Practice Interaction Between Durability, Permeability & Chemical Attack (6)

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9 questions

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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.
Define durability in concrete.
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Think about how long a material lasts.
Question 2.
What is permeability?
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Consider fluid movement through sponge.
3Question 3.
What is the primary reason high permeability harms concrete?
- It makes the concrete weaker
- It allows aggressive agents to enter
- It reduces the aesthetic value
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Consider what happens when materials penetrate surfaces.
4Question 4.
True or False: Low water-cement ratio contributes to higher durability.
- True
- False
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Consider how mixing affects strength.
Question 5.
Propose a mix design strategy to improve the durability of concrete in a marine environment.
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Consider the environmental aggressors present.
Question 6.
Evaluate the risks of carbonation in a high-rise building constructed with poor curing practices.
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Think about the long-term impacts of environmental exposure.

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