CSIR Central

Quantitative estimation on delaying of onset of corrosion of rebar in surface treated concrete using sealers

IR@CECRI: CSIR-Central Electrochemical Research Institute, Karaikudi

View Archive Info
 
 
Field Value
 
Title Quantitative estimation on delaying of onset of corrosion of rebar in surface treated concrete using sealers
 
Creator Sivasankar, A.
Arul Xavier Stango, S.
Vedalakshmi, R.
 
Subject Concrete corrosion
Corrosion Protection
 
Description Surface treatment on the concrete surface using sealers reduces the rate of permeability of chloride and moisture through the concrete. The delaying of onset of corrosion is evaluated for surface treated and untreated concrete using electrochemical techniques. After conducting rapid chloride permeability test (RCPT), using Nernst–Plank equation, the diffusion coefficient of chloride (Deff) is calculated. Substituting threshold chloride concentration of rebar (Cth) from cyclic polarization test in the ficks second law, the time to initiation of corrosion (Ti) is arrived. From the results it is found that the treated concrete with alkyltrialkoxy silane sealer delays the onset of corrosion by four times than that of untreated concrete.
 
Publisher Elsevier
 
Date 2013
 
Type Article
PeerReviewed
 
Format application/pdf
 
Identifier http://cecri.csircentral.net/3043/1/006-2013.pdf
Sivasankar, A. and Arul Xavier Stango, S. and Vedalakshmi, R. (2013) Quantitative estimation on delaying of onset of corrosion of rebar in surface treated concrete using sealers. Ain Shams Engineering Journal. (In Press)
 
Relation http://www.elsevier.com/locate/asej
http://cecri.csircentral.net/3043/