This test method covers chemical determination of the reactivity of an as-received fine and coarse aggregate in terms of measuring composite activation energy of alkali–silica reaction (ASR), where aggregate reacts with an alkaline solution having chemistry similar to the pore solution chemistry of a conventional portland cement concrete.
AASHTO T 364-22
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Standard Method of Test for Determination of Composite Activation Energy of Aggregates due to Alkali-Silica Reaction (Chemical Method)
American Association of State Highway and Transportation Officials , 2022