Rhode Island · answered by Verika · verified against sources
What air content is required for concrete on Rhode Island DOT projects?
"Ensure that a ll concrete used on State of Rhode Island projects is air entrained ." [1] "Air Content Range, AASHTO T152, % 5 - 9 5 - 9 5 - 9 5 - 9 5 - 9 ― 5 - 9" [1] "A ir content of the mix" [2] "the goal of produc ing concrete using the maximum amount of water and air content specified in the submitted mix design during the trial runs" [2] "Once the concrete temperature, slump , and air content are tested and compliance with the Specifications has been established" [2] "6. Plastic Concrete Air Content Yield (Unit Weight) Slump/Spread Concrete Temperature Air Temperature Precast/Prestressed Concrete — First two loads then randomly every 50 cu yd for each concrete class delivered and placed on a calendar day from a single supplier." [4]
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