20.2. Issue: Segregation

Try these first

1. 1.

   What is segregation in the context of concrete mix design?

   Hint

   Think about the mixing process.

2. 2.

   Name a cause of segregation.

   Hint

   Consider water's role in mixing.

3. 3.

   What is segregation in concrete?

   • Separation of aggregates
   • Improper curing
   • Excessive hydration

   Hint

   Focus on the mixing process.

4. 4.

   True or False: Poor grading of aggregates can cause segregation.

   • True
   • False

   Hint

   Think about how particles interact.

5. 5.

   Given a concrete mixture showing signs of segregation, outline the steps to address and rectify the issue.

   Hint

   Think about the factors contributing to mix quality.

6. 6.

   Explain the long-term structural implications of ignoring segregation during concrete mixing.

   Hint

   Consider the consequences of poor mixing.