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Course Co-ordinated by IIT Guwahati
Prof. Baleshwar Singh
IIT Guwahati


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I. Introduction (2 hours)
   Introduction to Soil Mechanics and Soil Engineering; Complexity of soil nature;Soil      formation and soil types.

II. Simple Soil Properties (3 hours)
   Basic definitions; Phase relations; Index properties; Grain size distribution;Soil
   aggregate properties.

III. Soil Classification (3 hours)
    Indian standard soil classification system.

IV. Soil Structure (2 hours)
     Basic concepts of clay minerals; Soil structure and fabric.

V. Principle of Effective Stress and Related Phenomena (5 hours)
    Principle of effective stress; Capillarity; Seepage force and quicksand condition;
    Total, pressure and elevation heads.

VI. Permeability (4 hours)
     One-dimensional flow; Darcy’s law; Laboratory methods for permeability
     determination; Field pumping tests for permeability determination; Permeability as      a function of soil type, permeant, void ratio, soil fabric, and effective stress.

VII. Seepage through Soils (2 hours)
      Two-dimensional flow; Flow nets and their characteristics; Uplift pressure, exit
      gradient, and piping; Criteria for filters.

VIII. Compressibility and Consolidation Behaviour (6 hours)
      Components of total settlement; Effects of soil type, stress history, and effective
      stress on compressibility; Normally consolidated and over-consolidated soils;
      Terzaghi’s theory of one-dimensional consolidation; Time-rate of consolidation;
      Evaluation of compressibility and consolidation parameters from consolidometer

IX. Shear Strength Behaviour (9 hours)
    Mohr’s stress circle; Mohr-Coulomb failure criterion; Laboratory tests for shear
    strength determination; Effective and total stress shear strength parameters; Shear
    strength characteristics of clays and sands.

X. Compaction Behaviour (4 hours)
    Laboratory compaction tests; Factors affecting compaction; Structure and
   engineering behaviour of compacted cohesive soils; Field compaction; Compaction
   specifications and field control.


List of Experiments
1. Visual soil classification
2. Water content determination
3. Specific gravity test
4. Sieve analysis
5. Hydrometer analysis
6. Atterberg limits determination
7. Permeability tests
8. Compaction test
9. Core-cutter and sand replacement methods for in-situ density determination
10. Direct shear test
11. Unconfined compression test

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