Practice Permeability Of Concrete (9.5) - Topics in Hardened Concrete

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9 questions

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

Question 1.
What does permeability in concrete refer to?
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Think about how easily water can pass through.
Question 2.
What is one factor that affects the permeability of concrete?
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Consider what happens when you add more water.
3Question 3.
What does permeability in concrete allow?
- Increased strength
- Fluid penetration
- Diminished curing
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Think about what happens when it rains on concrete.
4Question 4.
True or False: Lower water-cement ratios generally lead to higher permeability in concrete.
- True
- False
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Consider how water affects the mix.
Question 5.
Given a concrete mix with a water-cement ratio of 0.7 and another with 0.4, analyze how the two mixes would perform in terms of permeability.
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Consider how water affects the structure of concrete.
Question 6.
Design a test plan to assess the permeability of a new concrete mix. Include the types of tests you would use and justify why they are appropriate.
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Think about what tests are practical and show results quickly.

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