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Effect of Waste Glass Incorporation Methods on the Physical, Mechanical and Microstructural Properties of
Jurgita Malaiškienė1, Karolina Bekerė1, Jelena Škamat1
1Laboratory of Composite Materials, Faculty of Civil Engineering, Vilnius Gediminas Technical University, Sauletekio Av. 11, 10223 Vilnius, Lithuania.
Abstract:
In previous studies, it was established that replacing cement with dispersed glass from various electronic and household devices is challenging due to the formation of agglomerates in the mixture. Therefore, this study addresses this problem by applying different methods for incorporating dispersed glass: mixing in a conventional Hobart-type mixer, mixing dry components in an intensive Eirich-type mixer, and dispersing the glass particles in water using ultrasonic treatment. Using these 3 glass waste incorporation methods, the properties of hardened cement paste-density, compressive strength, phase composition, and microstructure-were compared. The effects of 4 types of glass (from television screens, washing machines, fluorescent lamps, and solar panels) were analysed. The results showed that lamp glass dispersed in water with ultrasound showed the best performance, while for the other glass types, intensive mixing was more effective. Under these conditions, the compressive strength of the samples increased by up to approximately 24%, and a denser microstructure was obtained compared to other glass incorporation methods.
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