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51312-01054-EFFECT OF THE COMPRESSIVE STRENGTH IN AN ELECTROCHEMICAL CHLORIDE EXTRACTION

Picture for EFFECT OF THE COMPRESSIVE STRENGTH IN AN ELECTROCHEMICAL CHLORIDE EXTRACTION
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Product Number: 51312-01054-SG
ISBN: 01054 2012 CP
Author: Sandra Luz Rodríguez Reyna
Publication Date: 2012
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The focus of this paper is to examine and review how application of Electrochemical Chloride Extraction (ECE) effect the mortar mechanical properties. The mortar specimens were prepared with water/cement (w/c) ratio of 0.5 and contaminated with 5% of NaCl by mass of cement. A steel rod clean was centrally embedded in each specimen. The electrochemical treatments were based on three applied current densities of 3, 6 and 9 A/m2 for 15 days. The state of corrosion was monitored regularly every two weeks before, during and after applying ECE. Selected samples from the cover zone of the untreated and treated specimens were taken to assess their chloride profiles. According to results of the compressive strength on mortars, the mechanicals properties were not affected by ECE.
The focus of this paper is to examine and review how application of Electrochemical Chloride Extraction (ECE) effect the mortar mechanical properties. The mortar specimens were prepared with water/cement (w/c) ratio of 0.5 and contaminated with 5% of NaCl by mass of cement. A steel rod clean was centrally embedded in each specimen. The electrochemical treatments were based on three applied current densities of 3, 6 and 9 A/m2 for 15 days. The state of corrosion was monitored regularly every two weeks before, during and after applying ECE. Selected samples from the cover zone of the untreated and treated specimens were taken to assess their chloride profiles. According to results of the compressive strength on mortars, the mechanicals properties were not affected by ECE.
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