3.4. Admixtures

Try these first

1. 1.

   What does SCC stand for?

   Hint

   Think about the characteristics of concrete that remove the need for vibration.

2. 2.

   Name one application of SCC.

   Hint

   Consider where concrete is often difficult to compact.

3. 3.

   What is a key characteristic of Self-Compacting Concrete?

   • It requires mechanical vibration
   • It flows and fills formwork without vibration
   • It has a lower water-cement ratio

   Hint

   Remember its primary purpose in construction.

4. 4.

   Self-Compacting Concrete has lower permeability than conventional concrete. True or False?

   • True
   • False

   Hint

   Think about how effective compaction impacts elements in concrete.

5. 5.

   Design a basic mix for SCC. What should be your priority in terms of component ratios?

   Hint

   Recall the required properties and how they influence your mix design.

6. 6.

   Discuss how the properties of SCC contribute to sustainability in construction.

   Hint

   Think about how major construction practices can affect the environment.