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Publication Details

Alkali-Aggregate Reactivity (AAR) Facts Book

General Interest: provides practical guidance to engineers responsible for the day-to-day design, construction, rehabilitation, maintenance, and management of pavements.

Primary Topic: Materials-Concrete

Description: This document provides detailed information on alkali-aggregate reactivity (AAR). It primarily discusses alkali-silica reaction (ASR), covering the chemistry, symptoms, test methods, prevention, specifications, diagnosis and prognosis, and mitigation. Alkali-carbonate reaction (ACR) is also addressed.

FHWA Publication Number: FHWA-HIF-13-019

Publication Year: 2013

Document Links: PDF (file size: 11 mb)

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Updated: 07/26/2011
 

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United States Department of Transportation - Federal Highway Administration