Use of Waste Glass as A Replacement for Raw Materials in Mortars with a Lower Environmental Impact

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Title: Use of Waste Glass as A Replacement for Raw Materials in Mortars with a Lower Environmental Impact
Authors: Letelier, Viviana | Henríquez-Jara, Bastián I. | Manosalva, Miguel | Parodi, Camila | Ortega, José Marcos
Research Group/s: Durabilidad de Materiales y Construcciones en Ingeniería y Arquitectura
Center, Department or Service: Universidad de Alicante. Departamento de Ingeniería Civil
Keywords: Waste glass powder | Sustainable mortar | Mechanical properties | Durability
Knowledge Area: Ingeniería de la Construcción
Issue Date: 23-May-2019
Publisher: MDPI
Citation: Letelier V, Henríquez-Jara BI, Manosalva M, Parodi C, Ortega JM. Use of Waste Glass as A Replacement for Raw Materials in Mortars with a Lower Environmental Impact. Energies. 2019; 12(10):1974. doi:10.3390/en12101974
Abstract: Glass waste used in mortars or concretes behaves similar to cement, with resulting environmental benefits. In this light, the behavior of glass powder of various particle sizes has been analyzed as a cement replacement in mortars, in an attempt to minimize the loss of strength and durability, and maximize the amount of materials replaced. The dry density, water accessible porosity, water absorption by immersion, capillary absorption coefficient, ultrasonic pulse velocity and both compressive and flexural strengths were studied in the mortars. Furthermore, a statistical analysis of the obtained results and a greenhouse gases assessment were also performed. In view of the results obtained, glass powder of 38 microns allows up to 30% of the cement to be replaced, due to the filler effect combined with its pozzolanic activity. Moreover, it has been observed that glass powder size is one of the factors with the greatest influence among the properties of porosity, absorption and capillarity. On the other hand, in the mechanical properties, this factor does not contribute significantly more than the amount of glass powder. Finally, the greenhouse gasses analysis shows that the incorporation of glass powder reduces the CO2 emissions associated with mortar up to 29.47%.
Sponsor: Part of this research was funded by the Universidad de La Frontera (Chile) through the DIUFRO Project DI17-0013 (“Analisis del efecto de la trituración en el comportamiento del polvo de vidrio como reemplazo de cemento”).
ISSN: 1996-1073
DOI: 10.3390/en12101974
Language: eng
Type: info:eu-repo/semantics/article
Rights: © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (
Peer Review: si
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