1.3. Causes

Try these first

1. 1.

   What is segregation in concrete?

   Hint

   Think about how different sized particles behave in a mixture.

2. 2.

   Name one cause of bleeding.

   Hint

   Consider how the amount of water influences the mix.

3. 3.

   What is segregation in fresh concrete?

   • A bonding agent
   • Separation of concrete constituents
   • An admixture

   Hint

   Consider the behavior of different sized particles.

4. 4.

   Is bleeding a serious issue in concrete?

   • True
   • False

   Hint

   Think about the implications of water rising to the surface.

5. 5.

   Given a scenario of concrete pouring on a hot day, analyze the risk of slump loss and suggest preventive measures.

   Hint

   Consider how temperature influences concrete behavior.

6. 6.

   Evaluate the effects of improper mix design leading to segregation and discuss alternative mix designs that could mitigate this.

   Hint

   Identify key elements in the mix that affect its stability.