Practice Durability Studies And Long-term Performance (22.12) - Special Concrete and Concreting Methods – Polymer-Modified Concrete

Practice: Durability Studies and Long-Term Performance

Lesson 22.12Special Concrete and Concreting Methods – Polymer-Modified Concrete

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8 questions

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Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is the importance of durability in concrete structures?
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Think about the costs involved with repairs.
Question 2.
How does PMC reduce chloride ingress?
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Focus on the structure of concrete.
3Question 3.
How does PMC improve resistance to chloride penetration?
- Increases porosity
- Decreases porosity
- Reduces bonding
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Focus on the structural properties of PMC.
4Question 4.
True or False: Carbonation can accelerate the corrosion of steel in concrete.
- True
- False
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Recall the definition of carbonation.
Question 5.
Consider a bridge deck needing rehabilitation; analyze how incorporating PMC could extend its service life compared to conventional methods.
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Think about the long-term benefits and maintenance considerations.
Question 6.
Research and propose a construction project in a sulfate-rich area. Discuss why PMC would be the ideal choice.
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Consider environmental factors and longevity in your argument.

4 more questions in this section. Enroll free to practise them all.