6.12.2. Impact on Microstructure

Try these first

1. 1.

   What does a pozzolanic reaction create?

   Hint

   Think about what happens with water and calcium hydroxide.

2. 2.

   What does GGBS stand for?

   Hint

   It relates to a by-product from steel production.

3. 3.

   What is produced when pozzolanic materials react with water and calcium hydroxide?

   • Calcium Carbonate
   • Calcium Silicate Hydrate
   • Calcium Sulfate

   Hint

   Remember the chemical reaction involving calcium hydroxide.

4. 4.

   True or False: GGBS does not enhance the durability of concrete.

   • True
   • False

   Hint

   Think about the benefits GGBS brings to concrete.

5. 5.

   Analyze how the introduction of mineral admixtures influences the thermal properties of concrete during curing.

   Hint

   Consider how temperature and chemical reactions interact.

6. 6.

   Debate the economic implications of using mineral admixtures in construction projects versus traditional cement.

   Hint

   Compare short-term costs with long-term benefits.