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Title: The Effect of the Addition of Construction & Demolition Waste on the Properties of Clay-based Ceramics
Authors: Biljana Angjusheva, Vilma Ducman , Emilija Fidanchevski
Keywords: Recycling; Mechanical properties; Sintering; Microstructure
Issue Date: Aug-2022
Publisher: Science of Sintering; ISSN: 1820-7413 (online); 0350-820X (print); IF: 1.172 (2019); Published by association for ETRAN Society.
Journal: Science of Sintering
Abstract: Waste glass and reclaimed brick are types of construction and demolition waste (C&DW) that could potentially be used as secondary raw materials in the production of ceramics. Ceramics based on clay, waste demolished brick (5-15 wt.%) and waste glass (5-20 wt.%) were produced by pressing (P = 68 MPa) and subsequently sintered at 900, 950, 1000, and 1050 o C for one hour. The physical and mechanical properties of the ceramics obtained were evaluated. The addition of demolished brick decreased the density and mechanical properties of the clay specimens and increased the water absorption. The incorporation of waste glass improved the sintering behavior and its mechanical properties. The addition of 20 wt.% waste glass and 10 wt.% waste demolished brick into the clay matrix improved the flexural strength by up to 20.6 % and decreased the water absorption by up to 22 %. The approach presented promotes an opportunity to recycle construction and demolition waste into alternative resource materials, and represents a positive contribution to the environment.
Appears in Collections:Faculty of Technology and Metallurgy: Journal Articles

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