Rebar Shape Time-Evolution During a Reinforced Concrete Corrosion Test: An Electrochemical Model

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Title: Rebar Shape Time-Evolution During a Reinforced Concrete Corrosion Test: An Electrochemical Model
Authors: Vera Almenar, Guillem de | Miró, Marina | Segovia-Eulogio, Enrique-Gonzalo | Poveda-Martínez, Pedro | Climent, Miguel-Ángel
Research Group/s: Durabilidad de Materiales y Construcciones en Ingeniería y Arquitectura | Grupo de Ensayo, Simulación y Modelización de Estructuras (GRESMES) | Acústica Aplicada
Center, Department or Service: Universidad de Alicante. Departamento de Ingeniería Civil | Universidad de Alicante. Departamento de Física, Ingeniería de Sistemas y Teoría de la Señal
Keywords: Electrochemical model | Finite elements | Corrosion test | Rebar corrosion
Knowledge Area: Ingeniería de la Construcción | Mecánica de Medios Continuos y Teoría de Estructuras
Issue Date: 29-Jul-2019
Publisher: MDPI
Citation: de Vera G, Miró M, Segovia EG, Poveda P, Climent MÁ. Rebar Shape Time-Evolution During a Reinforced Concrete Corrosion Test: An Electrochemical Model. Applied Sciences. 2019; 9(15):3061. doi:10.3390/app9153061
Abstract: An electrochemical model is presented to calculate the rebar shape time-evolution in reinforced mortar specimens during forced corrosion tests. This provides a more realistic description than the usually used geometric models. The current distribution along the rebar perimeter is calculated by using Finite Element Method (FEM) to solve Laplace equation. Then, Faraday’s law is used to relate current distribution to rebar volume increase due to corrosion products creation. The shape of the rebar section is obtained as a function of corrosion time.
Sponsor: We thank the funding received for this research from the Spanish Agencia Estatal de Investigación (AEI) and Fondo Europeo de Desarrollo Regional (FEDER) through project BIA2016-80982-R. One of us (M. Miró) acknowledges a pre-doctoral fellowship from the Spanish Ministerio de Educación (FPU16/04078).
URI: http://hdl.handle.net/10045/94847
ISSN: 2076-3417
DOI: 10.3390/app9153061
Language: eng
Type: info:eu-repo/semantics/article
Rights: © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Peer Review: si
Publisher version: https://doi.org/10.3390/app9153061
Appears in Collections:INV - DMCIA - Artículos de Revistas
INV - GRESMES - Artículos de Revistas
INV - Acústica Aplicada - Artículos de Revistas

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