Alaska · answered by Verika · verified against sources
What air content is required for concrete on Alaska DOT projects?
Air content for Alaska DOT concrete must meet Table 501-4: Class A and A-A = 6.0% ±0.5%, Class P = 4.0% ±0.5%, Class DS = not required (except Super Air Meter ≤0.20 for Class A/A-A/P). Job Mix Design must comply with these targets, and batch tolerances allow ±1.5% of approved air content at delivery [1,3]
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