Cracks width-corrosion rate correlation on the durability of reinforced concrete in a very high aggressiveness tropical marine environment

  • Andrés Antonio Torres Acosta Universidad Marista de Queretaro (UMQ), Instituto Mexicano del Transporte (IMT) http://orcid.org/0000-0003-0058-9903
  • Oladis Troconis de Rincón Centro de Estudios de Corrosión (CEC), Facultad de Ingeniería, Universidad del Zulia, Maracaibo http://orcid.org/0000-0002-3693-5057
  • Valentina Milano Centro de Estudios de Corrosión (CEC), Facultad de Ingeniería, Universidad del Zulia, Maracaibo http://orcid.org/0000-0001-6138-4747
  • Yolanda Hernández-López Centro de Estudios de Corrosión (CEC), Facultad de Ingeniería, Universidad del Zulia, Maracaibo http://orcid.org/0000-0002-5814-3472
DOI: https://doi.org/10.21041/ra.v8i3.321
Keywords: reinforced concrete, marine environment, corrosion rate, cracks width

Abstract

The aim of this investigation was to evaluate the correlation between crack width and apparent corrosion rate in reinforced concrete specimens exposed for more than six years to a tropical marine environment, at the natural test site La Voz, Venezuela. Six specimens from DURACON Project (prismatic 15x15x60 cm, with 0.65 w/c ratio) were monitored; each specimen having six reinforcing steel bars placed at three different depths (two each at 15, 20, and 30 mm) for electrochemical tests (corrosion potential and corrosion rate). An empirical correlation between surface crack propagation rate and iCORR was established, which may help iCORR estimation indirectly if values of maximum surface crack widths due to reinforcement corrosion are obtained in at least one-year period of monitoring.

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Author Biography

Andrés Antonio Torres Acosta, Universidad Marista de Queretaro (UMQ), Instituto Mexicano del Transporte (IMT)
Researcher/Professor at UMQ; Researcher, Materiales Area representant at IMT

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Published
2018-08-31
How to Cite
Torres Acosta, A. A., Troconis de RincónO., Milano, V., & Hernández-LópezY. (2018). Cracks width-corrosion rate correlation on the durability of reinforced concrete in a very high aggressiveness tropical marine environment. Revista ALCONPAT, 8(3), 317 - 332. https://doi.org/10.21041/ra.v8i3.321
Issue
Vol. 8 No. 3 (2018)
Section
Applied Research

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