2.1. Segregation

Try these first

1. 1.

   What is segregation in concrete?

   Hint

   Think about what 'segregate' means in everyday language.

2. 2.

   Name one type of segregation.

   Hint

   Recall the definitions discussed in class.

3. 3.

   What is the main issue caused by segregation?

   • Increased strength
   • Non-uniform concrete
   • Enhanced durability

   Hint

   Think about the final result of using segregated concrete.

4. 4.

   True or False: Bleeding is a sign of good concrete mix.

   • True
   • False

   Hint

   Consider what happens to the integrity of the surface in such scenarios.

5. 5.

   A construction manager is facing issues with freshly mixed concrete segregating frequently. Discuss the potential steps they can take to minimize this problem.

   Hint

   Consider the factors discussed in our sessions.

6. 6.

   During a field test, a concrete sample showed significant bleeding. What implications does this have for the project, and how might they correct the mix?

   Hint

   Think about the long-term impacts on concrete strength and durability.