14.2.2.5. Temperature Range of Location

Try these first

1. 1.

   What is thermal cracking?

   Hint

   Think about how cold affects materials.

2. 2.

   Why is temperature range important for pavement durability?

   Hint

   Consider the changes in temperature.

3. 3.

   What effect does low temperature have on bituminous materials?

   • Softening
   • Brittleness
   • Expansion

   Hint

   Think about how cold affects materials.

4. 4.

   True or False: High temperatures can cause bituminous materials to soften.

   • True
   • False

   Hint

   Consider the properties of hot materials.

5. 5.

   Evaluate the long-term durability implications of choosing traditional bitumen versus polymer-modified bitumen in a climate with temperatures exceeding 40°C.

   Hint

   Consider the flexibility and softening of materials.

6. 6.

   Propose a pavement design strategy for an area with significant temperature fluctuations between winter and summer.

   Hint

   Think about choosing materials and mix design.