The American Concrete Institute (ACI) has developed one of the most successful nationwide certification efforts devoted exclusively to the concrete industry. The examinations required for certification as a Concrete Field Testing Technician--Grade I cover physical testing of fresh concrete in accordance with standard methods of the American Society for Testing and Materials (ASTM). The following procedures are covered:

  1. Sampling (ASTM C 172)
  2. Slump test (ASTM C 143)
  3. Unit weight test (ASTM C 138)
  4. Air content test, pressure method (ASTM C 231)
  5. Air content test, volumetric method (ASTM C 173)
  6. Making cylinders (ASTM C 31)
  7. Temperature test

Qualifying to receive an ACI certificate requires performing all the test correctly in the practical exam and successfully completing the written exam.

More about American Concrete Institute
Find products, contact information and articles about American Concrete Institute