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GEOTECHNICAL ENGG.
Chapter-1 Soil and soil mechanics
Introduction
Development of soil mechanics
Fields of application of soil mechanics
Soil formation
Residual and transported soils
Some commonly used soil designations
Structure of soils
Texture of soils
Major soil deposits of India
Summary of main points
References
Questions
Chapter-2 Composition of soil-terminology and definitions
Composition of soils
Basic terminology
Certain important relationships
Illustrative examples
Summary of main points
References
Questions and problems
Chapter-3 Index properties and classification tests
Introduction
Soil colour
Particle shape
Specific gravity of soil solids
Water content
Density index
In-situ unit weight
Particle size distribution (mechanical analysis)
Consistency of clay soils
Activity of clays
Illustrative examples
Summary of main points
References
Questions and problems
Chapter-4 Identification and classification of soils
Introduction
Field identification of soils
Soil classification-the need
Engineering soil classification-desirable features
Classification systems more common ones
Illustrative examples
Summary of main points
References
Questions and problems
Chapter-5 Soil moisture-permeability and capillarity
Introduction
Soil moisture-modes of occurrence
Neutral and effective pressures
Flow of water through soil-permeability
Determination of permeability
Factors affecting permeability
Values of permeability
Permeability of layered soils
Capability
Illustrative examples
Summary
Chapter-6 Seepage and flow nets
Introduction
Flownet for one-dimensional flow
Basic equation for seepage
Seepage through no homogeneous and anisotropic soil
Top flow line in an earth dam
Radial flow nets
Methods of obtaining flow nets
Quick sand
Seepage forces
Effective stress in a soil mass under seepage
Illustrative problems:
Summary of main points
References
Questions and problems
Chapter-7 Compressibility and consolidation of soils
Introduction
Compressibility of soils
A mechanistic model for consolidation
Terzaghi’s theory of one-dimensional consolidation
Solution of terzaght’s equation for one-dimensional consolidation
Graphical presentation of consolidation relationships
Evaluation of coefficient of consolidation from ocdometer test data
Secondary consolidation
Illustrative examples
Summary of main points
References
Questions and problems
Chapter-8 Shearing strength of soils
Introduction
Friction
Principle planes and principal stresses-mohr’s circle
Strength theories for soils
Shearing strength-a function of effective stress
Hvorslev’s true shear parameters
Types of shear tests based on drainage conditions
Shearing strength tests
Pore pressure parameters
Shearing characteristics of sands
Shearing characteristics of clays
Illustrative examples
Summary of main points
References
Questions and problems
Chapter-9 Stability of earth slopes
Introduction
Infinite slopes
Finite slopes
Illustrative examples
Summary of main points
References
Questions and problems
Chapter-10. Stress distribution in soil
Introduction
Point load
Line load
Strip load
Uniform load on circular area
Uniform load on rectangular area
Uniform load on irregular areas-new mark’s chart
Approximate methods
Illustrative examples
Summary of main points
References
Questions and problems
Chpater-11 Settlement analysis
Introduction
Data for settlement analysis
Settlement
Corrections to computed settlement
Further factors affecting settlement
Other factors pertinent to settlement
Settlement records
Contact pressure and active zone from pressure bulb concept
Illustrative examples
Summary of main points
References
Questions and problems
Chapter-12 Compaction of soils
Introduction
Compaction phenomenon
Compaction
Saturation live
Laboratory compaction tests
In-suits or field compaction
Compaction of sand
Compaction versus consolidation
Illustrative examples
Summary of main points
References
Questions and problems
Chapter-13 Lateral earth pressure and stability of retaining walls
Introduction
Types of earth-retaining structures
Lateral earth pressures
Earth pressure at rest
Earth pressure theories
Rankine’s theory
Coulomb’s wedge theory
Stability considerations for retaining walls
Illustrative examples
Summary of main points
References
Questions and problems
Chapter-14 Bearing capacity
Introduction and definitions
Bearing capacity
Methods of determining bearing capacity
Bearing capacity from building codes
Analytical methods of determining bearing capacity
Effects of water table on bearing capacity
Safe bearing capacity
Foundation settlements
Plate load tests
Bearing capacity from penetration tests
Bearing capacity from model tests-housel’s approach
Bearing capacity from laboratory tests
Bearing capacity of sands
Bearing capacity of clays
Recommended practice
Illustrative examples
Summary of main points
References
Questions and problems
Chapter-15 Shallow foundations
Introduction concepts on foundations
General types of foundations
Choice of foundation type and preliminary selection
Spread footing
Strap footing
Combined footing
Raft foundations
Foundations on non-uniform soils
Illustrative examples
Summary of main points
References
Questions and problems
Chapter-16 Pile foundations
Introduction
Classification of piles
Use of piles
Pile driving
Pile capacity
Pile groups
Settlement of piles and pile groups
Laterally loaded piles
Batter piles
Design of pile foundations
Construction of pile foundations
Illustrative examples
Summary of main points
References
Questions and problems
Chapter-17 Soil stabilization
Introduction
Classification of the methods of stabilization
Stabilization of soil with additives
California bearing ratio
Illustrative examples
Summary of main points
References
Questions and problems
Chapter-18 Soil exploration
Introduction
Site investigation
Soil exploration
Soil sampling
Sounding and penetration tests
Indirect methods-geophysical methods
Illustrative examples
Summary of main points
References
Questions and problems
Chapter-19 Caissons and well foundations
Introduction
Design aspects of caissons
Open caissons
Pneumatic caissons
Floating caissons
Construction aspects of caissons
Illustrative examples on caissons
Well foundations
Design aspects of well foundations
Lateral stability of well foundations
Construction aspects of well foundations
Illustrative examples on well foundations
Summary of main point
References
Questions and problems
Chapter-20 elements of soil dynamics and machine foundations
Introduction