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2 cards from this section. Quick, good the night before a test.
What are aggregates?
Think of common materials like sand and gravel.
Why is aggregate strength important?
Consider what happens when heavy vehicles drive over a pavement.
What is the primary role of aggregates in pavements?
Think about what happens when vehicles drive over.
True or False: Aggregates need to be tested for physical properties before use.
Consider what could happen if you skip this step.
Evaluate a scenario where low-quality aggregates are used in a pavement. What types of tests would you recommend to check their adequacy?
Consider which properties would be most critical for long-term performance.
Discuss how environmental conditions might affect the choice and testing of aggregates.
Think about how aggregates behave in wet versus dry conditions.
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