Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/57774
Title: Reuse of sanitary ceramic wastes as coarse aggregate in eco-efficient concretes
Authors: Medina, C., Sánchez de Rojas, María Isabel, Guerra, M. I., Frías, M.
Keywords: Sanitary ceramic waste
Characterisation
Recycled aggregates
Ecoefficient concrete
Microstructure
Strength
Issue Date: 2012
Publisher: Elsevier
Abstract: The sanitary ceramics industry inevitably generates wastes, irrespective of the improvements introduced in manufacturing processes. The present study investigated the reuse of these wastes as recycled coarse aggregate in partial substitution (15%, 20% and 25%) of natural coarse aggregates in the manufacture of structural concretes. The results demonstrate that recycled, eco-efficient concretes present superior mechanical behaviour compared to conventional concrete and it was moreover appreciated that the recycled ceramic aggregate does not interfere in a negative way during the hydration process. It was also observed that the microstructure in the interfacial transition zone (ITZ) between recycled ceramic aggregate and paste was more compact than in the case of natural aggregate and paste.
Publisher version (URL): http://dx.doi.org/10.1016/j.cemconcomp.2011.08.015
URI: http://hdl.handle.net/10261/57774
ISSN: 0958-9465
Citation: Cement and Concrete Composites, 34 (1) : 48-54 (2012)
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