1.4. Effects

Try these first

1. 1.

   Define segregation in concrete.

   Hint

   Think about the components of concrete.

2. 2.

   What is bleeding?

   Hint

   It's related to water content.

3. 3.

   What causes segregation in fresh concrete?

   • A high temperature
   • Poor grading of aggregates
   • Low water content

   Hint

   Consider the mixing process and components' behavior.

4. 4.

   True or False: Bleeding can lead to cracking.

   • True
   • False

   Hint

   Think about how water affects surface quality.

5. 5.

   Given a scenario where a concrete worker observes delayed bleeding after finishing work, outline a strategy to mitigate the problem.

   Hint

   Think about controlling water content and using suitable admixtures.

6. 6.

   A construction site reports frequent slump loss leading to difficulties in placement. Propose a comprehensive plan to address this issue.

   Hint

   Consider the mixing and environmental conditions affecting slump.