DBPapers
DOI: 10.5593/SGEM2014/B52/S20.043

GLASS WASTE AS AN ALTERNATIVE TO NATURAL AGGREGATE

J. Junak, A. Sicakova
Wednesday 1 October 2014 by Libadmin2014

References: 14th International Multidisciplinary Scientific GeoConference SGEM 2014, www.sgem.org, SGEM2014 Conference Proceedings, ISBN 978-619-7105-18-6 / ISSN 1314-2704, June 19-25, 2014, Book 5, Vol. 2, 321-326 pp

ABSTRACT
Post-consumer glass represents a major component of solid waste. Current collection methods for glass products are quite limited, therefore, only a small fraction of the solid waste can be recycled directly to the primary market - the bottling and container industry. This paper is focused on utilization of colored glass bottle fragments in concrete production. To study the possibilities of crushed colour glass bottle fragments utilization as a selected natural aggregate replacement in concrete, eight different mixtures were prepared. Four of these mixtures contained 25% replacement of cement by starting coal fly ash. From all mixtures, samples with dimension 160x40x40 mm were made in our case study. After 7 and 28 days of hardening, samples were tested in flexural strength and compression strength. The results from bottle glass waste application show that glass waste used as an aggregate in concrete has not negative effects on the strength characteristics of hardened concrete, but corrosion properties of coloured glass waste in concrete is necessary to investigate.

Keywords: utilization, glass waste, coal fly ash, concrete, flexural and compressive
strength