United States Department of Transportation
i
Comparative Analysis of Rapid Chloride Penetration Testing for Novel Reinforced Concrete Systems
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2022-09-01
[PDF-1.22 MB]
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Corporate Contributors:Rutgers University. Center for Advanced Infrastructure and Transportation ; United States. Department of Transportation. Federal Highway Administration ; United States. Department of Transportation. University Transportation Centers (UTC) Program ; United States. Department of Transportation. Office of the Assistant Secretary for Research and Technology
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Edition:Final Report May 2021 – May 2022
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Abstract:This report provides a summary of rapid chloride penetration testing (RCPT) of ductile concrete materials. The report first introduces a range of ductile concrete materials with varying fiber types, fiber lengths, mechanical properties, material constituents, and durability performance. These materials represent various systems that have been used in several transportation projects to improve the durability of transportation infrastructure. Next, an overview of the RCPT testing program is provided and results are presented with comparisons to representative baseline concrete mixtures used in the industry today. The results show that RCPT experiments may not be indicative of resistance to chloride movement since the experiments measure charge passed, rather than chloride ingress. Recommendations for the need to calibrate RCPT results with long-term chloride ponding experiments are discussed.
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