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ACI 221.1-98

Current Revision

Report on Alkali-Aggregate Reactivity (Reapproved 2008)

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Information that is currently available on alkali-aggregate reactivity (AAR), including alkali-silica reactivity (ASR) and alkali-carbonate reactivity (ACR) is summarized in the report. Chapters are included that provide an overview of the nature of ASR and ACR reactions, means to avoid the deleterious effects of each reaction, methods of testing for potential expansion of aggregates and cement-aggregate combinations, measures to prevent deleterious reactions, and recommendations for evaluation and repair of existing structures. Keywords: aggregates; alkali-aggregate reactivity; alkali-carbonate reactivity; alkali-silica reactivity; concrete; concrete distress; concrete durability.

SDO ACI: American Concrete Institute
Document Number 221.1
Publication Date Jan. 1, 1998
Language en - English
Page Count
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Publish Date Document Id Type View
Jan. 1, 1998 ACI 221.1-98 Revision