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Synthetic concrete pore solution chemistry and rebar corrosion rate in the presence of chlorides

✍ Scribed by S. Goñi; C. Andrade

Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
772 KB
Volume
20
Category
Article
ISSN
0008-8846

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✦ Synopsis

Synthetic concrete pore solutions containing 0, 0.I, 0.5, 0.75 and 1 N in chloride ion, in the form of NaCl or CaCI2, ranging from pH = 11.64 to pH = 13.22, were characterized through measurements of their pH values, ionic strength, resistivity and [C1-]/[OH-] ratio. The interdependence between these bulk chemical parameters have been established. The variation of instantaneous corrosion intensity in time has been followed by the electrochemical technique of Resistance Polarization (Rp). Reasonable interdependence between bulk chemical parameters and mean corrosion intensity (~a. cm-2) values have been found.

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