Improvement of Soil Stability Using Shredded Rubber Tyre
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Date
2020-09-22T09:54:15Z
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Abstract
A major problem associated with socioeconomic development of a country is waste disposal. Use of recycled waste materials for civil engineering applications can provide an attractive way to reduce the wastes to be disposed of and it may help in improving engineering properties of soil. Safer disposal of rubber tyre waste has become a challenging job. In this study a recycled waste product crumb rubber was used as an additive with black cotton soil to analyse the effect of additive on soil properties. Statically compacted soil specimens have been prepared at optimum moisture content and maximum dry density by adding 6%, 8%, 10%, 12%, 14%, 16% and 18% by weight of crumb rubber power to the parent soil. It has been observed that there is a decrease in maximum dry density (MDD) due to increase in percentage of crumb rubber power. Lower specific gravity of crumb rubber may have caused the decrement in MDD values. Also it was observed that due to increase in percentage of crumb rubber powder, unconfined compressive strength value of the soil increased.
California bearing ratio tests were carried out on soil and crumb rubber mix to study the effect of crumb rubber in strengthening the sub grade. Results have shown increase in CBR values. Therefore it is suggested that the waste crumbed tires can be safely used in the sub grade as a soil binder which will effectively hold the soil with increased strength values.
Using a non-traditional waste as a stabilizer not only affects engineering properties of soil positively, but it also helps in disposal of waste material.
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ANSONY KUMAR YADAV, PRIYA RANJAN, OWAIS NAZIR, AMAN GAUTAM, 1NH16CV126, 1NH16CV085, 1NH17CV411, 1NH16CV125