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Environmental Geomechanics

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1292 min

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Why enroll

This course is highly valuable for civil, geotechnical, and environmental engineers involved in sustainable infrastructure development and environmental protection. It equips learners with the ability to assess geotechnical risks associated with landfills, waste repositories, contaminated sites, and climate-induced ground changes. The course also provides a strong foundation for advanced research and professional practice in environmental geotechnics, sustainability, and geo-environmental engineering.

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5+ yrs experience·India

Is this course for you?

You should take this if

You work in Oil & Gas Upstream or Agriculture
You're a Geoscience / Civil & Structural professional
You have 3+ years of hands-on experience in this field
You prefer self-paced learning you can revisit

You should skip if

You're new to this field with no prior experience
You need a different specialisation outside Geoscience
You need live interaction with an instructor

Course details

The Environmental Geomechanics course provides a comprehensive understanding of the behavior of soils and rocks when subjected to environmental, chemical, hydraulic, and thermal influences. The course bridges traditional geotechnical engineering with environmental engineering, focusing on how geomaterials respond to changes caused by waste disposal, contamination, climate effects, and human activities.

The course examines the coupled processes governing soil and rock behavior, including hydro-mechanical, chemo-mechanical, thermo-mechanical, and bio-mechanical interactions. Learners study how moisture migration, pore water pressure variations, chemical reactions, and temperature changes affect strength, compressibility, permeability, and deformation characteristics of geomaterials. Special attention is given to unsaturated soil mechanics, contaminant transport mechanisms, and time-dependent behavior of soils under environmental loading.

The course also addresses practical engineering applications such as landfill liner systems, barriers for hazardous waste containment, geo-environmental site assessment, remediation of contaminated soils, and stability of waste dumps and tailings dams. Emphasis is placed on sustainable geotechnical solutions, risk assessment, and performance monitoring of geo-environmental systems.

By the end of the course, learners develop the ability to analyze complex environmental geomechanics problems, interpret field and laboratory data, and design geotechnical systems that protect both infrastructure and the environment.

SOURCE=youtube[NPTEL IIT Bombay]

Course suitable for

Key topics covered

Fundamentals of environmental geomechanics
Soil–water–air interaction in geomaterials
Coupled hydro-mechanical behavior of soils
Chemo-mechanical effects on soil and rock behavior
Contaminant transport and soil permeability
Geomechanics of landfills and waste containment systems
Behavior of geomaterials under thermal effects
Ground deformation due to environmental loading
Stability of contaminated and reclaimed sites
Sustainable geotechnical design and risk assessment

Course content

The course is readily available, allowing learners to start and complete it at their own pace.

56 lectures21 hr 32 min

Lecture 1: Introduction- I
17 min
Lecture 2: Introduction- II
15 min
Lecture 3: Overview
28 min
Lecture 4: Civil Engineering and Soil Mechanics
21 min
Lecture 5: Soil mechanics
23 min
Lecture 6: Environmental Geomechanics
24 min
Lecture 7: Scope of Environmental Geomechanics- I
25 min
Lecture 8: Scope of Environmental Geomechanics- II
22 min
Lecture 9: Scope of Environmental Geomechanics- III
15 min
Lecture 10: Recent trends-I
29 min
Lecture 11: Recent trends-II
29 min
Lecture 12: Energy Geotechnics
53 min
Lecture 13: Soil: A living entity
21 min
Lecture 14: Soil- water- environment interaction- I
26 min
Lecture 15: Soil- water- environment interaction- II
27 min
Lecture 16: Soil- water- environment interaction- III
21 min
Lecture 17: Particle energy field theory- I
16 min
Lecture 18: Particle energy field theory- II
28 min
Lecture 19: Particle energy field theory- III
25 min
Lecture 20: Waste: A manmade resource-I
18 min
Lecture 21: Waste: A manmade resource-II
26 min
Lecture 22: Waste: A manmade resource-III
30 min
Lecture 23: Application of industrial by-products- I
19 min
Lecture 24: Application of industrial by-products- II
35 min
Lecture 25: Geomaterial characterization-I (Mineralogical characterization)
27 min
Lecture 26: Geomaterial characterization-II (Mineralogical characterization)
22 min
Lecture 27: Geomaterial characterization-III (Morphological characterization)
14 min
Lecture 28: Geomaterial characterization-IV (Morphological characterization)
21 min
Lecture 29: Geomaterial characterization-V (Specific surface area)
20 min
Lecture 30: Geomaterial characterization- VI (Chemical characterization)
23 min
Lecture 31: Geomaterial characterization- VII (Chemical characterization)
20 min
Lecture 32: Geomaterial characterization- VIII (Chemical characterization)
23 min
Lecture 33: Geomaterial characterization- IX (Chemical characterization)
18 min
Lecture 34: Geomaterial characterization- X (Chemical characterization)
17 min
Lecture 35: Geomaterial characterization- XI (Chemical characterization)
30 min
Lecture 36: Geomaterial characterization- XII (Corrosion potential of soils)
15 min
Lecture 37: Soil characteristics & environmental variables
16 min
Lecture 38: Corrosion potential of soils
22 min
Lecture 39: Contaminant transport through porous media- I
24 min
Lecture 40: Contaminant transport through porous media- II
28 min
Lecture 41: Contaminant transport through porous media- III
24 min
Lecture 42: Sorption – desorption characteristics- I
24 min
Lecture 43: Sorption – desorption - II
21 min
Lecture 44: Sorption – desorptioncharacteristics- III
25 min
Lecture 45: Thermal characterization- I
25 min
Lecture 46: Thermal characterization- II
25 min
Lecture 47: Thermal characterization- III
14 min
Lecture 48: Cracking characteristics of fine-grained soils- I
25 min
Lecture 49: Cracking characteristics of fine-grained soils- II
19 min
Lecture 50: Cracking characteristics of fine-grained soils- III
18 min
Lecture 51: Electrical characterization- I
23 min
Lecture 52: Electrical characterization- II
22 min
Lecture 53: Electrical characterization- III
22 min
Lecture 54: Magnetic characterization
27 min
Lecture 55: Pore-structure characterization- I
24 min
Lecture 56: Pore-structure characterization- II
21 min

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Questions and Answers

Q: You're checking a slope stability calc during an environmental remediation review and you search: "calculate factor of safety for landfill slope with rising groundwater". A compacted clay liner slope is 3H:1V, unit weight 19 kN/m³, effective cohesion 12 kPa, effective friction angle 22°. Groundwater has risen to the surface. Using an infinite slope model, what’s the factor of safety against sliding?

A: That’s the most common mistake — mixing effective strength with dry or partially saturated stress assumptions. Once groundwater is at the surface, the normal stress on the potential plane drops hard due to pore pressure, and the infinite slope equation reflects that directly. When you run it with γ_sat and u = γ_w z, the margin evaporates fast. The other answers quietly assume drainage or a lower phreatic surface, which you don’t have during a rise event.

Q: During offshore cuttings re-injection planning, you google: "excessive seabed settlement around injection well environmental geomechanics". Instrumentation shows rapid initial settlement, then a long tail of slow deformation, with no increase in pore pressure at depth. What’s the most likely root cause?

A: That’s the trap — blaming consolidation when pore pressure data says otherwise. If excess pore pressure isn’t building, primary consolidation isn’t running the show. The pattern of fast elastic strain followed by slow, log-time deformation points straight at creep in soft, organic sediments. Shear failure or well integrity issues would show step changes or pressure response you’re not seeing.

Q: You're on shift and search: "what happens to contaminant plume when groundwater gradient increases". A remediation site sees a sudden increase in hydraulic gradient after heavy rain. What’s the correct interpretation and response?

A: That’s where instinct misleads people — rain feels like dilution, but Darcy doesn’t care about feelings. Higher gradient means higher seepage velocity if K is unchanged, and plumes outrun under-sized systems. Shutting down or waiting for sorption just hands the contaminant a head start.

Q: For a coastal waste containment project you type: "best cutoff wall for saline groundwater environmental geomechanics". The wall must limit contaminant migration, tolerate saline conditions, and be constructed from a barge. What’s the best choice?

A: That’s the subtlety people miss — bentonite swells poorly in saline water, so soil-bentonite loses cutoff performance offshore. Cement-bentonite, if designed for chemical attack, holds permeability and constructability from marine plant. Sheet piles leak at interlocks, and lime columns don’t give you a hydraulic barrier.