ASTM C666 / C666M - 03(2008)

    Standard Test Method for Resistance of Concrete to Rapid Freezing and Thawing

    Active Standard ASTM C666 / C666M | Developed by Subcommittee: C09.67

    Book of Standards Volume: 04.02

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    Significance and Use

    As noted in the scope, the two procedures described in this test method are intended to determine the effects of variations in both properties and conditioning of concrete in the resistance to freezing and thawing cycles specified in the particular procedure. Specific applications include specified use in Specification C 494/C 494M, Test Method C 233, and ranking of coarse aggregates as to their effect on concrete freeze-thaw durability, especially where soundness of the aggregate is questionable.

    It is assumed that the procedures will have no significantly damaging effects on frost-resistant concrete which may be defined as (1) any concrete not critically saturated with water (that is, not sufficiently saturated to be damaged by freezing) and (2) concrete made with frost-resistant aggregates and having an adequate air-void system that has achieved appropriate maturity and thus will prevent critical saturation by water under common conditions.

    If as a result of performance tests as described in this test method concrete is found to be relatively unaffected, it can be assumed that it was either not critically saturated, or was made with sound aggregates, a proper air-void system, and allowed to mature properly.

    No relationship has been established between the resistance to cycles of freezing and thawing of specimens cut from hardened concrete and specimens prepared in the laboratory.

    1. Scope

    1.1 This test method covers the determination of the resistance of concrete specimens to rapidly repeated cycles of freezing and thawing in the laboratory by two different procedures: Procedure A, Rapid Freezing and Thawing in Water, and Procedure B, Rapid Freezing in Air and Thawing in Water. Both procedures are intended for use in determining the effects of variations in the properties of concrete on the resistance of the concrete to the freezing-and-thawing cycles specified in the particular procedure. Neither procedure is intended to provide a quantitative measure of the length of service that may be expected from a specific type of concrete.

    1.2 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.

    1.3 All material in this test method not specifically designated as belonging to Procedure A or Procedure B applies to either procedure.

    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.

    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    C157/C157M Test Method for Length Change of Hardened Hydraulic-Cement Mortar and Concrete

    C192/C192M Practice for Making and Curing Concrete Test Specimens in the Laboratory

    C215 Test Method for Fundamental Transverse, Longitudinal, and Torsional Resonant Frequencies of Concrete Specimens

    C233 Test Method for Air-Entraining Admixtures for Concrete

    C295 Guide for Petrographic Examination of Aggregates for Concrete

    C341/C341M Practice for Length Change of Cast, Drilled, or Sawed Specimens of Hydraulic-Cement Mortar and Concrete

    C490 Practice for Use of Apparatus for the Determination of Length Change of Hardened Cement Paste, Mortar, and Concrete

    C494/C494M Specification for Chemical Admixtures for Concrete

    C670 Practice for Preparing Precision and Bias Statements for Test Methods for Construction Materials

    C823 Practice for Examination and Sampling of Hardened Concrete in Constructions

    ICS Code

    ICS Number Code 91.100.30 (Concrete and concrete products)

    UNSPSC Code

    UNSPSC Code 30111500(Concrete and mortars)

    Referencing This Standard

    DOI: 10.1520/C0666_C0666M-03R08

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM C666 / C666M-03(2008), Standard Test Method for Resistance of Concrete to Rapid Freezing and Thawing, ASTM International, West Conshohocken, PA, 2008,

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