Óxido de hierro como sustituto parcial de agregado fino en morteros de pega: un enfoque de la economía circular

The research was carried out with the objective of analyzing the physical-mechanical and chemical behavior of mortar mixtures for masonry, partially replacing the fine aggregate (Santo Tomás sand) with crushed iron oxide obtained at the Universidad de la Costa, which came from metallic beams from the facade of the laboratory building, at the percentages of 10%, 12% and 15% and a traditional mixture as a reference point. Eight mortar cubes of 125 cm3 volume each were made, i.e., a total of 32 mortar cubes were used in the investigation. The mixtures in plastic state were tested for flowability, while in hardened state they were submitted to the compressive strength test at 7, 14 and 28 days of curing; in addition, the mortar samples were analyzed using SEM-EDS Scanning Electron Microscopy. Finally, it was found that the best mechanical behavior at 28 days of curing, the 15% substitution mixture reached a resistance of 33.60 MPa; followed by the 12% mixture that reached a resistance of 27.07 MPa; while the traditional and the 10% percentage mixtures reached similar resistances of 25.77 MPa and 25.70 MPa, respectively

• Autores: Rosado Barros, Isabella; Salcedo Caamaño, Javier
• Tipo de recurso: Trabajo de grado de pregrado
• Fecha de publicación: 2024
• Institución: Corporación Universidad de la Costa
• Repositorio: REDICUC - Repositorio CUC
• Idioma: spa
• OAI Identifier: oai:repositorio.cuc.edu.co:11323/12847
• Acceso en línea: https://hdl.handle.net/11323/12847; https://repositorio.cuc.edu.co
• Palabra clave: Fine aggregate; Sand; Iron oxide; Mortars; Circular economy; Compression resistance; Agregado fino; Arena; Óxido de hierro; Morteros; Economía circular; Resistencia a la compresión
• Rights: openAccess
• License: Atribución-NoComercial-CompartirIgual 4.0 Internacional (CC BY-NC-SA 4.0)