Browsing by Autor "Gustavo Condorcet Sevilla"

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    Effect of adding fine glass waste on the mechanical properties of concrete in Cochabamba, bolivia
    (IOP Publishing, 2025) Gustavo Condorcet Sevilla; Joaquín Humberto Aquino Rocha; Romildo Dias Toledo Filho
    Abstract The management of glass waste presents a challenge in the construction sector, and its integration into concrete offers an innovative approach to waste valorization and sustainable materials development. This study explores the novel use of fine glass waste (FGW) as a mineral admixture, evaluating its impact on mechanical performance and durability at 2.5%, 5%, 7.5%, and 10% cement replacement levels. Results show that 5% FGW significantly enhanced compressive strength (28.62 MPa versus 21.45 MPa for the control) due to improved matrix densification, while higher dosages (≥7.5%) increased water absorption and void index, potentially affecting durability. A key innovation in this study is the detailed SEM-EDS microstructural analysis, which confirms FGW’s effective integration into the cement matrix but also identifies micropores at higher dosages, indicating potential durability concerns. These findings provide new insights into the controlled use of FGW in concrete, demonstrating its feasibility as a sustainable alternative while emphasizing the need for optimized incorporation to maintain durability. The study contributes to circular economy strategies by promoting glass waste repurposing in cementitious materials.