Practice Influence of Aggregate and Mix Design - 2.3 | 13. Failure Mechanism in Hardened Concrete | Civil Engineering Materials, Testing & Evaluation - Vol 1
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2.3 - Influence of Aggregate and Mix Design

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the effect of using denser aggregates in concrete?

💡 Hint: Think about how heavier materials behave under stress.

Question 2

Easy

What does a higher water-cement ratio generally result in?

💡 Hint: Consider the trade-offs between workability and strength.

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

Which factor enhances the compressive strength of concrete?

  • Lighter aggregates
  • Denser aggregates
  • Higher water-cement ratio

💡 Hint: Think about materials that can withstand more load.

Question 2

True or False: A higher water-cement ratio makes concrete less prone to cracking.

  • True
  • False

💡 Hint: Consider what happens when the structure is under stress.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

If a concrete mix originally had a water-cement ratio of 0.40 and was changed to 0.55, how would you expect the performance to differ, especially in terms of structural applications?

💡 Hint: Consider how strength and ductility relate to this change.

Question 2

Design a concrete mix targeting high durability in a marine environment. Discuss your choice of aggregates, water-cement ratios, and admixtures.

💡 Hint: Think about what properties are critical for marine applications.

Challenge and get performance evaluation