Standard Historical Last Updated: Dec 31, 2010 Track Document
ASTM C1074-04

Standard Practice for Estimating Concrete Strength by the Maturity Method

Standard Practice for Estimating Concrete Strength by the Maturity Method C1074-04 ASTM|C1074-04|en-US Standard Practice for Estimating Concrete Strength by the Maturity Method Standard new BOS Vol. 04.02 Committee C09
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Significance and Use

This practice can be used to estimate the in-place strength of concrete to allow the start of critical construction activities such as: (1) removal of formwork and reshoring; (2) post-tensioning of tendons; (3) termination of cold weather protection; and (4) opening of the roadways to traffic.

This practice can be used to estimate strength of laboratory specimens cured under non-standard temperature conditions.

The major limitations of the maturity method are: (1) the concrete must be maintained in a condition that permits cement hydration; (2) the method does not take into account the effects of early-age concrete temperature on the long-term strength; and (3) the method needs to be supplemented by other indications of the potential strength of the concrete mixture.

The accuracy of the estimated strength depends, in part, on determining the appropriate maturity function for the particular concrete mixture.


1.1 This practice provides a procedure for estimating concrete strength by means of the maturity method. The maturity index is expressed either in terms of the temperature-time factor or in terms of the equivalent age at a specified temperature.

1.2 This practice requires establishing the strength-maturity relationship of the concrete mixture in the laboratory and recording the temperature history of the concrete for which strength is to be estimated.

1.3 The values stated in SI units are to be regarded as the 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 and health 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.)

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Book of Standards Volume: 04.02
Developed by Subcommittee: C09.64
Pages: 9
DOI: 10.1520/C1074-04
ICS Code: 91.100.30