NATIVE SOIL AS A PAVEMENT MATERIAL

In a newly developed country like India road network plays a major role in the overall economic development. The life and maintenance of roads mainly depend on the strength of the overall pavement crust, subgrade and traffic intensity. In India about 20% of the total area is covered by expansive soils. Because of the high swelling and shrinkage characteristics under varying water contents, these problematic soils are a major challenge for road construction. The main aim of this book is to give an insight on the use of problematic native soil stabilized with GGBS and lime as a subbase material in flexible pavement. Use of stabilized native soil as a subbase can significantly reduce the depletion of natural aggregate without compromising the service life of the pavement.