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ASTM C231/C231M-22 Standard test method for air content of freshly mixed concrete by the pressure method

Publication Year

2022

Document Status

Withdrawn

Abstract

Test method covering determination of the air content of freshly mixed concrete from observation of the change in volume of concrete with a change in pressure.

Document History

Superseded by ASTM C231/C231M-24. Supersedes ASTM C231/C231M-17a.

Publisher Information

American Society for Testing and Materials

ASTM International offers global access to standards development for over 140 participating countries.