ASTM-C876 2022

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C876-22 Standard Test Method for Corrosion Potentials of Uncoated Reinforcing Steel in Concrete

Published By	Publication Date	Number of Pages
ASTM	2022

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Categories: 77.140.15 - Steels for reinforcement of concrete, ASTM

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Description

ASTM C876-22

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

ASTM C876

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.

FIG. 1 Reference Electrode Circuitry

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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Keywords

concrete-corrosion activity; concrete-corrosion of reinforcing steel; corrosion; corrosion activity; corrosion potentials;

ICS Code

ICS Number Code 77.140.15 (Steels for reinforcement of concrete)

DOI: 10.1520/C0876-22

Additional information

Standard Title	C876-22 Standard Test Method for Corrosion Potentials of Uncoated Reinforcing Steel in Concrete
Published Code	ASTM
Publication Date	2022
ICS Codes	77.140.15 - Steels for reinforcement of concrete