10. Bituminous Binders – Types and Selection

Try these first

1. 1.

   What is the primary function of bituminous binders in pavement?

   Hint

   Think about what holds the surface of the roads together.

2. 2.

   Name one type of polymer used in Polymer Modified Bitumen.

   Hint

   Think about synthetic materials used in various applications.

3. 3.

   What is the primary purpose of a bituminous binder?

   • To provide waterproofing
   • To serve as a traffic marker
   • To bind aggregate materials

   Hint

   Remember the main function serving the road surface.

4. 4.

   True or False: Polymer modified bitumen enhances flexibility.

   • True
   • False

   Hint

   Think about what needs to improve in flexible pavements.

5. 5.

   A highway experiences heavy truck traffic in a warm climate. Recommend a suitable binder type and justify your choice.

   Hint

   Consider flexibility and load resistance.

6. 6.

   Discuss the impact of using environmentally friendly alternatives to traditional bitumen on road longevity and maintenance.

   Hint

   Think about trade-offs in material choices.