ASTM G109-99a(2005)
Standard Test Method for Determining the Effects of Chemical Admixtures on the Corrosion of Embedded Steel Reinforcement in Concrete Exposed to Chloride Environments

Standard No.

ASTM G109-99a(2005)

Release Date

1999

Published By

American Society for Testing and Materials (ASTM)

Status

Be replaced

Replace By

ASTM G109-07

Latest

ASTM G109-23

Scope

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

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

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, 2, 3, 4).⁴ 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).

1.1 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 the standard. The inch-pound units in parentheses are provided for information only.

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.

ASTM G109-99a(2005) Referenced Document

• ASTM C150 Standard Specification for Portland Cement
• ASTM C231 Standard Test Method for Air Content of Freshly Mixed Concrete by the Pressure Method
• ASTM C33 Standard Specification for Concrete Aggregates
• ASTM C511 Standard Specification for Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the Testing of Hydraulic Cements and Concretes
• ASTM C876 Standard Test Method for Half-Cell Potentials of Uncoated Reinforcing Steel in Concrete
• ASTM D448 Standard Classification for Sizes of Aggregate for Road and Bridge Construction
• ASTM D632 Standard Specification for Sodium Chloride*， 2001-06-10 Update
• ASTM E177 Standard Practice for Use of the Terms Precision and Bias in ASTM Test Methods
• ASTM E691 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
• ASTM G15 Standard Terminology Relating to Corrosion and Corrosion Testing
• ASTM G3 Standard Practice for Conventions Applicable to Electrochemical Measurements in Corrosion Testing
• ASTM G33 Standard Practice for Recording Data from Atmospheric Corrosion Tests of Metallic-Coated Steel Specimens*， 2020-11-01 Update
• ASTM G46 Standard Guide for Examination and Evaluation of Pitting Corrosion*， 2018-10-01 Update
• SSPC SP 5 White Metal Blast Cleaning*， 2007-01-01 Update

ASTM G109-99a(2005) history

• 2023 ASTM G109-23 Standard Test Methods for Determining Effects of Chemical Admixtures on Corrosion of Embedded Steel Reinforcement in Concrete Exposed to Chloride Environments
• 2021 ASTM G109-21 Standard Test Methods for Determining Effects of Chemical Admixtures on Corrosion of Embedded Steel Reinforcement in Concrete Exposed to Chloride Environments
• 2007 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
• 2007 ASTM G109-07 Standard Test Method for Determining Effects of Chemical Admixtures on Corrosion of Embedded Steel Reinforcement in Concrete Exposed to Chloride Environments
• 1999 ASTM G109-99a(2005) Standard Test Method for Determining the Effects of Chemical Admixtures on the Corrosion of Embedded Steel Reinforcement in Concrete Exposed to Chloride Environments
• 1999 ASTM G109-99ae1 Standard Test Method for Determining the Effects of Chemical Admixtures on the Corrosion of Embedded Steel Reinforcement in Concrete Exposed to Chloride Environments