Sarvade, Purushotham G and Shetty, Prashanth (2012) “Perfomence charecteristics of problem clay blended With crumb rubber powder”. In: National Conference on “Contemporary Civil Engineering Research and Practices, April 20-21 2012, MIT Maniapl University, Manipal.

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Abstract

Many soils can prove problematic in geotechnical engineering, because they expand, disperse, collapse, undergo excessive settlement etc. Such characteristics may be due to their composition, nature of their pore fluids, their mineralogy or their fabric. In such cases, the properties of the soil have to be improved by some means. Chemical admixture stabilization has been extensively used all over the world in order to improve the inherent properties of the soil. In the present investigation, attempts are made to formulate criteria for evaluation of problem clay used in the tile industry from Kundapur Taluk of Udupi District. It is proposed to study the effect of Crumb Rubber Powder (CRP), a waste from tyre industry, on strength of problem clay during stabilization. The main objective of the investigation is to evaluate optimum CRP content for stabilization of the clay from the view point of plasticity, permeability and strength characteristics. The investigation revealed that the additive altered the engineering properties of problem clay when blended with CRP and 5% CRP has been chosen as the optimum CRP to get desired properties.

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