Standard Historical Last Updated: Dec 31, 2010 Track Document
ASTM G180-04

Standard Test Method for Initial Screening of Corrosion Inhibiting Admixtures for Steel in Concrete

Standard Test Method for Initial Screening of Corrosion Inhibiting Admixtures for Steel in Concrete G0180-04 ASTM|G0180-04|en-US Standard Test Method for Initial Screening of Corrosion Inhibiting Admixtures for Steel in Concrete Standard new BOS Vol. 03.02 Committee G01
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Significance and Use

This test method provides a means for assessing corrosion-inhibiting concrete admixtures.

This test method is useful for development of admixtures intended to reduce corrosion of reinforcing steel in concrete.

This test method is useful in determining the corrosivity of admixtures toward steel reinforcing if the admixture sample is compared to a control without admixtures.

Good performance, a reduction in corrosion rate versus chloride alone by at least one order of magnitude in this test, is a strong indication that an admixture is a corrosion inhibitor. However, poor performance requires additional testing to determine if the admixture improves corrosion resistance.

This method is a screening test and shall not be used to predict performance in the field. However, it is useful to determine which admixtures shall be included into long-term evaluation programs.

The filtering process makes this test not suitable for the evaluation of emulsions.

Scope

1.1 This test method describes 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 by themselves or in a chloride environment. This test is not applicable for emulsions.

1.2 Units—The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

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.

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Details
Book of Standards Volume: 03.02
Developed by Subcommittee: G01.14
Pages: 6
DOI: 10.1520/G0180-04
ICS Code: 77.140.15