ASTM C138-Unit weight of concrete and C231-Air content via pressure air meter
6:47
ASTM C231 - Air Content of Concrete by the Pressure Method
19:06
ASTM C173-Air Content of Concrete-Volume Air Meter
16:14
ASTM C138: Unit Weight, Yield, & Air Content Gravimetric
4:39
ACI ASTM C231 - Air Content: Pressure Method (Newer Version Available, Click Top Right Corner)
3:44
ACI Density Test: ASTM C138 Density (Unit Weight) 2019
10:02
Quem inventou esta tecnologia rodoviária é um génio - Invenções incríveis que estão noutro nível
8:35
ASTM C173 - ACI Volumetric Air Meter Test (Newer Version Available, Click Top Right Corner)
8:59