Standard Historical Last Updated: Feb 27, 2013 Track Document
ASTM C566-97(2004)

Standard Test Method for Total Evaporable Moisture Content of Aggregate by Drying

Standard Test Method for Total Evaporable Moisture Content of Aggregate by Drying C0566-97R04 ASTM|C0566-97R04|en-US Standard Test Method for Total Evaporable Moisture Content of Aggregate by Drying Standard new BOS Vol. 04.02 Committee C09
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Significance and Use

This test method is sufficiently accurate for usual purposes, such as adjusting batch quantities of ingredients for concrete. It will generally measure the moisture in the test sample more reliably than the sample can be made to represent the aggregate supply. In cases where the aggregate itself is altered by heat, or where more refined measurement is required, the test should be conducted using a ventilated, controlled temperature oven.

Large particles of coarse aggregate, especially those larger than 50 mm (2 in.), will require greater time for the moisture to travel from the interior of the particle to the surface. The user of this test method should determine by trial if rapid drying methods provide sufficient accuracy for the intended use when drying large size particles.

Scope

1.1 This test method covers the determination of the percentage of evaporable moisture in a sample of aggregate by drying, both surface moisture and moisture in the pores of the aggregate. Some aggregate may contain water that is chemically combined with the minerals in the aggregate. Such water is not evaporable and is not included in the percentage determined by this test method.

1.2 The values stated in SI units are to be regarded as the standard. The values stated in parentheses are provided for information only.

1.3 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. For specific precautionary statements, see 5.3.1, 7.2.1, and 7.3.1.

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Details
Book of Standards Volume: 04.02
Developed by Subcommittee: C09.20
Pages: 3
DOI: 10.1520/C0566-97R04
ICS Code: 91.100.01