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The effect of chloride and sulfate ions on reinforcement corrosion

✍ Scribed by Omar Saeed Baghabra Al-Amoudi; Mohammed Maslehuddin

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
474 KB
Volume
23
Category
Article
ISSN
0008-8846

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✦ Synopsis

The effect of chloride, sulfate and chloride-sulfate solutions on corrosion of steel embedded in cement paste has been investigated. The reinforcement corrosion was evaluated by measuring corrosion potentials and corrosion current density using D.C. linear polarization resistance technique. Results indicate that the corrosion activity was very minimal in specimens immersed in pure sulfate solution. The reinforcement corrosion activity was found to be higher in specimens immersed in chloride-sulfate solutions as compared to those immersed in pure chloride solution. The corrosion rate was observed :o be doubled when the sulfate concentration in 15.7% C1-solution was raised from 0.55 to 2.1%.

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