Please use this identifier to cite or link to this item: https://scholarhub.balamand.edu.lb/handle/uob/7564
Title: Feasibility of foam concrete using recycled brick and roof tile fine aggregates
Authors: Bayraktar, Oğuzhan Yavuz
Ahıskalı, Adem
Ahıskalı, Mehtiali
Ekşioğlu, Fikriye
Kaplan, G.
Assaad, Joseph 
Affiliations: Department of Civil and Environmental Engineering 
Keywords: Brick
Durability
Ete
Foam concr
Le
Roof ti
Sustainability
Issue Date: 2024-01-01
Publisher: Taylor and Francis Ltd.
Part of: European Journal of Environmental and Civil Engineering
Abstract: 
Brick (BR) and roof tile (RT) fine aggregate fractions derived from construction and demolition wastes have a low recycling rate in new construction and building materials. This article assesses their suitability for replacing the limestone aggregate in foam concrete, which helps valorise such fractions and conserve natural limestone resources. Two concrete categories containing or not silica fume (SF) were investigated, while the BR and RT aggregate replacement rates were 10%, 20% and 40%. Tested properties include flow, density, water absorption, porosity, thermal conductivity, mechanical strengths, microscopy, drying shrinkage, resistance to freeze/thaw cycles and elevated temperature. Results showed that the concrete mechanical properties improved when the limestone aggregate was replaced by 10% BR or RT but gradually curtailed at higher addition rates. Such results concorded with the density, water absorption and porosity measurements. Foamed concrete containing BR is more resistant (compared to RT) to drying shrinkage, freeze/thaw cycle, and heat exposure, which was ascribed to the relatively lower BR porosity that improves the concrete mechanical properties and durability.
URI: https://scholarhub.balamand.edu.lb/handle/uob/7564
ISSN: 19648189
DOI: 10.1080/19648189.2024.2407868
Ezproxy URL: Link to full text
Type: Journal Article
Appears in Collections:Department of Civil and Environmental Engineering

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