2. Segregation and Bleeding

Try these first

1. 1.

   What is segregation in concrete?

   Hint

   Think about how the components of concrete can separate.

2. 2.

   What does bleeding refer to in fresh concrete?

   Hint

   Consider what happens when water rises in the mix.

3. 3.

   What is the primary effect of segregation in concrete?

   • Increases strength
   • Creates uniformity
   • Reduces strength

   Hint

   Think about the implications of uneven mixing.

4. 4.

   Bleeding in concrete is associated with:

   • True
   • False

   Hint

   Recall the upward movement of excess water.

5. 5.

   You are overseeing a concrete pour and notice the concrete is slab-like and not flowing well. What might be the problem, and how would you address it?

   Hint

   Consider the physical conditions that might make the mix too thick.

6. 6.

   After pouring, you discover water pooling on the surface of the concrete. Discuss the potential implications and solutions.

   Hint

   Focus on how water impacts surface integrity.