Unit 1 Introduction

• Historical background of reinforced soil
• Principles of reinforced soil through Mohr circle analysis

Unit 2 Different types of geosynthetics

4 lecture hours

• Types of geosynthetics like geotextiles
• their manufacturing methods

Unit 3 Testing methods for geosynthetics

5 lecture hours

• Techniques for testing of different index properties
• strength properties
• Apparent Opening Size
• In-plane and cross-plane permeability tests
• assessment of construction induced damage
• extrapolation of long term strength properties from short term tests

Unit 4 Reinforced Soil retaining walls

9 lecture hours

• Different types of walls like wrap-around walls
• full-height panel walls
• discrete-facing panel walls
• modular block walls Design methods as per BS-8006 and FHWA methods
• Construction methods for reinforced soil retaining walls

Unit 5 Reinforced soil slopes

7 lecture hours

• Basal reinforcement for construction on soft clay soils
• construction of steep slopes with reinforcement layers on competent soils
• Different slope stability analysis methods like planar wedge method
• bi-linear wedge method
• circular slip methods
• Erosion control on slopes using geosynthetics

Unit 6 Applications in foundations

4 lecture hours

• Binquet and Lee's approach for analysis of foundations with reinforcement layers

Unit 7 Drainage and filtration applications of geosynthetics

• 4 Different filtration requirements
• filtration in different types of soils and criteria for selection of geotextiles
• estimation of flow of water in retaining walls
• etc. and selection of geosynthetics

Unit 8 Pavement application

4 lecture hours

• Geosynthetics for separation and reinforcement in flexible pavements
• design by Giroud-Noiray approach
• reflection cracking and control using geosynthetics
• Use of geosynthetics for construction of heavy container yards and raiway lines

Unit 9 Construction of landfills using geosynthetics

3 lecture hours

• Different components of modern landfills
• collection techniques for leachate
• application of different geosynthetics like geonets
• geotextiles for drainage in landfills
• use of geomembranes and Geosynthetic Clay Liner (GCL) as barriers