Practice Factors Affecting Durability Of Concrete (3) - Definition of Durability

Practice: Factors Affecting Durability of Concrete

Lesson 3Definition of Durability

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9 questions

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3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is permeability in concrete?
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Think about how water interacts with the material.
Question 2.
Why is a low water-cement ratio beneficial?
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Consider the relationship between water, cement, and concrete strength.
3Question 3.
What does permeability in concrete affect?
- Strength
- Durability
- Aesthetics
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Consider what happens when water or chemicals enter concrete.
4Question 4.
True or False: A higher water-cement ratio generally leads to better strength.
- True
- False
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Think about the balance needed for effective concrete.
Question 5.
A structural engineer mixes concrete with a w/c ratio of 0.6. Discuss the likely implications for the durability of the final structure under mild exposure conditions.
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Relate this back to your understanding of w/c ratios and their effects.
Question 6.
Consider a scenario where a concrete structure suffers from severe cracking after only two years of use. Analyze how the factors discussed could be interrelated in this failure.
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Reflect on the interdependency of factors like curing and cement content.

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