6.2.4. Based on Geological Origin

Try these first

1. 1.

   What are igneous rocks formed from?

   Hint

   Consider the volcanic activity.

2. 2.

   Give an example of a sedimentary rock.

   Hint

   Think of rocks formed by sediments.

3. 3.

   Which type of rock is suitable for high-load pavements?

   • Igneous
   • Sedimentary
   • Metamorphic

   Hint

   Think of volcanic rocks.

4. 4.

   True or False: Sedimentary rocks are used for high traffic highways.

   • True
   • False

   Hint

   Consider their formation and properties.

5. 5.

   Discuss how the geological origin of aggregates impacts their selection in road construction for different traffic conditions.

   Hint

   Consider the long-term implications on maintenance and wear.

6. 6.

   Analyze a case where sedimentary rocks were used for constructing a busy urban road. What challenges might arise?

   Hint

   Reflect on material properties versus traffic levels.