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2 cards from this section. Quick, good the night before a test.
What is thermal shrinkage?
Think about what happens when concrete cools.
Why is differential volume change a concern?
Consider what happens when parts of concrete shrink at different rates.
What causes thermal shrinkage in mass concrete?
Think about the temperature changes that occur with hydration.
True or False: Differential volume changes can lead to structural cracking.
Consider what happens when different parts of concrete shrink at different rates.
Design a mass concrete structure accounting for thermal shrinkage. Discuss at least three considerations you must include to prevent structural cracking.
What strategies do engineers use in actual case studies to avoid cracks?
A large concrete beam has shown signs of cracking after a rapid temperature drop. How would you analyze the likely causes and propose interventions to mitigate further damage?
Reflect on temperature control measures previously discussed.
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