Expansive Soil Stabilization by Using Walnut Shell Powder Ash
Keywords:
Walnut Shell Powder Ash, soil Property, Waste utilizationAbstract
Black cotton soil is basically an expansive soil which is susceptible to high change in volume as water content fluctuate vary irregularly. The bearing capacity of black cotton soil is too low. High shrinkage and swelling exists. Montmorillonite mineral is found in these type of soil. This variant of soil is frail and need to be improve for construction and foundation work. To improve the SBC of soil by using waste admixtures can add to intensify the index properties of an ungraded soil mostly in an economic way. Percentage of additives to the soil is taken and hence the improvement of soil is observed gradually with increase in percentage of additives. Composition of Walnut shell powder ash is SO3 (2.2%), P2O5 (6.2%), SIO2 (9.9%), Fe2O3 (1.5%), AL2O3 (2.4%), CaO (16.6%), MgO (13.4%), Na2O (1%), K2O (32.9%), TiO2 (0.1%) are acceptable for improvement of expansive soil. To compute index properties of soil tests are to be conduct.
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