Sl. No.

Topic

No. of
Hours

1

Introduction:

Historical background of reinforced soil, Principles of reinforced soil through Mohr circle analysis.

2

2

Different types of geosynthetics:

Types of geosynthetics like geotextiles, geogrids, geonets, geocells, geo-composites, their manufacturing methods.

4

3

Testing methods for geosynthetics:

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.

5

4

Reinforced Soil retaining walls:

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.

9

5

Reinforced soil slopes:

Basal reinforcement for construction on soft clay soils, construction of steep slopes with reinforcement layers on comptenet soils, Different slope stability analysis methods like planar wedge method, bi-linear wedge method, circular slip methods.

Erosion control on slopes using geosynthetics.

7

6

Applications in foundations:

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

4

7

Drainage and filtration applications of geosynthetics:

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

3

8

Pavement application:

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.

4

9

Construction of landfills using geosynthetics:

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.

2