8.4. Types of Bitumen Based on Production

Try these first

1. 1.

   What is straight run bitumen used for?

   Hint

   Think about where good adhesive properties are needed.

2. 2.

   What process is used to produce oxidized bitumen?

   Hint

   Consider a method to increase hardness and thermal stability.

3. 3.

   What is straight run bitumen primarily used for?

   • Roofing
   • Cold applications
   • Road construction

   Hint

   Think about where strong binding properties are needed.

4. 4.

   Oxidized bitumen is produced by blowing air through what?

   • True
   • False

   Hint

   Consider the production method for enhancing properties.

5. 5.

   How would you choose the appropriate type of bitumen for a highway exposed to extreme weather conditions? Provide a detailed explanation based on their properties.

   Hint

   Focus on the challenges posed by extreme weather on materials.

6. 6.

   Design a simple experimental setup to compare the viscosity of straight run bitumen and cutback bitumen. Describe the methodology and expected observations.

   Hint

   Consider how temperature and composition might influence viscosity.