Practice Factors Influencing Permeability (2.3)

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9 questions

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6 sample questions

Question 1.
What is the water-cement ratio?
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Think about how this ratio can affect the strength and porosity of the concrete.
Question 2.
Why is curing important?
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Consider what happens to untreated concrete.
3Question 3.
What effect does a higher water-cement ratio have on the permeability of concrete?
- Increases permeability
- Decreases permeability
- No effect
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Think about how the ratio changes the structure of concrete.
4Question 4.
True or False: Proper curing can help in reducing concrete permeability.
- True
- False
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Consider what happens during and after curing.
Question 5.
You are tasked with designing a concrete for a marine environment. Describe how you would ensure the concrete has low permeability.
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Consider the environmental exposure and the materials at your disposal.
Question 6.
Evaluate the trade-offs between using a low water-cement ratio and workability in concrete application. How can challenges be mitigated?
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Explore various additives that can enhance performance.

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