This test method covers determination of the air content of freshly mixed concrete containing any type of aggregate, whether it be dense, cellular, or lightweight.
AASHTO T 196M/T 196-11 (2019)
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Standard Method of Test for Air Content of Freshly Mixed Concrete by the Volumetric Method (ASTM Designation: C 173/C 173M-10)
American Association of State Highway and Transportation Officials , 2011