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3 cards from this section. Quick, good the night before a test.
What does the Elastic Recovery Test measure?
Think about how bitumen responds after being stressed.
Why is polymer-modified bitumen used?
Consider what polymers help with.
What does the Elastic Recovery Test indicate about bitumen?
Focus on what the test is designed to assess.
True or False: Lower recovery rates indicate better performance of bitumen in pavement applications.
Think about what the recovery rate signifies.
If a bitumen sample recovers 60% after being stretched, what might this imply regarding its performance in a hot climate under heavy traffic?
Consider how heat affects materials and their recoverability.
Compare two bitumen formulations: one has a recovery rate of 90%, while the other is 70%. Discuss the implications for each in road construction.
Focus on how recovery rates directly influence material performance.
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