10.3.3. Applications

Try these first

1. 1.

   What is a bituminous emulsion?

   Hint

   Think of how bitumen interacts with water.

2. 2.

   Name one application of bituminous emulsions.

   Hint

   Consider how asphalt layers are bonded.

3. 3.

   What is a primary use of a prime coat?

   • To bind layers together
   • To waterproof surfaces
   • To prepare surfaces for paving

   Hint

   Think about the order of layers when paving.

4. 4.

   True or False: Tack coats are used to improve adhesion between different layers of asphalt.

   • True
   • False

   Hint

   Think about their bonding function.

5. 5.

   You are tasked with selecting the right coat for a newly constructed road. The environment is humid, and a heavy rainy season is expected. Which type of coating would you recommend and justify your choice?

   Hint

   Consider environmental factors in the decision.

6. 6.

   Explain how the use of cold mix asphalt can benefit emergency repairs in a city road maintenance scenario.

   Hint

   Think about how temperature affects asphalt workability.