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Corporate Contributors:Rutgers University. Center for Advanced Infrastructure and Transportation ; United States. Department of Transportation. University Transportation Centers (UTC) Program ; United States. Department of Transportation. Office of the Assistant Secretary for Research and Technology ; Port Authority of New York and New Jersey ; United States. Department of Transportation. Federal Highway Administration
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Edition:Final Report. May 15, 2021 - March 31, 2023
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Abstract:This report presents a study of the chloride resistance (durability) of concrete mixtures that may be used to achieve low-carbon requirements. 18 distinct concrete mixtures were evaluated, with a comprehensive testing regime encompassing fresh state properties (slump, setting time, air content, and fresh density), compressive strength, and durability indicators (salt scaling resistance and chloride ion diffusion). The objective was to assess the viability of low-carbon concrete systems under performance-based criteria relevant to large-scale infrastructure applications. Overall, the mixtures demonstrated strong performance across several criteria. The 77% slag blend emerged as the most effective, meeting all selective performance benchmarks while offering the lowest carbon cost. Notable alternatives include 40F, 50F, 60S, 65S, 60S/OA, and 50S/PLC, which also showed robust performance.
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