To evaluate the electrochemical parameters of the reinforced concrete specimens at laboratory level there is no problem at all, because one can use any well-known electrochemical technique, but in site monitoring, there are few techniques being able to obtain these parameters. In this work a viable alternative is presented for the electrochemical evaluation of the reinforced concrete specimens in laboratory or in site monitoring. In order to have a reference of the corrosion rate obtained with the electrochemical noise technique and to be able to establish if these are real ones, measurements with commercial equipment were made applying the polarization resistance technique.Keywords: corrosion, electrochemical noise, polarization resistance, armed concrete, monitoring.
IntroducciónEn la industria de la construcción, el hormigón armado con barras de acero es el material más empleado en todo el mundo, debido a su facilidad para moldearse y formar cualquier estructura geométrica, la corrosión del acero de refuerzo tiene una elevada frecuencia con que ocurre, por lo que puede decirse que la corrosión del acero del armado es una de las principales causas de que las estructuras de hormigón armado sufran deterioro prematuro.
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