7.2.4. Durability

Try these first

1. 1.

   What does durability in aggregates mean?

   Hint

   Think about the lifespan of materials in construction.

2. 2.

   What is one common test for aggregate durability?

   Hint

   Consider tests that simulate environmental conditions.

3. 3.

   What is the primary focus of this section?

   • Aggregate shape
   • Aggregate durability
   • Aggregate cleanliness

   Hint

   Recall the primary topic covered.

4. 4.

   True or False: Impurities can enhance aggregate durability.

   • True
   • False

   Hint

   Consider what impurities do.

5. 5.

   An aggregate sample shows a 10% weight loss in the soundness test using sodium sulfate. Discuss whether you would consider using this aggregate in construction.

   Hint

   Recall the acceptable limits for tests.

6. 6.

   Explain how you would assess the impact of clay contamination in aggregates on their durability.

   Hint

   Think about the negative effects impurities can have on materials.