The Experimental Study of the Utilization of Recycling Aggregate from the Demolition of Elements of a Reinforced Concrete Hall

Katarzyna Kalinowska-Wichrowska and David Suescum-Morales
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Katarzyna Kalinowska-Wichrowska: Faculty of Civil and Environmental Engineering, Bialystok University of Technology, 15351 Bialysto, Poland
David Suescum-Morales: Construction Engineering Area, School of Engineering Sciences of Belmez, Universidad de Córdoba, 14071 Córdoba, Spain

Sustainability, 2020, vol. 12, issue 12, 1-11

Abstract: The article shows a case study as to whether the thermal and mechanical recycling of concrete is suitable for concrete debris from the demolition of structural elements of a 30-year-old industrial hall. The experiment included 10 series of new composites made from heated recycled concrete aggregate (HRCA) subjected to different variants of heat treatment and one additional control series with only natural aggregate (NA). The compressive strength of the new concretes has been determined. The microscopic observations of HRCA have also been made. The test results revealed that proper heat treatment of concrete rubble makes it possible to obtain a high-quality recycled coarse aggregate, which can be used as a 100% replacement for natural coarse aggregates in new concretes.

Keywords: industry concrete rubble; heated recycled concrete aggregate; reinforced construction waste (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2020
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:gam:jsusta:v:12:y:2020:i:12:p:5182-:d:376111

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