Application of Industrial Waste Iron Sludge for Subgrade Soil Stabilization-A Case Study of Bagodara-Dhandhuka Highway, Gujrat.

Abstract

xpansive soil have tremendous strength but it become very soft when it getting wet, it expands/swell due
to its mineralogical composition during its wet condition. It creates cracks or consolidated when it is dry. The
stability and performance of the pavements are greatly influenced by the sub grade and embankment as they serve as
foundations for pavements. Expansive soils can be found on almost all the continents on the Earth. Destructive results
caused by this type of soils have been reported in many countries. In India, large tracts are covered by expansive soils
known as black cotton soils. These soils cover an area of about 200,000 square miles and thus form about 20% of the
total area of India.
Expansion influences pavement failure due to failure in sub grade so it is required to detail study on stabilization of black
cotton soil. Different techniques using different material is available for black cotton soil. Here with attempt is made to
suggest suited material or technique required after test results of virgin soil and data collection. The Aim of this paper
is to Stabilize Expansive soil of Sub Grade and to improve its properties using Industrial Waste materials.