ASTM C231 / C231M Standard Test Method for Air Content of Freshly Mixed Concrete by the Pressure Method -- eLearning Course

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Price: $115
About the Course

This course covers determination of the air content of freshly mixed concrete from observation of the change in volume of concrete with a change in pressure.

The course takes approximately 1 hour to complete and includes instructional video content, interactive knowledge checks, and a self-grading quiz. Downloadable resources include a pdf of the standard.

Learning Outcomes

By the end of this course you will be able to:

  • Describe the Air Meters, Types A and B, and related apparatus required for determination of air content by the pressure method.
  • Recall the steps for determination of aggregate correction factor.
  • Identify the requirements for preparation of concrete test sample in accordance with ASTM practices.
  • Recall the procedure for determining air content of concrete by the pressure method.
  • Identify the calculations and reporting requirements for air content of sample tested.


Anyone who runs the C231 test method or who needs an understanding of the test method and how it is properly run.

Certificate and CEUs

CEUs: .1 or 1 PDH

Certificate: A certificate is available upon successful completion of the course and an 80% or higher score on the exam.

ASTM Standards Referenced


Related Products

This training course is part of the following eLearning programs:


1 year online subscription for a Single User Only via username/password. Requires internet access.

For pricing for Multi-User access or for more information, please contact sales here or call 1-877-909-ASTM.

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