Practice Physical Weathering (11.3.2) - Durability of Concrete

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9 questions

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6 sample questions

Question 1.
What does a freeze-thaw cycle do to concrete?
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Think about what happens to water when it freezes.
Question 2.
Define abrasion in the context of concrete.
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Consider how rough surfaces might affect smooth materials.
3Question 3.
What is the primary concern related to freeze-thaw cycles?
- A) Water freezing
- B) Spalling
- C) Abrasion
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What happens after water freezes in structures?
4Question 4.
True or False: Abrasion only occurs in hydraulic structures.
- True
- False
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Think of other scenarios where surfaces wear down.
Question 5.
Given a concrete structure that has suffered from prolonged exposure to freeze-thaw cycles, outline a plan to enhance its durability against such weathering.
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Consider protective measures for environmental influences.
Question 6.
A concrete pavement has shown significant abrasion wear due to heavy vehicle trafficking. Propose modifications to rectify and prevent further deterioration.
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Think about how to strengthen the surface and the mix.

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