3.1.2. Based on Origin

Try these first

1. 1.

   What are natural aggregates?

   Hint

   Think about where these materials come from.

2. 2.

   Give an example of an artificial aggregate.

   Hint

   Consider materials made from processes.

3. 3.

   What are the three types of aggregates based on origin?

   • Natural
   • Artificial
   • Recycled
   • Fine
   • Coarse
   • All-in
   • Heavyweight
   • Lightweight
   • Normal

   Hint

   Remember the categories defined in the section.

4. 4.

   True or False: Recycled aggregates are primarily sourced from natural deposits.

   • True
   • False

   Hint

   Think about where recycled aggregates come from.

5. 5.

   If you were to design a concrete mix for a sustainable building, how would you incorporate different types of aggregates? Discuss the benefits and disadvantages of each type.

   Hint

   Consider the requirements of your concrete application.

6. 6.

   Explain the importance of aggregate origin on concrete's performance regarding strength and durability.

   Hint

   Think about the properties impacted by aggregate types.