Impacto del grafito como material conductor al ser añadido a la pasta de cemento para analizar su viabilidad en aplicaciones de monitoreo estructural
| dc.contributor.advisor | Mena Serna, Milton | |
| dc.contributor.author | Morea Hernández, Ana María | |
| dc.contributor.author | González Toledo, Dianne Valentina | |
| dc.contributor.orcid | Mena Serna, Milton [0000-0002-7377-2787] | |
| dc.creator.email | anamoreahernandez@gmail.com | |
| dc.creator.email | gonzalezdiannev@gmail.com | |
| dc.creator.id | 20231379051 | |
| dc.creator.id | 20231379035 | |
| dc.date.accessioned | 2026-06-30T18:53:52Z | |
| dc.date.available | 2026-06-30T18:53:52Z | |
| dc.date.created | 2026-05-28 | |
| dc.description | La presente investigación evaluó el impacto del grafito como material conductor al ser incorporado en pastas de cemento, con el propósito de analizar su viabilidad en aplicaciones de monitoreo estructural. Para ello, se desarrolló una revisión sistemática de literatura sobre materiales conductivos utilizados en matrices cementicias y se diseñó una fase experimental basada en la elaboración de muestras con diferentes porcentajes de adición de grafito (0 %, 0,25 %, 0,50 %, 0,75 % y 1,00 % respecto al peso del cemento). Las probetas fueron caracterizadas mediante espectroscopía de impedancia electroquímica (EIS), complementando el estudio con ensayos de resistencia a la compresión y absorción de agua. Los resultados evidenciaron que la incorporación de grafito genera una disminución de la resistividad eléctrica y un incremento de la conductividad de la matriz cementicia, asociado a la formación de redes conductoras y al fenómeno de percolación. Los valores de conductividad obtenidos, comprendidos entre 1,67×10⁻⁴ y 1,79×10⁻⁴ (Ω·m)⁻¹, se encontraron dentro de los rangos reportados en la literatura para materiales cementicios modificados con adiciones carbonosas, lo que valida experimentalmente el comportamiento observado. Asimismo, se identificó que el grafito constituye una alternativa de bajo costo frente a otros materiales conductivos avanzados, manteniendo un desempeño eléctrico adecuado para aplicaciones potenciales de sensado. Se concluye que el grafito es un aditivo viable para el desarrollo de materiales cementicios funcionales con potencial aplicación en sistemas de monitoreo estructural, aunque se requieren investigaciones adicionales para optimizar su dosificación y evaluar su comportamiento bajo condiciones reales de servicio. | |
| dc.description.abstract | This study evaluated the impact of graphite as a conductive material when incorporated into cement pastes, with the aim of analyzing its feasibility in structural monitoring applications. To this end, a systematic literature review was conducted on conductive materials used in cementitious matrices, and an experimental phase was designed based on the preparation of specimens with different percentages of graphite addition (0%, 0.25%, 0.50%, 0.75%, and 1.00% by weight of cement). The specimens were characterized using electrochemical impedance spectroscopy (EIS), and the study was supplemented with compressive strength and water absorption tests. The results showed that the incorporation of graphite leads to a decrease in electrical resistivity and an increase in the conductivity of the cementitious matrix, associated with the formation of conductive networks and the percolation phenomenon. The conductivity values obtained, ranging from 1.67×10⁻⁴ to 1.79×10⁻⁴ (Ω·m)⁻¹, fell within the ranges reported in the literature for cementitious materials modified with carbon-based additives, which experimentally validates the observed behavior. Furthermore, it was found that graphite constitutes a low-cost alternative to other advanced conductive materials, while maintaining adequate electrical performance for potential sensing applications. It is concluded that graphite is a viable additive. | |
| dc.format.mimetype | ||
| dc.identifier.uri | http://hdl.handle.net/11349/101887 | |
| dc.language.iso | spa | |
| dc.publisher | Universidad Distrital Francisco José de Caldas | |
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| dc.rights.acceso | Abierto (Texto Completo) | |
| dc.rights.accessrights | OpenAccess | |
| dc.subject | Grafito | |
| dc.subject | Pasta de cemento | |
| dc.subject | Monitoreo estructural | |
| dc.subject | Espectroscopía de impedancia electroquímica | |
| dc.subject | Conductividad eléctrica | |
| dc.subject | Conductividad eléctrica | |
| dc.subject | Materiales cementicios conductivos | |
| dc.subject.keyword | Graphite | |
| dc.subject.keyword | Cement paste | |
| dc.subject.keyword | Structural monitoring | |
| dc.subject.keyword | Electrochemical impedance spectroscopy | |
| dc.subject.keyword | Electrical conductivity | |
| dc.subject.keyword | Conductive cementitious materials | |
| dc.subject.lemb | Tecnología en Construcciones Civiles -- Tesis y disertaciones académicas | |
| dc.subject.lemb | Grafito — Propiedades eléctricas | |
| dc.subject.lemb | Cemento — Propiedades físicas y mecánicas | |
| dc.subject.lemb | Monitoreo estructural — Materiales inteligentes | |
| dc.title | Impacto del grafito como material conductor al ser añadido a la pasta de cemento para analizar su viabilidad en aplicaciones de monitoreo estructural | |
| dc.title.titleenglish | Impact of graphite as a conductive material when added to cement paste to analyze its viability in structural monitoring applications | |
| dc.type | bachelorThesis | |
| dc.type.coar | http://purl.org/coar/resource_type/c_7a1f | |
| dc.type.degree | Monografía | |
| dc.type.driver | info:eu-repo/semantics/bachelorThesis |
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