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2 cards from this section. Quick, good the night before a test.
What is permeability in the context of concrete?
Think about what happens when rainwater soaks into the ground.
Name one way to reduce permeability.
What do we want to keep low in a concrete mix?
What does high permeability in concrete allow?
Consider what high permeability really means.
True or False: Low permeability is desirable in concrete durability.
Think about the entry of harmful substances into concrete.
Design a concrete mix for a region with severe freeze-thaw cycles. What considerations should you incorporate to ensure low permeability?
Consider both the components of the mix and the curing environment.
Evaluate the potential long-term consequences of using high permeability concrete in marine environments. What preventive measures could be taken?
Think about the types of exposure and how they interact with concrete.
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