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Homepage>ASTM Standards>91>91.100>91.100.30>ASTM C1849_C1849M-23 - Standard Test Method for Density and Air Content (Pressure Method) of Freshly Mixed Roller-Compacted Concrete
Released: 01.12.2023

ASTM C1849_C1849M-23 - Standard Test Method for Density and Air Content (Pressure Method) of Freshly Mixed Roller-Compacted Concrete

Standard Test Method for Density and Air Content (Pressure Method) of Freshly Mixed Roller-Compacted Concrete

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Standard number:C1849_C1849M-23
Released:01.12.2023
Status:Active
Pages:6
Section:04.02
Keywords:air content; calibration; correction factor; density; measuring bowl; meter; pressure; RCC; roller-compacted concrete; unit weight;
DESCRIPTION

1.1 This test method covers the determination of density and air content of freshly mixed roller-compacted concrete (RCC) using the apparatus described in Test Method C231/C231M and the vibrating hammer described in Test Method C1435/C1435M.

1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.

Note 1: Sieve size is identified by its standard designation in Specification E11. The alternative designation given in parentheses is for information only and does not represent a different standard sieve size.

1.3 The text of this test method references notes and footnotes that provide explanatory information. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of this standard.

1.4 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, health, and environmental 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

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.