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
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
Questions and problems
Chapter-3 Index properties and classification tests
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
Chapter-4 Identification and classification of soils
Field identification of soils
Soil classification-the need
Engineering soil classification-desirable features
Classification systems more common ones
Chapter-5 Soil moisture-permeability and capillarity
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
Summary
Chapter-6 Seepage and flow nets
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:
Chapter-7 Compressibility and consolidation of soils
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
Chapter-8 Shearing strength of soils
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
Chapter-9 Stability of earth slopes
Infinite slopes
Finite slopes
Chapter-10. Stress distribution in soil
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
Chpater-11 Settlement analysis
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
Chapter-12 Compaction of soils
Compaction phenomenon
Compaction
Saturation live
Laboratory compaction tests
In-suits or field compaction
Compaction of sand
Compaction versus consolidation
Chapter-13 Lateral earth pressure and stability of retaining walls
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
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
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
Chapter-16 Pile foundations
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
Chapter-17 Soil stabilization
Classification of the methods of stabilization
Stabilization of soil with additives
California bearing ratio
Chapter-18 Soil exploration
Site investigation
Soil exploration
Soil sampling
Sounding and penetration tests
Indirect methods-geophysical methods
Chapter-19 Caissons and well foundations
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
Chapter-20 elements of soil dynamics and machine foundations
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