Abstract
Expansive soil causes serious problems on civil engineering structures in arid and semi-arid climate regions of the world. Such soils, swell during rainy season and shrink in summer season. In India, expansive soil includes almost the entire Deccan plateau, and causes damage to buildings, roads, pipelines, and other structures every year. The black cotton soil had improved by various methods to enhance the engineering characteristics of soil. However, due to various issues such as leaching, release of mineral, these methods are not sustainable. Hence, an attempt had been made to improve black cotton soil characteristics by using the waste material such as banana fiber. In the present study, the experiments were conducted to understand the density & moisture content of soil by reinforcing the soil with randomly distributed banana fibers. The laboratory tests were conducted on locally available black cotton soil. The banana fiber were added to the soil in varying percentages of 0.0 %, 0.50 %, 1.00 %,1.5 % and2.00 % and in varying lengths of 1 cm,2cm and 3 cm randomly. The standard Proctor tests were conducted to study its effect of banana fiber on dry unit weight and OMC. It was observed that MDD is decreasing and OMC is increasing with increase in % of fibers and length of fiber.
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