15.2.2. Components of Superpave System

Try these first

1. 1.

   What does PG stand for in the Superpave Binder Specification?

   Hint

   Think about what performance relates to in construction.

2. 2.

   Name one property considered in Superpave Aggregate Specifications.

   Hint

   Think about the shape of the aggregates.

3. 3.

   What does the PG in Performance-Graded Binder represent?

   • Performance Graded
   • Pavement Grade
   • Performance Gauge

   Hint

   Focus on what PG stands for in construction terms.

4. 4.

   True or False: The Superpave system does not consider temperature when grading asphalt binders.

   • True
   • False

   Hint

   Think about the specifications and their purposes.

5. 5.

   Design a Superpave mixture for a region that experiences temperatures from -10°C to 50°C. Discuss how you would select the binder and aggregates.

   Hint

   Consider how temperature extremes influence material selection.

6. 6.

   Evaluate the impact of poor aggregate gradation on the performance of pavements. What might be the long-term consequences?

   Hint

   Think about the effects of loose aggregates in a mix.