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ASTM G109-21

Standard Test Methods for Determining Effects of Chemical Admixtures on Corrosion of Embedded Steel Reinforcement in Concrete Exposed to Chloride Environments

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NORMA vydána dne 15.12.2021

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Provedení	PDF - okamžité stažení - 2 010.10 Kč Tištěné - 2 010.10 Kč
Dostupnost	SKLADEM
Cena	2010.10 Kč bez DPH
2 010.10 Kč

Informace o normě:

Označení normy: ASTM G109-21
Poznámka: NEPLATNÁ
Datum vydání normy: 15.12.2021
Kód zboží: NS-1046325
Počet stran: 6
Přibližná hmotnost: 18 g (0.04 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM

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Anotace textu normy ASTM G109-21 :

Keywords:

admixtures, concrete, corrosion, corrosivity, inhibitor, reinforcing steel,, ICS Number Code 91.080.40 (Concrete structures)

Doplňující informace

Significance and Use

3.1?These test methods provide a reliable means for predicting the inhibiting or corrosive properties of admixtures to be used in concrete.

3.2?The total integrated (coulombs) current is calculated to provide an indication of the corrosion that occurs due to the macrocell corrosion.

3.3?These test methods are useful for development studies of corrosion inhibitors to be used in concrete.

3.4?These test methods have been used elsewhere with good agreement between corrosion as measured by these test methods and corrosion damage on the embedded steel (1.1?These test methods cover a procedure for determining the effects of chemical admixtures on the corrosion of metals in concrete. These test methods 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 standard. The values given in parentheses after SI units are provided for information only and are not considered 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4?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.

2. Referenced Documents

C511-21	Standard Specification for Mixing Rooms, Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the Testing of Hydraulic Cements and Concretes
C231-09	Standard Test Method for Air Content of Freshly Mixed Concrete by the Pressure Method
C192/C192M-19	Standard Practice for Making and Curing Concrete Test Specimens in the Laboratory
C173/C173M-24	Standard Test Method for Air Content of Freshly Mixed Concrete by the Volumetric Method
C150-07	Standard Specification for Portland Cement
C143/C143M-20	Standard Test Method for Slump of Hydraulic-Cement Concrete
C33-07	Standard Specification for Concrete Aggregates
A615/A615M-22	Standard Specification for Deformed and Plain Carbon-Steel Bars for Concrete Reinforcement
C881/C881M-20a	Standard Specification for Epoxy-Resin-Base Bonding Systems for Concrete (Includes all amendments and changes 10/14/2020).
G15-08	Standard Terminology Relating to Corrosion and Corrosion Testing (Withdrawn 2010)
G3-14(2019)	Standard Practice for Conventions Applicable to Electrochemical Measurements in Corrosion Testing
E691-23	Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
E177-20	Standard Practice for Use of the Terms Precision and Bias in ASTM Test Methods
D632-12(2020)e1	Standard Specification for Sodium Chloride (Includes all amendments and changes 12/11/2020).
D448-12(2022)	Standard Classification for Sizes of Aggregate for Road and Bridge Construction
C1152/C1152M-20	Standard Test Method for Acid-Soluble Chloride in Mortar and Concrete
SSPC-SP 5/NACE No. 1	White Metal Blast Cleaning
C876-22b	Standard Test Method for Corrosion Potentials of Uncoated Reinforcing Steel in Concrete (Includes all amendments and changes 10/11/2022).
G33-99(2020)	Standard Practice for Recording Data from Atmospheric Corrosion Tests of Metallic-Coated Steel Specimens
G46-21	Standard Guide for Examination and Evaluation of Pitting Corrosion

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