13.3. Components of Bituminous Mix

Try these first

1. 1.

   What are coarse aggregates?

   Hint

   Think about the size of the particles.

2. 2.

   What is the role of bituminous binder?

   Hint

   Consider how glue works for different materials.

3. 3.

   What is the purpose of coarse aggregates in a bituminous mix?

   • A. To bind the mixture
   • B. To provide strength
   • C. To improve workability

   Hint

   Think about which function relates to strength.

4. 4.

   Bituminous binders are primarily used for which purpose?

   • True
   • False

   Hint

   Consider the role of glue in binding materials.

5. 5.

   Design a bituminous mix using specific ratios of coarse aggregates, fine aggregates, binders, and additives. Justify your choices.

   Hint

   Think about the properties each component brings to the mix.

6. 6.

   Analyze how variations in the binder type might affect the long-term performance of a pavement.

   Hint

   Consider performance under extreme weather or high loads.