ASTM G109 - 07(2013)

    Standard Test Method for Determining Effects of Chemical Admixtures on Corrosion of Embedded Steel Reinforcement in Concrete Exposed to Chloride Environments

    Active Standard ASTM G109 | Developed by Subcommittee: G01.14

    Book of Standards Volume: 03.02


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    Significance and Use

    3.1 This test method provides a reliable means for predicting the inhibiting or corrosive properties of admixtures to be used in concrete.

    3.2 This test method is useful for development studies of corrosion inhibitors to be used in concrete.

    3.3 This test method has been used elsewhere with good agreement between corrosion as measured by this test method and corrosion damage on the embedded steel (1-4).5 This test method might not properly rank the performance of different corrosion inhibitors, especially at concrete covers over the steel less than 40 mm (1.5 in.) or water-to-cement ratios above 0.45. The concrete mixture proportions and cover over the steel are chosen to accelerate chloride ingress. Some inhibitors might have an effect on this process, which could lead to results that would differ from what would be expected in actual use (5).

    1. Scope

    1.1 This test method covers a procedure for determining the effects of chemical admixtures on the corrosion of metals in concrete. This test method can be used to evaluate materials intended to inhibit chloride-induced corrosion of steel in concrete. It can also be used to evaluate the corrosivity of admixtures in a chloride environment.

    1.2 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.

    1.3 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

    A615/A615M Specification for Deformed and Plain Carbon-Steel Bars for Concrete Reinforcement

    C33 Specification for Concrete Aggregates

    C143/C143M Test Method for Slump of Hydraulic-Cement Concrete

    C150 Specification for Portland Cement

    C173/C173M Test Method for Air Content of Freshly Mixed Concrete by the Volumetric Method

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

    C231 Test Method for Air Content of Freshly Mixed Concrete by the Pressure Method

    C511 Specification for Mixing Rooms, Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the Testing of Hydraulic Cements and Concretes

    C876 Test Method for Corrosion Potentials of Uncoated Reinforcing Steel in Concrete

    C881/C881M Specification for Epoxy-Resin-Base Bonding Systems for Concrete

    C1152/C1152M Test Method for Acid-Soluble Chloride in Mortar and Concrete

    D448 Classification for Sizes of Aggregate for Road and Bridge Construction

    D632 Specification for Sodium Chloride

    E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods

    E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method

    G3 Practice for Conventions Applicable to Electrochemical Measurements in Corrosion Testing

    G15 Terminology Relating to Corrosion and Corrosion Testing

    G33 Practice for Recording Data from Atmospheric Corrosion Tests of Metallic-Coated Steel Specimens

    G46 Guide for Examination and Evaluation of Pitting Corrosion

    NACE Standards

    SSPC-SP5/NACENo.1 White Metal Blast Cleaning


    ICS Code

    ICS Number Code 91.080.40 (Concrete structures)

    UNSPSC Code

    UNSPSC Code 11101704(Steel)


    DOI: 10.1520/G0109

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