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4 cards from this section. Quick, good the night before a test.
What is carbonation in concrete?
Think about what happens to concrete when CO₂ is present.
What indicator is commonly used to test for carbonation?
What turns pink in alkaline conditions?
What does carbonation in concrete primarily affect?
Consider how CO₂ interacts chemically with concrete.
True or False: Carbonation increases the protective alkalinity around reinforcement.
Think about the impact of CO₂.
Illustrate how carbonation can impact the lifespan of a concrete structure over 50 years and what specific measures should be considered in design to mitigate these effects.
Consider the years of exposure to environmental conditions.
Analyze a structure where the phenolphthalein test shows significant carbonated areas. Propose an actionable plan for repairs and prevention moving forward.
What repair strategies can extend the life of the structure?
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