ASTM-C31 › Historical Revision Information
Standard Practice for Making and Curing Concrete Test Specimens in the Field
The following bibliographic material is provided to assist you with your purchasing decision:
Scope
1.1 This practice covers procedures for making and curing cylinder and 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 measurable slump or requiring other sizes or 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.
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.
1.4 The text of this standard references notes which provide explanatory material. These notes shall not be considered as requirements of the standard.
Significance and Use
This practice provides standardized requirements for making, curing, protecting, and transporting concrete test specimens under field conditions.
If the specimens are made and standard cured, as stipulated herein, the resulting strength test data when the specimens are tested are able to be used for the following purposes:
4.2.1 Acceptance testing for specified strength,
4.2.2 Checking adequacy of mixture proportions for strength, and
4.2.3 Quality control.
If the specimens are made and field cured, as stipulated herein, the resulting strength test data when the specimens are tested are able to be used for the following purposes:
4.3.1 Determination of whether a structure is capable of being put in service,
4.3.2 Comparison with test results of standard cured specimens or with test results from various in-place test methods,
4.3.3 Adequacy of curing and protection of concrete in the structure, or
4.3.4 Form or shoring removal time requirements.
Keywords
beams; casting samples; concrete; curing; cylinders; testing
To find similar documents by ASTM Volume:
04.02 (Concrete and Aggregates)
To find similar documents by classification:
91.100.30 (Concrete and concrete products Including admixtures)
This document comes with our free Notification Service, good for the life of the document.
This document is available in either Paper or PDF format.
Document Number
ASTM-C31/C31M-06
Revision Level
2006 EDITION
Status
Superseded
Modification Type
Revision
Publication Date
Aug. 1, 2006
Document Type
Practice
Page Count
6 pages
Committee Number
C09.61