Title:
Corrosion Evaluation of a Sodium Thiocyanate-Based Admixture
Author(s):
Charles K. Nmai, Mark A. Bury, and Hamid Farzam
Publication:
Concrete International
Volume:
16
Issue:
4
Appears on pages(s):
22-25
Keywords:
accelerating agents; admixtures; chlorides; concrete; corrosion; reinforcing steel; Materials Research
DOI:
Date:
4/1/1994
Abstract:
This paper presents further corrosion test data from a macrocell time-to-corrosion evaluation of a sodium thiocyanate-based accelerating admixture which is now widely used in cold-weather concreting. Long-term nonchloride exposure and electrochemical corrosion test data for concrete treated with this admixture are also presented and discussed. The data indicate that sodium thiocyanate-based admixtures are safe for use in reinforced concrete applications at current recommended dosage ranges.