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3 cards from this section. Quick, good the night before a test.
What is carbonation?
Think about the chemical changes that occur with CO₂.
Why is pH important in concrete?
Consider what happens to steel in acidic versus alkaline environments.
What does carbonation do to the pH of concrete?
Think about acids and bases.
True or False: Carbonation can cause corrosion of steel reinforcement in concrete.
Consider the protective nature of high pH.
Evaluate the potential structural consequences of carbonation in a bridge exposed to high atmospheric CO₂ levels over 20 years. Discuss the testing methods that can identify such consequences.
What effects would be evident in a bridge compared to a young structure?
Design a prevention strategy for a new residential building in a coastal area prone to high carbonation rates. Outline materials and techniques to mitigate carbonation effects.
Consider the environmental factors relevant to coastal zones.
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