The following videos will provide you with the correct procedures for conducting ACI Level 1 Concrete Field Technician testing in accordance with ASTM Standards and Practices.
Click the links below to see the video of the associated ASTM test method.
ASTM C1064 - Temperature of Freshly Mix Hydraulic Cement Concrete
ASTM C143 - Slump Test of Hydraulic Cement Concrete
ASTM C31 - Making and Curing Concrete Test Specimens in the Field
ASTM C138 - Density (Unit Weight), Yield and Air Content (Gravimetric) of Concrete
ASTM C231 - Concrete Air Test: Pressure Meter