Yesterday at 9:08 PM #1 C carlcap Geotechnical Jun 17, 2025 1 is 3% air entrainment acceptable for a sidewalk that is breaking at over 9,000PSI?
Today at 12:35 AM #2 JAE Structural Jun 27, 2000 15,687 Is it meant to have some minimum air content for freeze protection? What was specified?