Stabilisation of Black Cotton Soil using Tanned Leather Waste Ash

Abstract

Black cotton soil is clayey soil which is very troublesome for construction purpose due to high swelling and shrinkage properties. It requires Stabilisation for its use in construction purposes. Tanned leather waste produced by tanneries contains heavy metals such as Chromium. These wastes are usually dumped in the areas near tanneries creating pollution. Heavy metals such as Chromium can help in stabilising Black cotton soil due to Black cotton soil’s cation exchange capacity. This can be a good solution to pollution caused by tanneries as tanned leather waste can be as a stabilising material for Black cotton soil.