Course Details
Subject {L-T-P / C} : CE2102 : Mechanics of Soil { 3-0-0 / 3}
Subject Nature : Theory
Coordinator : Dr. Soukat Kumar Das
Syllabus
Module - 1
Soil properties and classification: Origin of soils and types, Soil as three phase system. Soil consistency, sensitivity and thixotropy, Classification of soil,-fine and course grained soil. [8 hours]
Module - 2
Soil compaction: Principles, water content – dry unit weight relationships, optimum moisture content, maximum dry unit weight, factors affecting compaction. Effects of compaction on density, shear strength and permeability. Field compaction methods. [6 hours]
Module - 3
Permeability: Soil-water systems – capillarity, flow, Darcy’s law, permeability and tests for its determination, Permeability of stratified soils, estimation of permeability in the field, piping, quicksand condition, seepage, flow nets. [8 hours]
Module - 4
Shear strength of soil: Coulomb’s law, Mohr’s stress circle, strength envelop and failure conditions, Direct and triaxial shear tests and unconfined compression tests, Effect of pore pressure. [8 hours]
Module - 5
Soil exploration: Boring, Sampling, SPT and related corrections, stability of slopes. [6 hours]
Course Objectives
- Understand the use of three phase system in soil mechanics and estimation of soil properties using three phase system.
- Understand the role of water in soil behavior and estimation of soil stresses, permeability, soil compaction and quantity of seepage including flow net.
- Understand the importance of soil stress distribution and stress influence due to various types of loads.
- Understand the effect of drainage conditions on appropriate soil strength parameters along with the importance of site investigation.
Course Outcomes
1. Understand the importance of geotechnical engineering in civil engineering and do proper soil classification and three phase system to solve the problems. <br />2. Solve any practice problems related to soil stresses estimation, permeability, seepage including flow net diagram. <br />3. Estimate appropriate soil strength parameters with respect to the drainage conditions. <br />4. Solve any practical problems related to field compaction method. <br />5. Understand the importance of soil investigation for any civil engineering construction.
Essential Reading
- S. K. Gulhati and M. Datta, Geotechnical Engineering, McGraw Hill Company
- B. M. Das, Principles of Geotechnical Engineering,, Cengage Learning India Private Limited
Supplementary Reading
- G. Ranjan and A. S. R. Rao, Basic and Applied Soil Mechanics, Wiley Eastern Ltd
- V. N. S. Murthy, Principles of Soil Mechanics and Foundation Engineering, Marcel Dekker Inc