Research Article

Electrochemical Evaluation of Galvanized Steel and AISI 1018 as Reinforcement in a Soil Type MH

Miguel Angel Baltazar-Zamora
Universidad Veracruzana, Facultad de Ingeniería Civil – Xalapa, Xalapa, Veracruz, México
* Corresponding author
Laura Landa-Ruiz
Universidad Veracruzana, Facultad de Ingeniería Civil – Xalapa, Xalapa, Veracruz, México
Yazmin Rivera
Universidad Veracruzana, Facultad de Ingeniería Mecánica y Eléctrica – Xalapa, Xalapa, Veracruz, México
René Croche
Universidad Veracruzana, Facultad de Ingeniería Mecánica y Eléctrica – Xalapa, Xalapa, Veracruz, México
DOI icon 10.24018/ejeng.2020.5.3.1789

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Submitted 2020-02-16
Published 2020-03-09

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Article Main Content

This work presents the electrochemical evaluation of bars of Galvanized Steel and AISI 1018 with 3/8” and ½” of diameter, this bars are commonly used for the construction of elements based on Soils Mechanically Reinforced (SMR), the bars were buried in a fine soil predominant in the region of Xalapa City, Ver., México, soil classified in the USCS (Unified Soil Classification System) as a high plasticity silt (MH). Corrosion evaluation was conducted by monitoring the corrosion potential Ecorr and corrosion rate, Icorr, using techniques half-cell potential according to the standard ASTM C-876-15 and Linear Polarization Resistance (LPR), respectively. The experimental setup simulates the real conditions when the steel is used as reinforcement in structures of SMR, where they remain buried throughout the useful life of the structure. The results of the first 110 days of exposure show that the Galvanized Steel bars have a better corrosion performance compared to the AISI 1018 steel regardless of their diameter.

Keywords: Corrosion AISI 1018 Galvanized Steel Soil type MH

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