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3 cards from this section. Quick, good the night before a test.
What does AAR stand for?
Think about the components involved in concrete.
Name one type of AAR.
There are two main types; one involves silica and the other involves carbonate.
What causes Alkali-Aggregate Reaction?
Focus on the key materials involved.
True or False: The Alkali-Silica Reaction is less common than the Alkali-Carbonate Reaction.
Think about which type is frequently discussed in concrete chemistry.
Design a concrete mix using pozzolanic materials and low-alkali cement to minimize AAR risks. Explain your reasoning.
Consider the proportions of each component in your design.
Evaluate the impact of environmental conditions on AAR in concrete structures. Discuss how changes in humidity or temperature influence this reaction.
Think about the relationship between moisture and expansion in AAR.
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