Geotechnical Engineering Lesson Content

• COMPACTION:
  
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  Compaction and its Fundamentals
  
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  Moisture-Density relationship
  
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  Factors Affecting Compaction
  
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  Standard and Modified Proctor Tests
  
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  Compaction in the Field
  
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  Compaction Equipment & Machinery
  
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  Field Control and Measurements of In-Situ Density
  

Problems on the Compaction

• SOIL IMPROVEMENT
  
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  Introduction to Various Soil Improvement Techniques
  
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  Basic Principles and Objectives
  
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  Removal and Replacement of soil
  
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  Mechanical and Chemical Stabilization of Soil
  
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  In-situ Densification, Grouting
  
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  Pre-Loading and Vertical Drains
  
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  Soil Reinforcement
  
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  Applications of various Soil Improvement Techniques
  
• SHEAR STRENGTH
  
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  Concepts, Shear Strength Parameters
  
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  Shear Strength of Cohesive and Cohesion Less Soils
  
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  Mohr Columb’s Failure Criterion
  
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  Determination of Shear Strength Parameters in Laboratory
  
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  Direct Shear Box Test, Unconfined Compression Test
  
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  Vane Shear Test, Tri-axial Shear Test.
  
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  Merits and Demerits of Different Tests
  
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  Problems on Shear Strength of Soil
  
• EARTH PRESSURE
  
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  Earth Retaining Structures
  
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  Forces Acting on Earth Retaining Structure
  
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  Earth Pressure at Rest, Active and Passive Earth Pressures
  
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  Theories of Earth pressures for Non- Cohesive Soils
  
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  Theories of Earth pressures for Cohesive Soils
  
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  Earth Pressure Distribution Diagrams
  
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  Problems on Earth Pressure
  
• STRESSES IN SOIL MASS
  
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  Principal Problems due to External Stresses in Soil Mass
  
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  Boussinesq’s Theory and Its Assumptions
  
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  Boussinesq’s Equations for Computing Vertical Stresses Caused by Point Load, Line Load, Uniformly Loaded Strip & Rectangular Areas and Circular Areas
  
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  Stresses at a Point Outside the Loaded Area
  
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  Stress Isobar, Pressure distribution Diagrams on Horizontal and Vertical Planes
  
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  Equivalent Point Load Method, Newmark Influence Chart for Vertical Pressure, 2:1 Approximate Method
  

Problems on Stress Distribution

• STABILITY OF SLOPES
  
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  Types of Slopes, Slope Failures and Factor of Safety
  
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  Factors Affecting Stability and Remedial Measures
  
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  Stability of Infinite slopes, Stability Number
  
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  Stability Analysis of Finite Slopes: Taylor’s Chart, Friction Circle, Method of Slices.
  
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  Problems on Slope Stability
  

–Introduction to related software