Synergetic effect of a super-absorbent polymer and a calcium nitrite corrosion inhibitor in high performance concrete durability

  • A. Duran-Herrera Universidad Autonoma de Nuevo León, Facultad de Ingenieria Civil, Departamento de Tecnología del Concreto http://orcid.org/0000-0003-4959-3479
  • J. A. Canul-Polanco Universidad Autónoma de Nuevo León, Facultad de Ingeniería Civil, Nuevo León, México.
  • R. Dávila-Pompermayer Universidad Autónoma de Nuevo León, Facultad de Ingeniería Civil, Nuevo León, México
  • L. G. López-Yépez Universidad Autónoma de Nuevo León, Facultad de Ingeniería Civil, Nuevo León, México.
  • P. L. Valdez-Tamez Universidad Autónoma de Nuevo León, Facultad de Ingeniería Civil, Nuevo León, México.
DOI: https://doi.org/10.21041/ra.v10i2.450
Keywords: high performance concrete, super-absorbent polymer, calcium nitrite corrosion inhibitor, silica fume, durability

Abstract

In this research, the synergetic effect of a super-absorbent polymer in combination with a calcium nitrite corrosion inhibitor were evaluated as a combined technology to improve concrete durability in High Performance Concrete. For this purpose, Portland cement mortars with a water/cement ratio of 0.4 and a substitution of 9.5% of cement by silica fume were produced. The effect of this technologies was evaluated by measuring the following parameters: autogenous and drying shrinkage, surface electrical resistivity and the non-steady-state chloride migration coefficient. The results indicate that the synergistic effect of SAP + CNI improves autogenous shrinkage and surface electrical resistivity.

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Author Biography

A. Duran-Herrera, Universidad Autonoma de Nuevo León, Facultad de Ingenieria Civil, Departamento de Tecnología del Concreto

Professor

Head of Concrete Technology

FIC-UANL International Affairs Coordinator

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Published
2020-04-30
How to Cite
Duran Herrera, A., Canul-Polanco, J. A., Dávila-Pompermayer, R., López-Yépez L. G., & Valdez-Tamez , P. L. (2020). Synergetic effect of a super-absorbent polymer and a calcium nitrite corrosion inhibitor in high performance concrete durability. Revista ALCONPAT, 10(2), 206 - 218. https://doi.org/10.21041/ra.v10i2.450
Issue
Vol. 10 No. 2 (2020): Volume 10, Issue 2, 2020
Section
Basic Research

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