DBPapers
DOI: 10.5593/SGEM2014/B42/S18.025

PRACTICAL ISSUES RELATED TO THE PROCESSING OF FIBRE REINFORCED CONCRETE MADE WITH RECYCLED MATERIALS

M. Barbuta, L. Ciobanu, I. Cioara
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, 191-198 pp

ABSTRACT
Textile materials are used in the field of building for different applications, from civil
engineering to hydrotechnics, mining, landscape engineering, etc. One of the most
important problems is the diminishing of the ecological impact of the production of
reinforced concrete. The solution is using recycled materials such as fly ash (replacing
cement) and fibres (to give strength and improve failure). The paper deals with problems that occur when the fibres are incorporated in the concrete mix containing fly ash. The paper identifies these problems - fibre floating in the mixing, fibre snagging and fibre clogging, all leading to non-homogenous mixes. The influence of fibre characteristics (length and percentage in the mix) is also pointed out. The adverse effects they have on the behaviour of the reinforced concrete is characterised and solutions are identified on how to eliminate them. Both the civil engineering aspects and the textile aspects of the problems are discussed.

Keywords: recycled materials, glass fibres, processability, mechanical behavior,
homogenous mix.

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