3.4 - Preventive Measures
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Practice Questions
Test your understanding with targeted questions
What happens to water when it freezes?
💡 Hint: Think about how ice forms in a water container.
What is one of the primary functions of air-entraining agents in concrete?
💡 Hint: Recall the issue caused by water turning to ice in places without air pockets.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What role do air-entraining agents play in concrete?
💡 Hint: Think about how these agents impact the physical structure.
True or False: Using sulphate-resisting Portland cement is essential in sulphate-rich environments.
💡 Hint: Think about the specifics of different cement types.
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Challenge Problems
Push your limits with advanced challenges
Design a concrete mix for a coastal environment with high sulphate levels and frequent freeze-thaw cycles. Describe your choices.
💡 Hint: Consider the specific environmental challenges.
Evaluate the effectiveness of using protective coatings in structural applications under harsh conditions such as freeze-thaw and sulphate exposure.
💡 Hint: Think about the long-term implications of protective measures.
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