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Title: Flexural capacity of eco-friendly reinforced concrete beams
Authors: Gerges, Nagib N
Issa, Camille A
Khalil, Nariman 
Abdul Khalek, Lara
Abdo, Serge
Abdulwahab, Yehia
Affiliations: Department of Civil and Environmental Engineering 
Department of Civil and Environmental Engineering 
Issue Date: 2023-11-17
Publisher: National Library of Medicine
Part of: Scientific Reports
Volume: 13
Issue: 1
In the construction industry, concrete is the most utilized building material. It is produced from different natural resources such as sand and gravel, as well as cement. The production of concrete is causing harm to the environment, yet its use became a necessity. To solve this humongous environmental challenge, many researchers devoted a considerable effort to partially replacing concrete mix components with waste material derived from glass, plastics, aluminum, wood ash, construction and demolition wastes, or tires. In the current study, a novel effort was conducted to incorporate all the above-mentioned wastes in a concrete mix design and to assess its performance. Five recycled mix designs were explored and based on the concrete mechanical properties derived, an optimum mix was realized. The optimum mix incorporated the following waste percentages: 2% crumb rubber (CR) partially replacing sand, 20% powdered glass (PG) partially replacing sand, 50% recycled concrete aggregates (RCA) partially replacing coarse aggregates, and the addition of 0.5% plastic. The optimum recycled mix was utilized to cast a real-life-size reinforced concrete beam which was compared to a normal mix beam.
DOI: 10.1038/s41598-023-47283-6
Open URL: Link to full text
Type: Journal Article
Appears in Collections:Department of Civil and Environmental Engineering

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