6.2.1(a). Natural Aggregates

Try these first

1. 1.

   What are natural aggregates?

   Hint

   Think of where materials come from in nature.

2. 2.

   Name one type of natural aggregate.

   Hint

   Consider common materials used in construction.

3. 3.

   Natural aggregates are primarily sourced from?

   • Artificial sources
   • Natural rock formations
   • Recycled materials

   Hint

   Think about the origin of the material.

4. 4.

   True or False: Natural aggregates always require no processing before use.

   • True
   • False

   Hint

   Consider the need for quality control.

5. 5.

   Evaluate the significance of washing and grading in the preparation of natural aggregates for highway construction.

   Hint

   Consider how quality affects overall construction.

6. 6.

   Design a simple experiment to test the impact of different types of natural aggregates on the strength of a concrete mix.

   Hint

   Think about the factors you would control in an experiment.