Practice Fresh Concrete Behavior - 19.1 | 8. Workability of Fresh Concrete | Concrete Technology
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19.1 - Fresh Concrete Behavior

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is fresh concrete?

💡 Hint: Think about the state of concrete before it hardens.

Question 2

Easy

Define workability in concrete.

💡 Hint: Consider how easy it is to work with concrete materials.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What effect does increased water absorption in recycled aggregates have on workability?

  • Increases workability
  • Decreases workability
  • No effect

💡 Hint: Think about how hydration affects other materials.

Question 2

True or False: The surface texture of recycled aggregates does not influence the amount of paste needed in concrete.

  • True
  • False

💡 Hint: Consider how different surfaces interact with liquids.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given a concrete mix design using 100 kg of recycled aggregates with a water absorption of 10%, how would you adjust the water content to maintain workability?

💡 Hint: Consider how much water the aggregates would absorb and add that into your equation for the overall water needed.

Question 2

Evaluate how using a higher proportion of rough recycled aggregates could affect the overall concrete performance and suggest ways to counter these effects.

💡 Hint: Think about how to balance texture and paste in your mix design.

Challenge and get performance evaluation