Practice Admixtures - 17.3.4 | 17. Design of Concrete Mix for Pavements | Pavement Materials
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17.3.4 - Admixtures

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the purpose of using water-reducing agents?

💡 Hint: Think about how it affects the strength of concrete.

Question 2

Easy

Name one type of admixture that helps with freeze-thaw resistance.

💡 Hint: It adds air bubbles to the 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 function of air-entraining agents?

  • To improve strength
  • To enhance durability against freeze-thaw cycles
  • To reduce cost

💡 Hint: Think about how they protect concrete from weather damage.

Question 2

Superplasticizers are used to reduce the water-cement ratio without losing workability. True or False?

  • True
  • False

💡 Hint: Consider the relationship between water content and concrete strength.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Create a concrete mix design that requires a high flexural strength for a road surface in a cold climate. Specify the required admixtures and their roles.

💡 Hint: Think about each admixture's contribution to performance.

Question 2

Evaluate a concrete project in a hot climate where the contractor must ensure sufficient workability and avoid rapid setting. What admixtures would you recommend and why?

💡 Hint: Consider how heat affects cement hydration.

Challenge and get performance evaluation