Practice Alkali-Aggregate Reaction (AAR) - 2.9 | 2. Cement Chemistry | Concrete Technology
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What materials in cement can cause AAR?

💡 Hint: Think about the chemical components of cement.

Question 2

Easy

What is the outcome of AAR on concrete?

💡 Hint: Consider the pressures that might build up.

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 causes the expansion in AAR?

  • Alkali reaction with calcium
  • Alkali reaction with silica
  • Alkali reaction with air

💡 Hint: Consider which materials in cement are reactive.

Question 2

True or False: AAR can lead to cracking in concrete.

  • True
  • False

💡 Hint: Think about the implications of material expansion.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given a scenario where a newly constructed pavement begins to crack after a rainy season, analyze the potential causes and propose solutions.

💡 Hint: Think about how weather influences chemical reactions!

Question 2

Assuming you have a concrete design specification, outline the concrete mix considering AAR implications.

💡 Hint: What materials help mitigate alkalis?

Challenge and get performance evaluation