1.4. Consistency and Cohesiveness

Try these first

1. 1.

   What does consistency refer to in concrete mix design?

   Hint

   Think about how easily the concrete flows.

2. 2.

   What is the purpose of the slump test?

   Hint

   Consider what needs to be evaluated before pouring.

3. 3.

   What is the main purpose of assessing consistency in concrete?

   • To ensure better aesthetics
   • To ensure workability
   • To reduce costs

   Hint

   Consider what makes concrete easier to work with.

4. 4.

   True or False: Cohesiveness in concrete helps reduce the risk of segregation.

   • True
   • False

   Hint

   Think about the bond between concrete components.

5. 5.

   You are on-site performing a slump test and notice your concrete slump is too high. Discuss the potential causes and their implications.

   Hint

   Reflect on ratios and properties of materials in your mix.

6. 6.

   You have a batch that shows signs of bleeding. What remedial measures would you implement to enhance cohesiveness?

   Hint

   Consider both additives and mixture adjustments.