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Effect of Cathodic Protection on Reinforced Concrete with Fly Ash Using Electrochemical Noise

dc.contributor.authorGarcía Contreras, Jorge Pedro
dc.contributor.authorGaona Tiburcio, Citlalli
dc.contributor.authorLópez Cázares, María Irene
dc.contributor.authorSánchez Díaz, Guillermo
dc.contributor.authorIbarra Castillo, Juan Carlos
dc.contributor.authorJáquez Muñoz, Jesús M.
dc.contributor.authorNieves Mendoza, Demetrio
dc.contributor.authorMaldonado Bandala, Erick Edgar
dc.contributor.authorOlguín Coca, Francisco Javier
dc.contributor.authorLópez León, Luis Daimir
dc.contributor.authorAlmeraya Calderón, Facundo
dc.identifier.citationGarcía-Contreras, J.; Gaona-Tiburcio, C.; López-Cazares, I.; Sanchéz-Díaz, G.; Ibarra Castillo, J.C.; Jáquez-Muñoz, J.; Nieves-Mendoza, D.; Maldonado-Bandala, E.; Olguín-Coca, J.; López-León, L.D.; Almeraya-Calderón, F. Effect of Cathodic Protection on Reinforced Concrete with Fly Ash Using Electrochemical Noise. Materials 2021, 14, 2438.
dc.description.abstract"Corrosion of steel reinforcement is the major factor that limits the durability and serviceability performance of reinforced concrete structures. Impressed current cathodic protection (ICCP) is a widely used method to protect steel reinforcements against corrosion. This research aimed to study the effect of cathodic protection on reinforced concrete with fly ash using electrochemical noise (EN). Two types of reinforced concrete mixtures were manufactured; 100% Ordinary Portland Cement (OCP) and replacing 15% of cement using fly ash (OCPFA). The specimens were under-designed protected conditions (?1000 ? E ? ?850 mV vs. Ag/AgCl) and cathodic overprotection (E < ?1000 mV vs. Ag/AgCl) by impressed current, and specimens concrete were immersed in a 3.5 wt.% sodium chloride (NaCl) Solution. The analysis of electrochemical noise-time series showed that the mixtures microstructure influenced the corrosion process. Transients of uniform corrosion were observed in the specimens elaborated with (OPC), unlike those elaborated with (OPCFA). This phenomenon marked the difference in the concrete matrix’s hydration products, preventing Cl? ions flow and showing passive current and potential transients in most specimens."
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional
dc.subjectElectrochemical noise
dc.subjectFly ash
dc.subjectCathodic protection
dc.titleEffect of Cathodic Protection on Reinforced Concrete with Fly Ash Using Electrochemical Noise
dc.rights.accessAcceso Abierto

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Attribution-NonCommercial-NoDerivatives 4.0 Internacional
Except where otherwise noted, this item's license is described as Attribution-NonCommercial-NoDerivatives 4.0 Internacional