Practice Environmental and Sustainability Considerations - 18.10 | 18. Mix Design – Principles and Influencing Factors | Civil Engineering Materials, Testing & Evaluation - Vol 1
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Knowledge

18.10 - Environmental and Sustainability Considerations

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is one of the main environmental concerns regarding concrete production?

💡 Hint: Think about the gas that contributes to climate change.

Question 2

Easy

Name one type of Supplementary Cementitious Material.

💡 Hint: What is produced as a byproduct of burning coal?

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 primary reason for the environmental impact of concrete?

  • A. Renewable resources
  • B. Cement production
  • C. Water usage

💡 Hint: Think about the process that generates CO₂ emissions.

Question 2

True or False: Recycled aggregates have no impact on sustainability.

  • True
  • False

💡 Hint: Consider what happens to waste materials in contrast to using new ones.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Calculate the potential reduction in CO₂ emissions by substituting 30% of a cement mix with fly ash, considering the average emission from 1 ton of cement is 0.8 tons of CO₂.

💡 Hint: Focus on the proportions and then multiply by the CO₂ emissions per ton.

Question 2

Propose a sustainable concrete mix design for a high-performance structure using both fly ash and recycled aggregates, detailing the expected benefits.

💡 Hint: Consider how the interaction of materials leads to improved performance.

Challenge and get performance evaluation