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ASTM C138 – Standard Test Method for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete


This test method covers determination of the density of freshly mixed concrete and gives formulas for calculating the yield, cement content, and air content of the concrete.

Yield is defined as the volume of concrete produced from a mixture of known quantities of the component materials.


air content; cement content; concrete; relative yield; unit weight; yield

ASTM C138 Accredited Laboratory

Applied Testing & Geosciences, LLC is accredited for performing tests using the ASTM C138 standard.

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