5.2.3.1 - Thermal Expansion
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Practice Questions
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What is thermal expansion?
💡 Hint: Think about how materials react to heat.
Why is compatibility important in aggregate selection?
💡 Hint: What happens to materials that expand differently?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main reason for ensuring compatibility in thermal expansion between aggregates and cement paste?
💡 Hint: Why might different expansion rates cause an issue?
T/F: The only consequence of mismatched thermal expansion is visible cracking.
💡 Hint: Consider broader impacts on structural integrity.
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Challenge Problems
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Design a concrete mix for a structure located in an area with wide temperature fluctuations. Explain your reasoning regarding aggregate selection based on thermal expansion.
💡 Hint: What should you consider regarding temperature differences?
A highway bridge uses aggregates with significantly higher thermal expansion than the cement used. Predict the long-term effects of this on the structure.
💡 Hint: Think about how materials react differently during temperature changes.
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