DBPapers
DOI: 10.5593/SGEM2014/B42/S18.034

USING RECYCLED COMPONENTS FROM POST-CONSUMER TYRES IN CONSTRUCTION MATERIALS INDUSTRY

N. Taranu, R. Andrei, L. Dumitrescu, S. G.Maxineasa
Wednesday 1 October 2014 by Libadmin2014

References: 14th International Multidisciplinary Scientific GeoConference SGEM 2014, www.sgem.org, SGEM2014 Conference Proceedings, ISBN 978-619-7105-16-2 / ISSN 1314-2704, June 19-25, 2014, Book 4, Vol. 2, 259-264 pp

ABSTRACT
The post-consumer tyres represent an important environmental concern, due to their
enormous quantities resulted every year, which require important landfill spaces for
disposal. To reduce this pressure on the environment, construction materials industry
aims to find new products and applications, which can benefit from the useful
proprieties of the main components of tyres (rubber, steel, and textiles). The first
component which has been valorized is the recycled rubber extracted from tyres, used at present in various products like rubberized asphalt, roofing, traffic safety, playground surfacing, etc. Besides rubber, the current research activity is also referring to the recycling of steel and textile fibres. An extended research program was undertaken at the “Gheorghe Asachi” Technical University of Iasi, concerning the use of the recycled steel tyre-cord fibres as reinforcement in conventional concrete and roller-compacted concrete for transport pavements. The different pavement alternatives have been tested using the accelerated loading test facilities at the Civil Engineering Faculty of Iasi. The environmental performances of these alternative pavements solutions were also evaluated by life-cycle analysis, using the GaBi software. The paper presents the main results obtained in these studies.

Keywords: post-consumer tyres, recycling, environmental impact, pavements

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