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UNGÜLTIG ASTM G109-99a(2005) 1.5.2005 Ansicht

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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 (Includes all amendments And changes 12/31/2010).

Automatische name übersetzung:

Standard Test Methode zur Bestimmung der Auswirkungen chemischer Zusatzmittel auf die Korrosion von Embedded Stahlarmierung in Beton , um Chloride Umgebungen ausgesetzt

NORM herausgegeben am 1.5.2005

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Informationen über die Norm:

Bezeichnung normen: ASTM G109-99a(2005)
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.5.2005
SKU: NS-57258
Zahl der Seiten: 6
Gewicht ca.: 18 g (0.04 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM

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Die Annotation des Normtextes ASTM G109-99a(2005) :

Keywords:

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

Ergänzende Informationen

Significance and Use

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. Scope

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.

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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