11.1. Nano-Admixtures

Try these first

1. 1.

   What are nano-admixtures?

   Hint

   Think about very small materials.

2. 2.

   Name one type of nano-admixture.

   Hint

   Which materials are researched for improving concrete?

3. 3.

   What is a characteristic of nano-admixtures?

   • They are only used in large quantities
   • They enhance early strength
   • They decrease durability

   Hint

   Remember their purpose in construction.

4. 4.

   Nano-silica is primarily beneficial because it improves what?

   • True
   • False

   Hint

   Think of its strength-enhancing properties.

5. 5.

   Design a concrete mix incorporating nano-silica. Discuss potential benefits and the desired performance characteristics.

   Hint

   Think about the interaction of nano-silica with other components.

6. 6.

   Evaluate the impact of using nano-admixtures in sustainable construction practices.

   Hint

   Consider how less cement leads to a more sustainable approach.