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3 cards from this section. Quick, good the night before a test.
What does freeze-thaw resistance refer to?
Think about the environmental conditions concrete faces.
Name a common additive used to improve freeze-thaw resistance.
These help create bubbles in the concrete.
What is freeze-thaw resistance?
This property is vital in cold climates.
True or False: Air-entrained concrete has better freeze-thaw resistance than non-air-entrained concrete.
Think about what happens when water freezes.
Design a concrete mix for a highway in a region with severe winter weather, considering freeze-thaw resistance. Outline the components and their specific roles.
Think about the interactions between the components and their impact on performance in cold weather.
Evaluate a scenario where a building in a cold region has begun to experience cracking due to freeze-thaw cycles. Identify the potential causes and suggest remedies.
Consider how each factor impacts the microstructure and durability of concrete.
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