6.2.1(b). Artificial Aggregates

Try these first

1. 1.

   Define artificial aggregates.

   Hint

   Think about how they are different from natural aggregates.

2. 2.

   List one example of an artificial aggregate.

   Hint

   Recall the materials we discussed.

3. 3.

   What is the definition of artificial aggregates?

   Hint

   Think of how they differ from natural aggregates.

4. 4.

   Which of the following is NOT an artificial aggregate? Crushed bricks, natural sand, fly ash aggregates.

   • Crushed bricks
   • Natural sand
   • Fly ash aggregates

   Hint

   Consider the origins of the materials.

5. 5.

   Discuss the impact of recycled aggregates on the construction industry and how they could change future practices.

   Hint

   Consider both economic and environmental factors.

6. 6.

   Propose a testing methodology for assessing the performance of artificial aggregates in road construction.

   Hint

   Think about what properties are critical for performance.