ASTM-C876 2009

$40.63

C876-09 Standard Test Method for Corrosion Potentials of Uncoated Reinforcing Steel in Concrete

Published By	Publication Date	Number of Pages
ASTM	2009	7

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Categories: 77.140.15 - Steels for reinforcement of concrete, ASTM

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Description

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

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PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Significance and Use
2	Apparatus FIG. 1 FIG. 2
3	Calibration and Standardization Procedure
5	Recording Corrosion Potential Values Data Presentation Interpretation of Results (See Refs Report FIG. 3
6	Precision and Bias Keywords X1. NOTES ON THE CORROSION POTENTIAL TEST X1.1 Numeric Magnitude Technique X1.2 Potential Difference Technique REFERENCES

Additional information

Standard Title	C876-09 Standard Test Method for Corrosion Potentials of Uncoated Reinforcing Steel in Concrete
Published Code	ASTM
Publication Date	2009
Pages Count	7
ICS Codes	77.140.15 - Steels for reinforcement of concrete

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ASTM-C876 2009

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