4.1. Definition

Try these first

1. 1.

   What is segregation in concrete?

   Hint

   Think about the components of concrete and how they behave differently.

2. 2.

   What is bleeding?

   Hint

   Consider how water behaves in wet concrete.

3. 3.

   What is segregation in concrete?

   • Separation of ingredients
   • Increase in strength
   • Reduction in size

   Hint

   Focus on the behaviors of different materials in concrete.

4. 4.

   True or False: Bleeding only affects the surface layer of concrete.

   • True
   • False

   Hint

   Consider where you see water during the curing process.

5. 5.

   A construction site mixes concrete but allows it to sit for too long before placing. What risks are involved with this practice?

   Hint

   Consider what happens to a mixture that doesn't get used in time.

6. 6.

   How can you manage bleeding in a concrete mix on a hot day?

   Hint

   Think about additives that can help modify concrete properties.