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Title: Characteristics of Sustainable Concrete with Partial Substitutions of Glass Waste as a Binder Material

Author(s): Jawad Ahmad, Rebeca Martinez-Garcia, Salem Algarni, Jesús de-Prado-Gil, Talal Alqahtani & Kashif Irshad

Publication: IJCSM

Volume: 16


Appears on pages(s):

Keywords: waste glass, split tensile strength, flexure strength, compressive strength, bond strength, scan electronic microscopic

DOI: 10.1186/s40069-022-00511-1

Date: 5/31/2022

Manufacturing waste has been quickly increasing over time as a result of the fast-rising population as well as the consumption of foods that are thrown away dishonestly, resulting in environmental contamination. As a result, it has been suggested that industrial waste disposal may be considerably reduced if it could be integrated into cement concrete manufacturing. The aim of this study is to analyze the properties of concrete employing waste glass (WG) as a binding material in proportions of 5%, 10%, 15%, 20%, 25%, and 30% by weight of cement. The fresh property was assessed using a slump cone test, while mechanical performance was assessed using flexural, compressive, splitting tensile, and pull-out strength after 7, 28, and 56 days. Furthermore, microstructure analysis was studied by scan electronic microscopic (SEM), Fourier-transform infrared spectroscopy (FTIR) and thermo-gravimetric analysis (TGA) test. The results reveal that the addition of discarded glass reduces the workability of concrete. Furthermore, mechanical performance was increased up to a 20% substitution of waste glass and then gradually declined. Waste glass can be employed as a micro filler or pozzolanic material without affecting the mechanical performance of concrete, according to microstructure research.