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ASTM C231 – Standard Test Method for Air Content of Freshly Mixed Concrete by the Pressure Method


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


air content; calibration; concrete; correction factor; measuring bowl; meter; pressure; pump; unit weight

ASTM C231 Accredited Laboratory

Applied Testing & Geosciences, LLC is accredited for performing tests using the ASTM C231 standard.

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