The FHWA has published an alkali-aggregate facts book (FHWA-HIF-13-019). 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.
Alkali-Aggregate Reactivity (AAR) Facts Book
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