Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Recycling of glazed floor tile industry scrap in masonry mortar
Considering the high volume of virgin scrap generated by the Brazilian floor tile industry, the use of this material as the main aggregate source for substitution of river sand in typical masonry mortars was investigated. In order to simulate the grain size distribution of a regular washed river sand, the aggregates were prepared by proper crushing followed by hammer milling and sieving of the virgin glazed floor tile scrap. Several compositions were prepared using cement, hydrated lime and the glazed floor tile recycled aggregates. The properties of the mortars containing the recycled aggregates were comparatively evaluated against common masonry mortars containing washed river sand hydrated lime and ordinary Portland cement. The reference mortars were produced in a construction site as well as in the laboratory. It was found that the mortars containing the recycled aggregates developed higher levels of strength and adherence to substrate walls than the river sand-containing mortars. The large availability and mineralogical homogeneity of the scrap, its low recovery cost and the environmental benefits resulting from its re-use, indicate that its recycling in substitution of regular sand is technologically and economically feasible. In addition it brings the benefits of natural resources protection.
Recycling of glazed floor tile industry scrap in masonry mortar
Considering the high volume of virgin scrap generated by the Brazilian floor tile industry, the use of this material as the main aggregate source for substitution of river sand in typical masonry mortars was investigated. In order to simulate the grain size distribution of a regular washed river sand, the aggregates were prepared by proper crushing followed by hammer milling and sieving of the virgin glazed floor tile scrap. Several compositions were prepared using cement, hydrated lime and the glazed floor tile recycled aggregates. The properties of the mortars containing the recycled aggregates were comparatively evaluated against common masonry mortars containing washed river sand hydrated lime and ordinary Portland cement. The reference mortars were produced in a construction site as well as in the laboratory. It was found that the mortars containing the recycled aggregates developed higher levels of strength and adherence to substrate walls than the river sand-containing mortars. The large availability and mineralogical homogeneity of the scrap, its low recovery cost and the environmental benefits resulting from its re-use, indicate that its recycling in substitution of regular sand is technologically and economically feasible. In addition it brings the benefits of natural resources protection.
Recycling of glazed floor tile industry scrap in masonry mortar
Costa, J.S. (Autor:in) / Martins, C.A. (Autor:in) / Libardi, W. (Autor:in) / Baldo, J.B. (Autor:in)
Interceram ; 62 ; 1-4
2013
4 Seiten, 5 Bilder, 4 Tabellen, 17 Quellen
Aufsatz (Zeitschrift)
Englisch
Mauer , Fluss (Gewässer) , Substitution , Bodenfliese , Korngrößenverteilung , natürliche Ressource , Zement , Portlandzement , Hammermühle , Baustelle , Homogenität , Abfallverwertung , Brasilien , Zerkleinerung , Sieben , Mörtel , Verputz
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