12.1. Stress-Strain Behavior of Bituminous Mixes

Try these first

1. 1.

   What is elastic behavior?

   Hint

   Think about materials that bounce back.

2. 2.

   What happens during viscous behavior?

   Hint

   Consider how a liquid behaves.

3. 3.

   What type of behavior occurs at high temperatures in bituminous mixes?

   • Elastic Behavior
   • Viscous Behavior
   • Viscoelastic Behavior

   Hint

   Think about how liquids behave under heat.

4. 4.

   True or False: Creep increases strain over time under constant stress.

   • True
   • False

   Hint

   Consider the implications of maintaining stress over time.

5. 5.

   Given a pavement experiencing high temperatures and constant traffic load, discuss potential long-term effects on its structural integrity and maintenance needs.

   Hint

   Consider the implications of temperature and repeated stress.

6. 6.

   Propose a method to estimate how bituminous mixes will behave in a changing environment and discuss its importance.

   Hint

   Think about how empirical data aids engineers.