ASTM C 173/C 173M Standard Test Method for Air Content of Freshly Mixed Concrete by the Volumetric Method

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ASTM C 173/C 173M Document Information:

Title
Standard Test Method for Air Content of Freshly Mixed Concrete by the Volumetric Method

ASTM International

Publication Date:
Mar 1, 2008

Scope:

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.

The values stated in either inch-pound or SI units shall be regarded separately as standard. The SI units are shown in brackets. The values stated are not exact equivalents; therefore each system must be used independently of the other. Combining values from the two units may result in nonconformance.

This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.(Warning—Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin and tissue upon prolonged exposure.²)

*A Summary of Changes section appears at the end of this standard.

² Section on Safety Precautions, Manual of Aggregate and Concrete Testing, Annual Book of ASTM Standards, Vol 04.02.

Keywords:

air content

calibration

concrete

correction factor

freshly mixed concrete

measuring bowl

meter

volumetric method

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