Syllabus

Module I: Soil Behavior (12 hours)
Soil as three phase system, Solids, Water and Air Relations, Index properties of soils, Soil consistency, Sensitivity and Thixotropy, Soil properties, Measurement of Soil Properties in Field and Laboratory, Field Identification of Soil, Soil classification - Particle, Textural, AASHTO, USCS and ISCS classification system, Application of soil classification system, Interparticle Forces, Clay minerals, Clay-Water Interaction, Diffuse Double Layer Theory, Soil structure and fabrics, Soil Compaction, Laboratory tests related to soil compaction, Factors affecting compaction, Structure and Engineering behaviour of compacted soils, Compaction specification and field control, Principle of effective stress, Permeability of soils, Laminar, Turbulent, Steady and Unsteady Flow, Darcy's Law, Poiseulli's Equation for flow through a capillary tube, Determinations of coefficient of permeability in the Laboratory and field, Types of Head, Seepage forces and quick sand conditions, Consolidation in Saturated Soils.

Module II: Unsaturated Soil Behavior and Geosynthetic Materials (6 hours)
Unsaturated soil concepts, Soil water-retention curves, Capillarity in soils, Effective Stress in Unsaturated Soils, Unsaturated flow of air and water, Advection and Diffusion, Steady State Seepage, Transient State Seepage, Geosynthetic materials, Types and Function of various Geosynthetics.

Module III: Liner systems and contaminant transport (6 hours)
Introduction to Geo-environmental Engineering: Review of waste containment, Types of waste and containment, Engineering properties of the waste, Regulatory Framework, Planning and design aspects relating to waste disposal in landfills, ash ponds, tailing ponds, and rocks, Types of liner systems, Role of advection, dispersion, and diffusion in contaminant transport through liners, Soil, and Geosynthetic drainage systems.

Module IV: Monitoring of Landfills (6 hours)
Landfill Monitoring: Failure modes in Landfills, Stability analysis in soils, Infinite and Finite Slopes, Stability analysis of landfills, Settlement of waste, Monitoring of cover systems, Environmental monitoring around landfills, Detection, control, and remediation of subsurface contamination.

Module V: Additional Aspects of Geo-Environmental Engineering (4 hours)
Beneficial reuse of waste materials, Bioreactors, Bioremediation, thermal treatment, and solidification

To make students aware of subsurface contamination and its sources.

To give the students a fundamental understanding of saturated and unsaturated soil mechanics concepts.

To teach students about geotechnical aspects of planning and designing facilities to dispose of different kinds of solid waste.

To teach students about the detection and monitoring of subsurface contamination and control & remediation of contaminated sites and about rehabilitating waste dumps and geotechnical reuse of waste.

CO1: Students will have a fundamental understanding of saturated soil mechanics concepts.
CO2: Students will have a fundamental understanding of unsaturated soil mechanics concepts.
CO3: Students will be able to give a preliminary idea about the planning for detecting and monitoring subsurface contamination.
CO4: Students can give a preliminary plan and design of the facilities to dispose of different kinds of solid waste.
CO5: Students will be able to learn about the rehabilitation of waste dumps and the geotechnical reuse of waste.

Daniel, D.E., Geotechnical Practice for Waste Disposal, Chapman and Hall, London

Sharma, H. and Reddy, K.R., Geoenvironmental Engineering: Site Remediation, Waste Containment, and Emerging Waste Management Technologies, Wiley

Lu, N. and Likos, W.J., Unsaturated Soil Mechanics, Wiley

Koerner, R.M., Designing with Geosynthetics, Prentice Hall, New Jersey