India is a country of different types of soil, of which the black cotton soils (BC soil) are one of the major soil deposits. BC soils are seldom used to support buildings or pavements because of its complicated behaviour. Generally, BC soils have a very low bearing capacity and high swelling and shrinkage characteristics when it is saturated and because of its higher degree of compressibility resulting in settlements, and subsequently leading to failure. But due to the lack of space for the

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... ing population of our country make it necessary to build structures supported on BC soil. Hence in order to overcome this problem the alternate method to improve properties and characteristics of the BC soil practically was by stabilisation.