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ASTM C31/C31M-03a

Historical Revision

Standard Practice for Making and Curing Concrete Test Specimens in the Field

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1.1 This practice covers procedures for making and curing cylindrical and prismatic beam specimens from representative samples of fresh concrete for a construction project.

1.2 The concrete used to make the molded specimens shall be sampled after all on-site adjustments have been made to the mixture proportions, including the addition of mix water and admixtures. This practice is not satisfactory for making specimens from concrete not having a measurable slump or requiring other sizes and shapes of specimens.

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

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 and health practices and determine the applicability of regulatory limitations prior to use.

1.5 The text of this standard references notes which provide explanatory material. These notes shall not be considered as requirements of the standard.


SDO ASTM: ASTM International
Document Number C31
Publication Date Feb. 10, 2003
Language en - English
Page Count 5
Revision Level 03a
Supercedes
Committee C09.61
Publish Date Document Id Type View
Dec. 1, 2024 C0031_C0031M-24C Revision
June 1, 2024 C0031_C0031M-24B Revision
April 1, 2024 C0031_C0031M-24A Revision
Jan. 1, 2024 C0031_C0031M-24 Revision
June 1, 2023 C0031_C0031M-23 Revision
Aug. 1, 2022 C0031_C0031M-22 Revision
May 15, 2021 C0031_C0031M-21A Revision
March 1, 2021 C0031_C0031M-21 Revision
Dec. 15, 2019 C0031_C0031M-19A Revision
Jan. 1, 2019 C0031_C0031M-19 Revision
Aug. 1, 2018 C0031_C0031M-18B Revision
March 15, 2018 C0031_C0031M-18A Revision
Jan. 1, 2018 C0031_C0031M-18 Revision
June 15, 2017 C0031_C0031M-17 Revision
Nov. 15, 2015 C0031_C0031M-15AE01 Revision
Nov. 15, 2015 C0031_C0031M-15A Revision
July 1, 2015 C0031_C0031M-15 Revision
July 1, 2012 C0031_C0031M-12 Revision
Oct. 1, 2010 C0031_C0031M-10 Revision
May 1, 2009 C0031_C0031M-09 Revision
Dec. 15, 2008 C0031_C0031M-08B Revision
April 1, 2008 C0031_C0031M-08A Revision
Feb. 1, 2008 C0031_C0031M-08 Revision
Aug. 1, 2006 C0031_C0031M-06 Revision
Feb. 10, 2003 C0031_C0031M-03A Revision
Jan. 10, 2003 C0031_C0031M-03 Revision
Aug. 10, 2000 C0031_C0031M-00E01 Revision
Aug. 10, 2000 C0031_C0031M-00 Revision