15.2. The Superpave Method

Try these first

1. 1.

   What does the Superpave Method focus on?

   Hint

   Think about the main purpose of the Superpave Method.

2. 2.

   What is a Performance-Graded Binder?

   Hint

   Consider how temperature affects the performance of asphalt.

3. 3.

   What does Superpave stand for?

   • Standard Pavement
   • Superior Performing Asphalt Pavements
   • Supplemental Pave Method

   Hint

   Focus on what the method promotes.

4. 4.

   True or False: The Superpave Method considers only the asphalt binder.

   • True
   • False

   Hint

   Consider what components Superpave includes.

5. 5.

   Assess the implications of choosing a binder that is not suitable for the local climate based on the Superpave Method. How might this affect maintenance costs?

   Hint

   Link the binder's performance range to the climatic conditions it faces.

6. 6.

   Propose modifications to the Superpave Method that could make it more adaptable to varying climatic conditions in different regions.

   Hint

   Think about what specifics are lacking in the current methodology.