Geotechnical Engineering

1. Introduction to Geotechnical Engineering

• Definition and scope of geotechnical engineering
• Importance in civil engineering projects
• Roles and responsibilities of geotechnical engineers
• Overview of soil mechanics principles applied in design

2. Soil Properties and Classification

• Types of soils: coarse-grained, fine-grained, organic
• Physical properties: texture, structure, moisture content, density
• Mechanical properties: shear strength, compressibility, permeability
• Soil classification systems: Unified Soil Classification System (USCS), AASHTO
• Influence of soil properties on engineering behavior

3. Soil Mechanics Principles

• Stress distribution in soils: effective stress concept, stress paths
• Consolidation theory: primary and secondary consolidation, settlement analysis
• Shear strength of soils: Mohr-Coulomb failure criterion, factors affecting shear strength
• Soil compaction: methods, effects on soil behavior
• Permeability and seepage: Darcy’s law, flow nets

4. Foundation Engineering

• Types of foundations: shallow (spread footings, mat foundations), deep (piles, drilled shafts)
• Site investigation and soil bearing capacity
• Design considerations for foundations under various loads
• Methods for analyzing foundation stability and settlement
• Case studies of foundation failures and lessons learned

5. Slope Stability Analysis

• Factors influencing slope stability: soil properties, slope geometry, water content
• Methods of slope stability analysis: limit equilibrium methods, factor of safety
• Types of slope failures: slides, flows, falls
• Stabilization techniques: reinforcement, drainage, retaining structures

6. Earth Retaining Structures

• Types of earth retaining structures: gravity walls, cantilever walls, anchored walls, sheet piles
• Design principles: lateral earth pressure theories, stability checks
• Analysis of retaining wall performance under different loading conditions
• Construction considerations and common failure modes

7. Ground Improvement Techniques

• Objectives and necessity of ground improvement
• Compaction methods and equipment
• Soil stabilization: chemical, mechanical, thermal methods
• Grouting techniques: permeation, compaction, jet grouting
• Soil reinforcement: geosynthetics, inclusion methods

8. Geotechnical Investigation and Site Characterization

• Planning and execution of geotechnical site investigations
• Field exploration methods: boreholes, test pits, in-situ testing (SPT, CPT)
• Laboratory testing of soil samples
• Interpretation of data: soil profiles, groundwater conditions
• Reporting and documentation for design purposes

9. Environmental Geotechnics

• Interaction between geotechnical engineering and the environment
• Waste disposal considerations: landfills, containment systems
• Soil contamination and remediation techniques
• Sustainable practices in geotechnical design and construction
• Emerging trends and regulations in environmental geotechnics