, Methods of compaction used in field.

6
10 %
2
Shear Strength of Soil :

Mohr's strength theory, Mohr- coulomb's strength theory, Modified Mohrcoulomb's theory, Shear parameters tests: Direct shear test, Unconfined compression test, lab. Vane shear test, Triaxial compression test, Shear tests based on drainage conditions. 

7
20 %
3
Consolidation of Soils :

Compressibility of soils, Definitions and mechanism of consolidation, Spring analogy, Void ratio and effective stress relation, Related indices, Assumptions of Terzaghi’s one dimensional consolidation theory, Time factor, One dimensional consolidation tests, Laboratory and theoretical time curves, Determination of pre-consolidation pressure, Estimation of consolidation settlement and rate of settlement for uniform pressure increment in a clay layer.

7
15 %
4
Stability of Slopes:

Infinite and finite slopes, factor of safety, type of slope failure, stability of infinite slopes, finite slopes, forms of slip surfaces, limit equilibrium method and critical stage instability analysis, effects of tension crack and submergence, C-analysis-method of slices, taylor’s stability no., Bishop’s method.

6
15 %
5
Earth Pressure

Types of lateral earth pressure, Rankine’s and Coulomb’s earth pressure, Theory and their application for determination of lateral earth pressure under different conditions,Rebhann’s and Culmann’s Graphical methods of determination of lateral earth pressures

7
20 %
6
Stress Distribution of Soils:

Causes of stress in soil, geostatic stress,Boussinesque’s equation, stress distribution diagrams, New-mark’s influence chart Westergard’s equation, contact pressure, stresses due to triangular and circular, strip and rectangular loadings.

7
15 %
7
Basics of foundation:

Types of foundation, Factors affecting the selection of type of foundations, steps in choosing types of foundation

2
5 %