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2 cards from this section. Quick, good the night before a test.
What does toughness in aggregates mean?
Think about what happens to materials under shock.
What is the test used to measure toughness?
The name of the test starts with A.
What does toughness in aggregates define?
Think about what happens during a collision.
True or False: The AIV should be greater than 30% for surfacing aggregates.
Recall the specified standard we discussed.
An aggregate has an AIV of 25%. Discuss what this means for its use in road surfacing.
Consider the importance of impact resistance in the long-term performance of the pavement.
Compare the toughness requirements for aggregates used in highway construction versus city roads.
Think about the differences in traffic between highways and urban areas.
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