Impact resistance of concrete – using slit rubber from tyres

Coventry, Kathryn, Richardson, Alan and Diaz, Eli (2015) Impact resistance of concrete – using slit rubber from tyres. In: Euro-Elecs-2015: Latin American and European Conference on Sustainable Buildings and Communities, 21-23 July 2015, Guimaraes.

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Abstract

This paper examines recycled tyre rubber, which was machine cut into slits and these were added to Portland cement concrete mixes in different percentages, based on specimen volume. They were then tested to determine the impact performance of each mix in comparison to a plain non-rubberised mix.
The results indicated that concrete samples containing recycled rubber, exhibited a loss in compressive strength when compared to the plain concrete mix, however, the rubber modified samples were shown to outperform the plain mix in most areas when tested for impact performance. This rubber slit product may prove beneficial in providing enhanced energy absorption of concrete and has many practical applications ranging from the construction of motorway barriers, airport runways, precast concrete blast barriers and rail system infrastructure.

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