United States Department of Transportation
i
Evaluation of Different Paint Systems for Over-Coating Existing Structural Steel [Technical Brief]
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2018-08-01
[PDF-68.37 KB]
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Abstract:This project was undertaken to identify a procedure to accept new coating systems for over-coating of steel surfaces. The practices used by various state transportation agencies, and test methods for accelerated testing of coatings with primary focus on ASTM and FHWA guidelines were reviewed. It was concluded that a new protocol for accepting new systems that will provide results in a timely manner is required. Therefore, a new protocol for evaluating durability of coatings and their effectiveness in reducing corrosion of steel structures was developed.
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