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2 cards from this section. Quick, good the night before a test.
What does PG stand for in binder selection?
Think about what the purpose of such grades might relate to.
Why is performance-based selection important?
Consider pavement durability.
What does PG stand for?
Focus on the significance of grade in material performance.
True or False: Performance-based selection only considers laboratory performance.
Think about how we choose materials based on actual scenarios.
You are designing a pavement for a region with high temperatures and heavy traffic. Which PG grade would you advise selecting, and why?
Think about the extreme temperatures the material must face.
Evaluate the potential pitfalls of using an older bitumen grading system in modern pavement design.
Consider how material performance has changed over time.
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