ACI ASTM C231 - Air Content: Pressure Method (Newer Version Available, Click Top Right Corner)
11:43
ASTM C138-Unit weight of concrete and C231-Air content via pressure air meter
11:35
ASTM C173 Volumetric Air Meter Test
8:43
ACI Volumetric Test: ACI ASTM C173 (Newer Version Available, Click Top Right Corner)
8:41
Field Testing Concrete (Part 1)
5:46
Calibrating a Test Mark Pressure Meter
4:38
MnDOT | Air content test
7:11
Pressure Meter Calibration
6:08