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ASTM C138/C138M-07

Historical Revision

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

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1.1 This test method covers determination of the density (see Note 1) 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.

1.2 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 might not be exact equivalents; therefore each system must be used independently of the other.

Note 0

Unit weight was the previous terminology used to describe the property determined by this test method, which is mass per unit volume.

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


SDO ASTM: ASTM International
Document Number C138
Publication Date Aug. 15, 2007
Language en - English
Page Count 4
Revision Level 07
Supercedes
Committee C09.60
Publish Date Document Id Type View
July 1, 2024 C0138_C0138M-24A Revision
June 15, 2024 C0138_C0138M-24 Revision
Aug. 1, 2023 C0138_C0138M-23 Revision
March 15, 2017 C0138_C0138M-17A Revision
Feb. 1, 2017 C0138_C0138M-17 Revision
Aug. 1, 2016 C0138_C0138M-16A Revision
Feb. 1, 2016 C0138_C0138M-16 Revision
Aug. 1, 2014 C0138_C0138M-14 Revision
Oct. 1, 2013 C0138_C0138M-13A Revision
May 1, 2013 C0138_C0138M-13 Revision
Dec. 1, 2012 C0138_C0138M-12A Revision
May 1, 2012 C0138_C0138M-12 Revision
Oct. 1, 2010 C0138_C0138M-10B Revision
July 1, 2010 C0138_C0138M-10A Revision
June 15, 2010 C0138_C0138M-10 Revision
June 1, 2009 C0138_C0138M-09 Revision
March 1, 2008 C0138_C0138M-08 Revision
Aug. 15, 2007 C0138_C0138M-07 Revision
March 10, 2001 C0138_C0138M-01A Revision