ASTM C 1778 : 2023
Current
The latest, up-to-date edition.
Standard Guide for Reducing the Risk of Deleterious Alkali-Aggregate Reaction in Concrete
Hardcopy , PDF
English
04-01-2024
Committee |
C 09
|
DocumentType |
Guide
|
Pages |
13
|
PublisherName |
American Society for Testing and Materials
|
Status |
Current
|
Supersedes |
1.1This guide provides guidance on how to address the potential for deleterious alkali aggregate reaction (AAR) in concrete construction. This guide addresses the process of identifying both potentially alkali-silica reactive (ASR) and alkali-carbonate reactive (ACR) aggregates through standardized testing procedures and the selection of mitigation options to minimize the risk of expansion when ASR aggregates are used in concrete construction. Mitigation methods for ASR aggregates are selected using either prescriptive or performance-based alternatives. Preventive measures for ACR aggregates are limited to avoidance of use. Because the potential for deleterious reactions depends not only on the concrete mixture but also the in-service exposure, guidance is provided on the type of structures and exposure environments where AAR may be of concern.
1.2Units—The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the standard.
1.3This 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.
1.4This 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.
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ASTM C 823/C823M : 2012 : R2017 | Standard Practice for Examination and Sampling of Hardened<brk/> Concrete in Constructions |
ASTM C 1293/C1293M : 2023 : REV A | Standard Test Method for Determination of Length Change of Concrete Due to Alkali-Silica Reaction |
ASTM C 219 : 2020 : REV A | Standard Terminology Relating to Hydraulic and Other Inorganic Cements |
ASTM C 311/C311M : 2022 | Standard Test Methods for Sampling and Testing Fly Ash or Natural Pozzolans for Use in Portland-Cement Concrete |
ASTM C 33/C33M : 2024 | Standard Specification for Concrete Aggregates |
ASTM C 1105 : 2023 : REV A | Standard Test Method for Length Change of Concrete Due to Alkali-Carbonate Rock Reaction |
ASTM C 311/C311M : 2024 | Standard Test Methods for Sampling and Testing Coal Ash or Natural Pozzolans for Use in Concrete |
ASTM C 33/C33M : 2024 : REV A | Standard Specification for Concrete Aggregates |
ASTM C 1260 : 2022 | Standard Test Method for Potential Alkali Reactivity of Aggregates (Mortar-Bar Method) |
ASTM C 114 : 2024 | Standard Test Methods for Chemical Analysis of Hydraulic Cement |
ASTM C 114 : 2023 | Standard Test Methods for Chemical Analysis of Hydraulic Cement |
ASTM C 595/C595M : 2024 | Standard Specification for Blended Hydraulic Cements |
ASTM C 125 : 2021 : REV A | Standard Terminology Relating to Concrete and Concrete Aggregates |
ASTM C 823/C823M : 2024 | Standard Practice for Examination and Sampling of Hardened<brk/> Concrete in Constructions |
ASTM C 989/C989M : 2024 | Standard Specification for Slag Cement for Use in Concrete and Mortars |
ASTM C 294 : 2019 | Standard Descriptive Nomenclature for Constituents of Concrete Aggregates |
ASTM C 294 : 2024 | Standard Descriptive Nomenclature for Constituents of Concrete Aggregates |
ASTM C 989/C989M : 2022 | Standard Specification for Slag Cement for Use in Concrete and Mortars |
ASTM C 219 : 2024 | Standard Terminology Relating to Hydraulic and Other Inorganic Cements |
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