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    Current and Needed Research

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    There is a considerable amount of as yet unpublished research currently underway in the United States and elsewhere on the corrosion of reinforcing steel in various types in concrete and the influence of such corrosion on other properties of the concrete. The National Association of Corrosion Engineers, Committee T-3K on Corrosion of Metals in Concrete, recently requested a questionnaire completion from members regarding research interests. While most members were interested mainly in the practical applications of current knowledge, there were some topics of interest so far as current research was concerned. Further studies on the fundamental mechanism of corrosion of steel in concrete, as affected by cement content and type, oxygen and moisture content, steel type and stresses, and cement type is underway at the University of Oklahoma, where additional work is continuing on the optimization of reference electrodes for embedment in reinforced concrete. The problem here is the maintenance of stability and reproducibility of potential as the environment around the electrode changes; this is crucial in cathodic protection monitoring, for example.

    Committee/Subcommittee: G01.14

    DOI: 10.1520/STP31839S