Practice Case Studies Of Concrete Durability Failures (12)

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9 questions

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6 sample questions

Question 1.
What is a water-cement ratio?
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Consider how the ratio affects strength.
Question 2.
Why is curing important?
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Think about what happens if concrete is too dry.
3Question 3.
What was a major cause of premature corrosion in the marine bridge pilings?
- Low concrete cover
- High temperature
- Use of regular cement
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Think about protective measures.
4Question 4.
True or False: Adequate curing is not necessary for concrete durability.
- True
- False
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Consider the hydration process.
Question 5.
A new marine bridge is being constructed. Design a protocol for ensuring adequate cover and the correct water-cement ratio to prevent corrosion.
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Focus on environmental exposure.
Question 6.
During a site inspection, you find evidence of surface dusting on a slab. Propose a corrective action plan.
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Consider effects of moisture during finishing.

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