Glass Cullet as Additive to New Sustainable Composites Based on Alumina Binder

Aleksandra Powęzka, Paweł Ogrodnik, Jacek Szulej and Mariusz Pecio
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Aleksandra Powęzka: Faculty of Security Engineering and Civil Protection, Main School of Fire Service, 01-629 Warsaw, Poland
Paweł Ogrodnik: Institute of Security Engineering, Main School of Fire Service, 01-629 Warsaw, Poland
Jacek Szulej: Faculty of Civil Engineering and Architecture, Lublin University of Technology, 20-618 Lublin, Poland
Mariusz Pecio: Faculty of Security Engineering and Civil Protection, Main School of Fire Service, 01-629 Warsaw, Poland

Energies, 2021, vol. 14, issue 12, 1-22

Abstract: The article investigated the possibility of reusing heat resistant glass cullet to improve the mechanical properties of high-temperature composites. This is an excellent recycled aggregate that may be used as a substitute for alumina cement, and for fine natural aggregate in the production of concrete based on hydraulic binder. The experimental programme comprised of strength testing conducted on 40 × 40 × 160 mm cuboidal samples. The model mixture was modified by filler that comprised glass recyclate, amounting to 5%, 10%, and 15% of the mass of gravel and cement. Given the degree of glass grounding, use was made of two fractions, 0/4 and 0/0.125 mm. Six modified mixtures were produced. Tests were then carried out on their selected physical and mechanical properties as well as the impact of temperature, topography, and chemical composition exerted on the composite. Next, the progress and development of compressive strength and flexural strength after 14 and 28 days of curing were studied. Results showed that concrete with a 5% content of glass dust had a maximum compressive strength at the level of 85.1 MPa. Results also showed that concrete (Zk.I.5) heated at a temperature of 500 °C had a 46% higher compressive strength when compared to basic concrete (Z.I.0). The results show that it is possible to use the described components to obtain a composite that meets requirements imposed on structural materials used in construction engineering.

Keywords: recycling; glass cullet; waste glass powder; recycled aggregates; alumina cement; cement composite; mechanical properties; microstructure (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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