4.3. Consequences

Try these first

1. 1.

   What is segregation in concrete?

   Hint

   Think about how the materials could separate in a mixture.

2. 2.

   Name one type of bleeding.

   Hint

   Consider what happens with water in concrete.

3. 3.

   What is the main issue caused by segregation?

   • Increased strength
   • Uneven strength
   • Better durability

   Hint

   Consider how separation affects a mixture.

4. 4.

   True or False: Bleeding can create a weak bond between concrete layers.

   • True
   • False

   Hint

   Think about the formation of layers.

5. 5.

   A construction site reports significant slump loss during a hot summer day. Propose a comprehensive strategy to maintain workability during placement.

   Hint

   Think about environmental controls and material choices.

6. 6.

   During a quality control test, concrete displayed signs of segregation after mixing. Analyze the potential causes and suggest improvements.

   Hint

   Reflect on the importance of mix consistency and dropping techniques.