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ASTM International - ASTM C876-09

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

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Organization: ASTM International
Publication Date: 1 April 2009
Status: inactive
Page Count: 7
ICS Code (Steels for reinforcement of concrete): 77.140.15
significance And Use:

This test method is suitable for in-service evaluation and for use in research and development work.

This test method is applicable to members regardless of their size or the depth of... View More

scope:

1.1 This test method covers the estimation of the electrical corrosion potential of uncoated reinforcing steel in field and laboratory concrete, for the purpose of determining the corrosion activity of the reinforcing steel.

1.2 This test method is limited by electrical circuitry. Concrete surface in building interiors and desert environments lose sufficient moisture so that the concrete resistivity becomes so high that special testing techniques not covered in this test method may be required (see 5.1.4.1). Concrete surfaces that are coated or treated with sealers may not provide an acceptable electrical circuit. The basic configuration of the electrical circuit is shown in Fig. 1.

1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered 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.


FIG. 1 Reference Electrode Circuitry

Document History

November 1, 2015
Standard Test Method for Corrosion Potentials of Uncoated Reinforcing Steel in Concrete
4.1 This test method is suitable for in-service evaluation and for use in research and development work. 4.2 This test method is applicable to members regardless of their size or the depth of...
ASTM C876-09
April 1, 2009
Standard Test Method for Corrosion Potentials of Uncoated Reinforcing Steel in Concrete
1.1 This test method covers the estimation of the electrical corrosion potential of uncoated reinforcing steel in field and laboratory concrete, for the purpose of determining the corrosion activity...
January 1, 1999
Standard Test Method for Half-Cell Potentials of Uncoated Reinforcing Steel in Concrete (Withdrawn 2008)
1.1 This test method covers the estimation of the electrical half-cell potential of uncoated reinforcing steel in field and laboratory concrete, for the purpose of determining the corrosion activity...
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