SOIL MECHANICS
Code:CE403
1 Introduction: Origin & formation of Soil: Types, Typical Indian Soil, Fundamental of Soil Structure,
Clay Mineralogy
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2 Physical & Index properties of soil: Weight- Volume Relationships, Insitu Density, Moisture
Content, Specific Gravity, Relative Density, Atterberg’s Limits, Soil Indices, consistency of soil ,
Particle Size Distribution of soil: Sieving, Sedimentation Analysis
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3
Identification & Classification of soil: Field identification of soil, Soil Classification: as per Unified
Classification System, IS Code Recommendation, AASHTO Classification
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4
Flow through soil: Darcy’s Law, Coefficient of permeability, laboratory and field determination of
coefficient of permeability, Permeability for Stratified Deposits, Laplace’s Equations, Flow nets, Flow
Through Earthen Dam, Estimation of Seepage, Uplift due to seepage
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5
Effective Stress Principles: Effective Stress, Effective pressure due to different conditions, Seepage
force, Critical hydraulic gradient, Quick sand condition, Design of filters, Capillarity in soil
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6
Stress Distribution In Soil: Normal and shear stresses, Stress due to point loads, Stress beneath Line,
strip & uniformly loaded circular area & rectangular area, pressure bulbs, Newmark’s charts- Use for
determination of stress due to arbitrarily loaded areas b
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7
Compaction of soil: Principles of Compaction, IS Light & Heavy Compaction Test, Field Compaction,
Various methods of field compaction and control
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8
Compressibility & Consolidation of Soil: Terzaghi’s theory of one dimensional consolidation,
Compressibility characteristics of soils: Compression index, Coefficient of compressibility & volume
change, Coefficient of consolidation, Degree & rate of consolidation, Laboratory method of one
dimensional consolidation test, Determination of consolidation parameters, Secondary consolidation
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Shear Strength of Soil: Basic concepts, Mohr- Columb’s Theory, Laboratory Determination of soil
shear parameter- Direct Shear, Tri-axial Test, Unconfined Compression, Vane Shear Test, Sensitivity
& thixotropy of clay.
References:
1 Principles of Geotechnical Engineering
B. M. Das
Thomson Book Store
2 Text book of Soil Mechanics & Foundation
Engineering
V.N.S. Murthy
CBS Publisher’s &
Distributors
3 Geotechnical Engineering – Principles and Practice Coduto Pearson Education
4 Soil Mechanics Lambe & Whitman. WIE
5 Basic & Applied Soil Mechanics Gopal Ranjan &
A.S.R.Rao
Willes EasternLtd
6 SP 36 (Part I )
Numerical Problems – Geotechnical Engineering Rao & Venkatramaiah University Press