Practice Alkali-Aggregate Reaction (AAR) - 4.2.2 | 12. Definition of Durability | Concrete Technology
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4.2.2 - Alkali-Aggregate Reaction (AAR)

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define Alkali-Aggregate Reaction (AAR).

💡 Hint: Think about what happens during the reaction process.

Question 2

Easy

What gel is formed during AAR?

💡 Hint: Name the gel that leads to expansion in concrete.

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 is the main consequence of the Alkali-Aggregate reaction?

  • Expansion and cracking
  • Increased strength
  • Lower durability

💡 Hint: Think about the outcomes of material reactions in construction.

Question 2

True or False: AAR is beneficial for concrete durability.

  • True
  • False

💡 Hint: Recall the significance of AAR in durability discussions.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a concrete mix for a coastal structure that minimizes AAR. Discuss your choice of materials and their roles.

💡 Hint: Think about both chemical interactions and environmental factors.

Question 2

Analyze a case where AAR has caused failure in an existing structure. What lessons can be learned regarding material selection?

💡 Hint: Look into historical concrete failures related to AAR.

Challenge and get performance evaluation