Practice Thermal Cracking (4.1.3) - Definition of Durability

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9 questions

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Exercise
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6 sample questions

Question 1.
What causes thermal cracking in concrete?
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Think about temperature variations.
Question 2.
Define hydration in the context of concrete.
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It’s how concrete cures.
3Question 3.
What is thermal cracking caused by?
- Water ingress
- Temperature changes
- Chemical reaction
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Think about what happens to concrete under heat.
4Question 4.
True or False: Expansion joints help to minimize thermal stresses in concrete.
- True
- False
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How do joints affect movement?
Question 5.
Calculate the expected temperature differential in a concrete structure exposed to fluctuating morning and afternoon sunlight.
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What formulas can help understand thermal growth?
Question 6.
Design a mitigating plan for thermal cracking for a dam with specific dimensions and environmental stressors.
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Consider each factor's influence on temperature retention and dissipation.

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