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4.1.3. Thermal Cracking
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11 questions on this section. Wrong answers show you what to read again.
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Mixed questions from across the chapter. Your answers get marked.
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Flashcard drill
2 cards from this lesson. Good the night before a test.
Try these first
- 1.
What causes thermal cracking in concrete?
Hint
Think about temperature variations.
- 2.
Define hydration in the context of concrete.
Hint
It’s how concrete cures.
- 3.
What is thermal cracking caused by?
- Water ingress
- Temperature changes
- Chemical reaction
Hint
Think about what happens to concrete under heat.
- 4.
True or False: Expansion joints help to minimize thermal stresses in concrete.
- True
- False
Hint
How do joints affect movement?
- 5.
Calculate the expected temperature differential in a concrete structure exposed to fluctuating morning and afternoon sunlight.
Hint
What formulas can help understand thermal growth?
- 6.
Design a mitigating plan for thermal cracking for a dam with specific dimensions and environmental stressors.
Hint
Consider each factor's influence on temperature retention and dissipation.
Exercises
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
4 more questions available
Enrol freeQuiz
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
1 more question available
Enrol freeChallenge Problems
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting