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SINGHANIA UNIVERSITY
SYLLABUS
OF
MASTER OF TECHNOLOGY
IN
GEOTECHNICAL ENGINEERING
ELIGIBILITY : B.E/ B.Tech. in Civil/ Geo Informatics/ Infrastructure Engg./ Structural Engg./ M.Sc. (Geology/ Applied Geology/ Geophysics with Maths background)
M.TECH - GEOTECHNICAL ENGINEERING
CURRICULUM
Subject Code Title
SEMESTER – I
THEORY
MA0503 Applied Mathematics
GT0501 Experimental Geomechanics
GT0503 Strength and Deformation Behaviour of Soils
GT0505 Shallow Foundations
EI Elective – I
SEMESTER – II
THEORY
GT0502 Geo Mechanics and Soil Behaviour
GT0504 Deep Foundations
GT0506 Ground Improvement
E2 Elective - II
E3 Elective - III
SEMESTER – III
THEORY
E4 Elective - IV
E5 Elective - V
E6 Elective - VI
PRACTICAL
GT0601 Project Work Phase - I
GT0603 Practical Training and Seminar (Practical 4 Weeks in Vacation after II Semester)
SEMESTER – IV
PRACTICAL
GT0602 Project Work Phase - II
LIST OF ELECTIVES
Subject
Code
Title
GT0701 DYNAMICS OF SOILS AND FOUNDATIONS
GT0702 PAVEMENT ENGINEERING
GT0703 REINFORCED SOIL STRUCTURES
GT0704 THEORETICAL SOIL MECHANICS
GT0705 EARTH PRESSURE AND EARTH RETAINING STRUCTURES
GT0706 EARTH AND ROCKFILL DAMS
GT0707 ROCK MECHANICS IN ENGINEERING PRACTICE
GT0708 FINITE ELEMENT METHOD AND APPLICATIONS
GT0709 SOIL STRUCTURE INTERACTION
GT0710 GEOTECHNICAL EARTHQUAKE ENGINEERING
GT0711 ENVIRONMENTAL GEOTECHNOLOGY
GT0712 GEOSYNHETICS IN CIVIL ENGINEERING
GT0713 FOUNDATION ON EXPANSIVE SOILS
GT0714 MECHANICS OF UNSATURATED SOILS
GT0715 REMOTE SENSING AND ITS APPLICATION IN GEOTECHNICAL
ENGINEERING
GT0716 MARINE FOUNDATIONS
SEMESTER – I
EXPERIMENTAL GEOMECHANICS
UNIT I GENERAL
Scopes and objectives of explorations – Planning a subsurface exploration – stages in sub surface
exploration – Explorations for preliminary and detailed design – spacing and depth of
exploration.
UNIT II OPEN EXCAVATION AND BORINGS OF EXPLORATION
Pits and Trenches – Drifts and Shafts – Methods of boring – Auger Borings – Wash Borings –
Rotary Drilling –Percussion Drilling – Core Drilling.
UNIT IIISOIL SAMPLES AND SAMPLERS
Types of soil samples – Disturbed samples –Undisturbed samples – Design Features affecting
the sample Disturbance –Split spoon samplers – Scraper Bucket Samplers –Shell by Tubes and
Thin walled Samplers – Piston Samplers – Denis Samplers – Preservation and handling of
samples.
UNIT IVIN-SITU TESTING
Field tests – Standard Penetration Tests – Cone Penetration Tests – In-situ Vane Shear Test–
Plate Load Test – monotonic and cyclic –Field Permeability Tests – In-situ Tests using Pressure
meter – Observation of Ground Water Table. - Instrumentation in soil engineering, strain gauges,
resistance and inductance type
UNIT V GEOPHYSICAL METHODS
Geophysical methods-types-Seismic Methods – Electrical Resistivity Methods – Electrical
Profiling Method –Electrical Sounding Method – seismic refraction method – Sub-soil
Investigation Report.
STRENGTH AND DEFORMATION
BEHAVIOUR OF SOILS
UNIT ISHEAR STRENGTH OF COHESION LESS SOILS
Shear strength of granular soils - Direct shear - Triaxial Testing- Drained and undrained Stress-
strain behaviour - Dilation, contraction and critical states - Liquefaction onsaturated sands.
Factors influencing stress-strain shear strength.
UNIT II SHEAR STRENGTH OF COHESIVE SOILS
Shear strength of clays - Stress-strain behaviour - Triaxial testing and stress path plotting - pore
pressure parameter of Skempton and Henkel - Total stress and effective stress approach - shear
strength of partially saturated clay in terms of stress state variables. Factors influencing stress-
strain shear strength.
UNIT III YIELD CRITERION
Concepts of yield and failure in soils- yield criteria of von Mises, Tresca and their extended
form, their applicability to soils - Detailed discussion of Mohr. - Coulomb failure criterion
UNIT IV STRESS - STRAIN LAWS FOR SOILS
Stress-strain laws for soils - hyperbolic law - Linear visco-elastic and Elasto -plastic laws - yield
functions, hardening law, flow rules and plastic strain computation - Rheological models of
Kelvin, Maxwell and Burger and Burger as applied to soils.
UNIT V CRITICAL STATE SOIL MECHANICS
Introduction to critical state soil mechanics - state boundary - surface- Roscoe and Hvorslev's - A
perspective only on mechanical behaviour of soils within the critical state framework.
SHALLOW FOUNDATIONS
UNIT I INTRODUCTION
Developments - need of Foundation Engineering - Responsibility of Foundation Engineer -
Classification - General requirements - Additional consideration - selection of type of foundation
- hostile environment - structural integrity - economy.
UNIT II BEARING CAPACITY ESTIMATIONS
Bearing capacity of shallow foundations - Homogeneous - Layered soils - Soft and Hard Rocks -
Evaluation of bearing capacity from insitu tests - partial safety factor approach codal -
Recommendations.
UNIT III SETTLEMENT EVALUATION
Settlement analysis-immediate-consolidation settlement-layered soil and rocks-construction
period correction-evaluation from insitu tests - code recommendations.
UNIT IV INTERACTIVE ANALYSIS OF FOUNDATIONS
Analysis of foundation - individual - strip - combined footings and mat foundations conventional
- elastic approach - soil structure interaction principles -Soil Structure Interaction problems-
contact pressure distribution-factors influencing contact pressure distribution beneath rigid and
flexible footings-concentrically and eccentrically loaded cases- Idealized soil behavior –
Foundation behavior, Interface behavior, Analytical techniques, Slope of soil – Foundation
interaction analysis
UNIT V FOUNDATION FOR SPECIAL CONDITIONS
Introduction to special foundations - Foundation design in relation to ground movements -
Foundation on recent refuse fills - Design of Foundation for seismic forces - Codal
recommendations - Introduction to theory of vibration - Design of Block foundation - Codal
recommendations.
APPLIED MATHEMATICS
1. ONE DIMENSIONAL WAVE AND HEAT EQUATIONS
Laplace transform methods for one-dimensional wave equation – Displacements in a long string
– longitudinal vibration of an elastic bar – Fourier transform methods for one-dimensional heat
conduction problems in infinite and semi-infinite rods.
2. ELLIPTIC EQUATION
Laplace equation – Properties of harmonic functions – Solution of Laplace’s equation by means
of Fourier transforms in a half plane, in an infinite strip and in a semi-infinite strip – Solution of
Poisson equation by Fourier transform method.
3. CALCULUS OF VARIATIONS
Concept of variation and its properties – Euler’s equation – Functional dependant on first and
higher order derivatives – Functionalsdependant on functions of several independent variables –
Variational problems with moving boundaries – Isoperimetric Problems – Direct methods – Ritz
and Kantorovich methods.
4. PROBABILITY AND RANDOM VARIABLES
Probability – Random Variables - Binomial, Poisson, Geometric, Uniform, Normal,
Exponential Distributions – Moments – Moments Generating Functions And Their Properties
– Function Of Random Variables.
5. ESTIMATION THEORY
Partial and Multiple correlations – Partial and Multiple regression – Estimation of parameters
using maximum likelihood estimator and method of moments
SEMESTER – II
GEOMECHANICS AND SOIL BEHAVIOUR
UNIT 1 SOIL DEPOSITS AND CLAY MINERALS
Introduction – formation of soils – various soil deposits and their engineering suitability –
Genesis of clay minerals – classification and identification – Anion and Cation exchange
capacity of clays – specific surface area – bonding in clays.
UNIT II PHYSICAL AND PHYSIO-CHEMICAL BEHAVIOUR OF SOILS
Physical and physio – chemical behaviour of soils –effect of ion concentration, ionic valency,
dielectric constant, temperature on double layer – stern layer – attractive and repulsive forces in
clays – soil structure – soil water – mechanism of soil – water interactions.
UNIT III SOIL FABRIC AND STRUCTURE
Soil fabric and structure-flocculated and dispersed structure-fabric measurements-different types
of fabric measurements-fabric stability and its relevance to engineering behavior of soils-volume
change behavior of soils-problems associated-factors influencing volume change-sensivity and
its causes.
UNIT IV COMPRESSIBILITY BEHAVIOUR
Compressibility –permeability behavior of soils and clays-mechanisms involved-liquefaction
potential-factors governing compressibility-shear strength and permeability of soils.
UNIT VCONDUCTION PHENOMENA AND PREDICTION OF SOIL BEHAVIOUR
Conduction in soils – coupled flows – electrical, chemical , hydraulic and thermal flows in soils
– consolidation by electro osmosis – effect of flows in stable and properties of soils – prediction
of engineering behaviour of soils – empirical correlations and their applicability.
DEEP FOUNDATIONS
UNIT I PILE CLASSIFICATIONS
Function – classification of piles – Factors governing choice of pile foundation – Load transfer
principles – piling equipments and methods – changes in soil condition during installation of
piles – requirement of code of practice – responsibility of engineer and contractor.
UNIT II AXIALLY LOADED PILES AND PILE GROUPS
Allowable load evaluation of piles and pile groups – Static method – cohesive – cohesion less
soil – time effects – Dynamic method – pile driving formulae –Wave equation application –
modeling – theoretical analysis – Interpretation of field test results and pile load test results –
Settlement of Piles and Pile groups.
UNIT III LATERAL AND UPLIFT LOAD EVALUATION
Piles subjected to Lateral loads – Broms method, elastic –p-y curve analyses – Batter piles –
response to moment – pile subjected to uplift loads – load –deformation behaviour – Lateral and
uplift load test data interpretation. Foundation on week compressible – collapsible soil – case
studies.
UNIT IV STRUCTURAL DESIGN OF PILE AND PILE GROUPS
Pile foundation – structural design – pile cap analysis, pile – raft system basic interactive
analysis – pile and pile groups subjected to vibrations – fundamental solutions.
UNIT V CAISSONS
Caissons types – Stability of caissons – principles of analysis and design, seismic influences -
IRC Guidelines.
GROUND IMPROVEMENT
UNIT I DEWATERING
Introduction - Scope and necessity of ground improvement in Geotechnical engineering- basic
concepts and philosophy. Drainage - Ground Water lowering by well points deep wells, vacuum
and electro-osmotic methods. Stabilization by thermal and freezing techniques.
UNIT II COMPACTION AND SAND DRAINS
Insitu compaction of granular and cohesive soils, Shallow and Deep compaction sand piles –
concept, design, factors influencing compaction Blasting and dynamic consolidation –
Preloading with sand drains, fabric drains, wick drains etc. – theories of sand drain – design and
relative merits.
UNIT III STONE COLUMN, LIME PILES AND SOIL NAILING
Stone column, lime piles – Functions – Methods of installation – design, estimation of load
carrying capacity and settlement-slope stability-stability of trenches-lime-sand columns-Root
piles, soil nailing – Applications.
UNIT IVEARTH REINFORCEMENT
Earth reinforcement – Principles and basis mechanism of reinforced earth-reinforced soil
retaining structures-simple design, Synthetic and natural fibre based Geotextiles and their
applications. Filtration, drainage, separation, erosion control – case studies.
UNIT V. GROUTING
Grouting techniques – Types of grout – Suspension and solution grouts – Basic requirements of
grout. Grouting equipment – principle of injection-injection methods – properties of treated
ground-application of jet grouting-grout monitoring – Electro – chemical stabilization –
Stabilization with cement, lime etc. – Stabilization of expansive clays.
ELECTIVES
DYNAMICS OF SOILS AND FOUNDATIONS
UNIT I THEORY OF VIBRATION
Introduction - Nature of dynamic loads - free vibrations of spring - mass systems - forced
vibrations - viscous damping - principles of vibrations measuring equipments
UNIT IIDETERMINATION OF DYNAMIC BEHAVIOUR
Dynamic stress - Deformation and strength of soils - Dynamics bearing capacity and earth
pressure - Effect of transient and pulsating loads - Resonant column apparatus - Field-test-
Typical values of soil constants.
UNIT III LIQUEFACTION
Liquefaction of soils - Factors influencing - Liquefaction potential - vibration table studies -
Field tests - Analysis - from standard penetration data.
UNIT IV DESIGN OF MACHINE FOUNDATION
Machine foundations - Design criteria - Degrees of freedom - Foundations for reciprocating
machines - Block foundation, Elastic half space theory - Lumped parameter analog model -
foundations for impact and miscellaneous machines - Frame foundations for high speed
machinery - Dynamic soil structure interaction.
UNIT V VIBRATION ISOLATION
Vibration Isolation - Passive and active isolation - use of springs and damping materials
construction aspects of machine foundations.
PAVEMENT ENGINEERING
UNIT I BASIC CONCEPTS
Pavements types – Approaches to pavement design – vehicle and traffic considerations –
behaviour of road materials under repeated loading – Stresses and deflections in layered systems.
UNIT II FLEXIBLE PAVEMENT
Material characterization for analytical pavement design – CBR and stabilometer tests –
Resilient modulus – Fatigue subsystem – failure criteria for bituminous pavements – IRC design
guidelines.
UNIT III RIGID PAVEMENT
Design procedures for rigid pavement – IRC guidelines – Airfield pavements. Highway
pavement – CRC pavements.
UNIT IV PAVEMENT EVALUATION AND REHABILITATION
Pavement evaluation and rehabilitation, condition and evaluation surveys – PSI models –
Serviceability index of rural roads – Overlay design, pavements maintenance management.
Pavement for sustainable development – Recycling of pavement.
UNIT V STABILIZATION OF SOILS FOR ROAD CONSTRUCTIONS
The need for a stabilized soil – Design criteria and choice of stabilizers – Testing and field
control – Stabilisation in India for rural roads – Use of geofabrics in unpaved road construction.
Case studies.
REINFORCED SOIL STRUCTURES
UNIT I PRINCIPLES AND MECHANISMS
Historical Background, Principles, Concepts and Mechanisms of reinforced earth.
UNIT II MATERIALS
Materials used in reinforced soil structures, fill materials, reinforcing materials metal strips,
Geotextile, Geogrids, Geomembranes, Geocomposites and Geojutes, Geofoam, Natural fibers -
facing elements
UNIT III DESIGN ASPECTS AND APPLICATION
Design aspects of reinforced earth. Design and applications of reinforced earth of various
structures, like retaining walls, foundations, pavements, embankments and slopes - drains - liners
for liquid containment.
UNIT IV DURABILITY OF REINFORCEMENT MATERIALS
Measurement of corrosion factors, resistivity - redox potential, water content, pH,
electrochemical corrosion, bacterial corrosion.
UNIT V CASE HISTORIES AND APPLICATIONS
Performance studies of reinforced dams, embankments, pavements, railroads, foundations and
underground structure - case studies.
THEORETICAL SOIL MECHANICS
UNIT I THEORY OF ELASTICITY
Introduction – Elasticity and stability problems, concept of stress and strain – plane stress, plane
strain and axisymmetric problems – equation of equilibrium and compatibility – stress functions.
UNIT II STRESSES AND DISPLACEMENTS (ELASTIC SOLUTIONS)
Stresses in elastic half-space medium by external loads – fundamental solutions –Boussinesq,
Flamant, Kelvin and Mindlin solution – Applications of fundamental solutions – Anisotropic
and non-homogeneous linear continuum – Influence charts - elastic displacement.
UNIT III LIMIT EQUILIBRIUM ANALYSIS
Limit equilibrium analysis – perfectly plastic material – stress – strain relationship –stress and
displacement field calculations – slip line solutions for undrainedand drained loading.
UNIT IV LIMIT ANALYSIS
Limit analysis – principles of virtual work – theorems of plastic collapse – Mechanism for plane
plastic collapse – Simple solutions for drained and undrained loading –stability of slopes, cuts
and retaining structures. Centrifuge model – Principles and scale effects, practical considerations
UNIT V FLOW THROUGH POROUS MEDIA
Flow through porous media – Darcy’s law – General equation of flow – steady state condition –
solution by flow net – fully saturated conditions.
EARTH PRESSURE AND EARTH RETAINING STRUCTURES
UNIT I EARTH PRESSURE THEORIES
Introduction – State of stress in retained soil mass – Earth pressure theories – Classical and
graphical techniques – Active and passive cases – Earth pressure due to external loads, empirical
methods. Wall movement and complex geometry.
UNIT II DRAINAGE AND STABILITY CONSIDERATIONS
Lateral pressure due to compaction, strain softening, wall flexibility, influence of drainage. Each
pressure due to earthquake forces – Stability of retaining structure.
UNIT III SHEET PILE WALLS
Retaining structure – Selection of soil parameters – Analysis and design of cantilever and
anchored sheet pile walls. Deadman and continuous anchor. Diaphragm and bored pile walls –
Design requirements.
UNIT IV SUPPORTED EXCAVATIONS
Lateral pressure on sheeting in braced excavation, stability against piping and bottom heaving.
Earth pressure around tunnel lining, shaft and silos.
UNIT V DESIGN OF REINFORCED EARTH RETAINING WALL
Reinforced earth retaining wall – principles, Concepts and mechanism of reinforced Earth –
Design consideration of reinforced earth – Materials used in reinforced earth - Geotextile –
Geogrids, Metal strips, facing elements.
EARTH AND ROCKFILL DAMS
UNIT IDESIGN CONSIDERATION
Design consideration, Factors influencing design, Types of earth and rockfill dams, Design
details, Provisions to control pore pressure.
UNIT II FAILURE AND DAMAGES
Failure and damages, Nature and importance of failures in embankment and foundation piping,
Differential settlement, Foundation slides, Earthquake damage creep and anisotropic effects,
Reservoir wave action, Dispersive piping
UNIT III SEEPAGE ANALYSIS
Seepage analysis, Flownets, Stability conditions during construction, Full reservoir and
drawdown.
UNIT IV STABILITY OF SLOPES
Introduction, Stability of infinite and finite slopes, Limit Equilibrium method, Wedge analysis,
Method of Slices, Bishop’s method, Janbu’s method etc. Special aspects of slope analysis,
stability charts.
UNIT V SPECIAL DESIGN PROBLEM
Special design problems, Slope protection, Filter design, Foundation treatment, Earth dams on
pervious soil foundation, Treatment of rock foundation, Construction Techniques, Quality
control and performance measurement, Applications of Geosynthetics in earth and rockfill dams.
ROCK MECHANICS IN ENGINEERING PRACTICE
UNIT I CLASSIFICATION OF ROCKS
Rocks of peninsular India and the Himalayas - Index properties and classification of rock
masses, competent and incompetent rock - value of RMR and ratings in field estimations.
UNIT II STRENGTH CRITERIA OF ROCKS
Behaviour of rock under hydrostatic compression and deviatric loading - Models of rock failure -
planes of weakness and joint characteristics - joint testing, Mohr - Coulomb failure criterion and
tension cut-off. Hook and Brown Strength criteria for rocks with discontinuity sets.
UNIT III DESIGN ASPECTS IN ROCKS
Insitu stresses and their measurements, flat jack-over-under coring methods - stress around
underground excavations - Design aspects of openings in rocks - case studies.
UNIT IV SLOPE STABILITY OF ROCKS
Rock slopes - role of discontinuities in slop failure, slope analysis and factor of safety - remedial
measures for critical slopes - case studies.
UNIT V REINFORCEMENT OF ROCKS
Reinforcement of fractured and joined rocks - shotcreting, bolting, installation methods - case
studies.
FINITE ELEMENT METHOD AND APPLICATIONS
UNIT I BASIC CONCEPTS
Basic concepts - Discretization of continuum, typical elements, the element characteristic matrix,
Element assembly and solution for unknowns - Applications.
UNIT II VARIATIONAL PRINCIPLES
Variational principles, variational formulation of boundary value problems, Variational methods
approximation such as Ritz and weighted residual (Galerkin) methods, Applications
UNIT III DISPLACEMENTS BASED ELEMENTS
Displacements based elements, finite elements for axial symmetry. One-dimensional problems
of stress, deformation and flow, Assembly, Convergence requirements, Finite elements analysis
of two-dimensional problems. The linear and quadratic triangle, Natural coordinates.
UNIT IV ISOPARAMETRIC FORMULATION
Application of FEM to Problems in soils and rocks, Introduction to non-linearity, Finite
difference method, Description and Description and application to consolidation, seepage,
Winkler foundation etc.,
UNIT VAPPLICATIONS IN GEOTECHNICAL ENGINEERING
Application of FEM to Problems in soils and rocks, Introduction to non-linearity, Finite
difference method, Description and application to consolidation, seepage, Winkler foundations
etc.,
SOIL STRUCTURE INTERACTION
UNIT I SOIL-FOUNDATION INTERACTION
Introduction to soil - Foundation interaction problems, Soil behaviour, Foundation behaviour,
Interface, behaviour, Scope of soil-foundation interaction analysis, soil response models,
Winkler, Elastic continuum, Two parameter elastic models, Elastic plastic behaviour, Time
dependent behaviour.
UNIT II BEAM ON ELASTIC FOUNDATION - SOIL MODELS
Infinite beam, Two parameters, Isotropic elastic half space, Analysis of beams of finite length,
Classification of finite beams in relation to their stiffness.
UNIT III PLATE ON ELASTIC MEDIUM
Infinite plate, Winkler, Two parameters, Isotropic elastic medium, Thin and thick plates,
Analysis of finite plates, rectangular and circular plates, Numerical analysis of finite plates,
simple solutions.
UNIT IV ELASTIC ANALYSIS OF PILE
Elastic analysis of single pile, Theoretical solutions for settlement and load distribution, Analysis
of pile group, Interaction analysis, Load distribution in groups with rigid cap.
UNIT V LATERALLY LOADED PILE
Load deflection prediction for laterally loaded piles, subgrade reaction and elastic analysis,
Interaction analysis, and pile raft system, solutions through influence charts.
GEOTECHNICAL EARTHQUAKE ENGINEERING
UNIT I ELEMENTS OF EARTHQUAKE SEISMOLOGY AND DYNAMICS
Theory of vibration - Basic Definition - Governing equation for single degree freedom system -
Forced vibrations - Rotating mass type excitation - Base excitation - Isolation vibration
measuring instruments. Mechanism of Earthquakes - Causes of earthquake - Earthquake Fault
sources - Elastic Rebound theory - Seismic wave in Earthquake shaking - Definition of
earthquake terms - Locating an earthquake - Quantification of earthquakes.
UNIT II GROUND MOTION CHARACTERISTICS
Strong Motion Records -characteristics of ground motion - Factors influencing ground motion -
Estimation of frequency content parameters - (Seismic site investigations - Evaluation of
Dynamic soil properties
UNIT III GROUND RESPONSE ANALYSIS - LOCAL SITE EFFECTS AND DESIGN
GROUND MOTION
Wave propagation Analysis - Site Amplification Need for Ground Response Analysis - Method
of analysis - One Dimensional Analysis - Equipment linear Analysis site effects - Design Ground
Motion - Developing Design Ground Motion.Application of software package Edushake -
Shake-91.
UNIT IV SEISMIC STABILITY ANALYSIS
Earthquake - Resistant Design of foundation of buildings - Design considerations - Geotechnical
- Architectural - Structures - Capacity Design - Seismic analysis. Earthquake Response of
slopes - Evaluation of slope stability - Pseudostatic Analysis - Newmark's Study of Block
Analysis - Dynamic Analysis - Earth pressure due to ground shaking Evaluation. Liquefaction-
Susceptibility-Evaluation Cyclic stress approach - Liquefaction Resistance - Laboratory and
Field Tests with interpretation - Lateral Deformation - Case Study.
UNIT V EARTHQUAKE HAZARD MITIGATION
Seismic risk vulnerability and hazard - Percept of risk - risk mapping - scale - hazard assessment
- Maintenance and modifications to improve hazard resistance - Different type of foundation and
its impact on safety - Ground Improvement Techniques.
ENVIRONMENTAL GEOTECHNOLOGY
UNIT I SOIL – POLLUTANT INTERACTION
Introduction to Geo environmental engineering – environmental cycle – sources, production and
classification of waste – causes of soil pollution – factors governing soil-pollutant interaction –
failures of foundations due to pollutants – case studies.
UNIT II SITE SELECTION AND SAFE DISPOSAL OF WASTE
Safe disposal of waste – site selection for land fills – characterization of land fill sites – waste
characterization – stability of land fills – current practice of waste disposal – passive containment
system – application of geo synthetics in solid waste management – rigid or flexible liners
UNIT III TRANSPORT OF CONTAMINANTS
Contaminant transport in sub surface – advection – diffusion – dispersion – governing equations
– contaminant transformation – sorption – biodegradation – ion exchange – precipitation –
hydrological consideration in land fill design – ground water pollution – bearing capacity of
compacted fills – foundation for waste fill ground – pollution of aquifers by mixing of liquid
waste – protecting aquifers.
UNIT IV WASTE STABILIZATION AND DISPOSAL
Hazardous waste control and storage system – stabilization/ solidification of wastes – micro and
macro encapsulation – absorption, adsorption, precipitation- detoxification – mechanism of
stabilization – organic and inorganic stabilization – utilization of solid waste for soil
improvement.
UNIT V REMEDIATION OF CONTAMINATED SOILS
Rational approach to evaluate and remediate contaminated sites – monitored natural attenuation
– exsitu and insitu remediation – solidification, bio – remediation, incineration, soil washing,
electro kinetics, soil heating, verification, bio venting – Ground water remediation – pump and
treat, air sparging, reactive well.
GEOSYNHETICS IN CIVIL ENGINEERING
UNIT I AN OVERVIEW
Historical Development – Types of Geosynthetics – Geotextiles – Geogrids- Geonets –
Geomembranes – Geocomposites – Functions – Reinforcement – Separation – Filtration –
Drainage – Barrier Functions.
UNIT II RAW MATERIALS AND MANUFACTURING METHODS
Methods – Polyamide – Polyster – Polyethylene – Polypropylene – Poly Vinyl Chloride –
Woven – Monofilament – Multifilament – Slit Filament – Non-Woven – Mechanically bonded-
Chemically bonded – Thermally bonded.
UNIT III PHYSICAL AND HYDRAULIC PROPERTIES
Physical properties : Mass per unit area – Thickness – Specific gravity; Hydraulic properties
:Apparent open size – Permittivity – Transmissivity.
UNIT IV MECHANICALLY PROPERTIES AND DURABILITY
Mechanical Properties : Uniaxial Tensile Strength – Burst and Puncture Strength – Soil
Geosynthetic friction tests; Durability : Abrasion resistance – Ultraviolet resistance.
UNIT V APPLICATIONS OF GEOSYNTHETICS
Use of geosynthetics for filtration and drainage – Use of geosynthetics in roads – Use of
renforced soil in Retaining walls – Improvement of bearing capacity – Geosynthetics in land
fills.
FOUNDATION ON EXPANSIVE SOILS
UNIT I GENERAL PRINCIPLES
Origin of expansive soils – Physical properties of expansive soils – Mineralogical composition –
Identification of expansive soils – Field conditions that favour swelling – Consequences of
swelling.
UNIT II SWELLING CHARACTERISTICS
Swelling characteristics – Laboratory tests – Prediction of swelling characteristics – Evaluation
of heave.
UNIT III TECHNIQUES FOR CONTROLLING SWELLING
Horizontal moisture barriers – Vertical moisture barriers – Surface and subsurface drainage –
Prewetting – Soil replacement – Sand cushion techniques – CNS layer technique.
UNIT IV FOUNDATIONS ON EXPANSIVE SOILS
Belled piers – Bearing capacity and skin friction –Advantages and disadvantages – Design of
belled piers – Underreamed piles – Design and construction.
UNIT V MODIFICATION OF SWELLING CHARACTERISTICS
Lime stabilization – Mechainsms – Limitations – Lime injection – Lime columns – Mixing –
Chemical stabilization – Construction.
MECHANICS OF UNSATURATED SOILS
UNIT I STATE OF UNSATURATED SOIL
Definition – Interdisciplinary nature of unsaturated soil – soil classification – Natureand practice
– stress profiles, stress state variables - material variables –constitutive law – suction potential of
soil water
UNIT II PHYSICS OF SOIL WATER SYSTEM
Physical properties of Air and water – partial pressure and relative Humidity Densityof moist air
– surface Tension – cavitations of water. Solubility of Air in water – Air –water solid interface –
vapor pressure lowering – soil water characteristic-curve.Capillary tube model – contacting
sphere model.Young Laplace equation – Heightof capillary rise – Rate of capillary rise –
capillary pore size distribution – theoreticalbasis – determination – laboratory method.
UNIT III STRESS STATE VARIABLES AND SHEAR STRENGTH
Effective-stress – stress between two spherical particles – Hysteresis in SWCC –stress
parameter, stress tensor – stress control by Axis Translation – analyticalrepresentation of stress –
volume change characteristics. Extended Mohr – Coulombcriterion – shear strength parameters –
Interpretation of Direct shear test results andTri axial test results – unified representation of
failure envelope – Influence of suctionin earth pressure distribution.
UNIT IV STEADY AND TRANSIENT FLOWS
Driving mechanism – Permeability and Hydraulic conductivity – capillary barriers –steady
infiltration and evaporation – Vapor flow – Air diffusion in water. Principles forpore liquid flow
– Rate of infiltration, Transient suction and moisture profiles.Principles for Pore Gas flow –
Barometric pumping Analysis.
UNIT V MATERIAL VARIABLE MEASUREMENT AND MODELLING
Measurement of total suction – psychrometers – Filter paper measurement of matricsuction –
High Air Entry disks – Direct measurements – Tensiometers – Airtranslationtechnique – Indirect
measurements – Thermal conductivity sensors –measurement of osmotic suction – squeezing
technique – soil water characteristiccurves and Hydraulic conductivity models.
REMOTE SENSING AND ITS APPLICATION IN GEOTECHNICAL ENGINEERING
UNIT – I
Definitions and introduction to remote sensing, components of remote sensing system, active and
passive remote sensing, electromagnetic radiations and their interactions with the earth features
and atmosphere.Spectral windows and spectral signatures and their significance in remote
sensing. Radiometric quantities used in the collection of spectral signatures. Remote sensing
satellite orbits, image acquisition process, repeativity, row/path and ground swath and coverage.
UNIT – II
Various remote sensing platforms like ground based, air borne and satellite based. Passive and
active remote sensors: Return Beam Videocon (RBV), Multi-Spectral Scanners (MSS), Thematic
Mapper (TM), push broom scanners, Linear Imaging Self Scanner (LISS), thermal infrared
scanning systems, radiometers, Radar, Lidar and SAR. Spectral and spatial resolution of various
remote sensors with special relevance to Indian Remote Sensing satellites. Different types of
remotely sensed data products.
UNIT – III
Geometry, radiometry and pre-processing of remotely sensed imagery. Ground truth collection
and geo-referencing of imagery.Characteristics of photographic images.Colour, tone and texture,
photo-imterpretation keys, techniques of photo-interpretation.Digital image classification
techniques and extraction of thematic information.
UNIT – IV
Global Positioning System (GPS) : Introduction & components of GPS, Space segment, control
segement and user segment, Elements of Satellite based Surveys – Map datums, GPS receivers,
GPS observation methods and their advantages over conventional methods. Geographic
Information System (GIS)- Definition of GIS, Geographical concepts and terminology,
Components of GIS, Data acquisition, Raster and vector formats, scanners and digitizers.
Advantages of GPS and GIS in the storage thematic information extracted from remotely sensed
images.
UNIT – V
Role of remote sensing and GIS in terrain investigation and advantages over conventional
mapping techniques.Extraction of topographic information from remotely sensed data and
generation of digital terrain model from stereo pairs of images. Resource mapping for
engineering project : selection of sites for construction materials, water resources, soil, buildings,
railways and highways etc. using remotely sensed data. Geological mapping for the geotechnical
investigations of soil strata.Monitoring of areas prone to landslides using remote sensing, digital
model and GIS. Application of visible, infra-red and microwave remote sensing for the
identification of soil types, grain size and moisture studies.
MARINE FOUNDATIONS
UNIT I MARINE SOILS
Origin, nature and distribution of marine soils – their engineering properties – sampling and
sample disturbance – in-situ testing.
UNIT II OFFSHORE PLATFORMS
Introduction of fixed and floating platforms – steel, concrete and hybrid platforms.
UNIT III DESIGN CRITERIA
Environmental loading – wind, wave and current loads after installation.
UNIT IV SHALLOW FOUNDATIONS
Site investigation – types of shallow foundation for structures on sea bed – Bearing capacity –
effect of eccentric and inclined loads – construction
UNIT V DEEP FOUNDATIONS AND ANCHORS
Pile foundation – Axial capacity – Lateral capacity – deflections – constructions – anchored
foundations.