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4 cards from this section. Quick, good the night before a test.
What is a mineral admixture?
Think about what changes are desired in concrete.
Name one type of mineral admixture.
This material is a byproduct of burning coal.
What is the primary purpose of mineral admixtures in concrete?
Consider why we want to change concrete properties.
True or False: Silica fume increases the permeability of concrete.
Think about whether more permeability is desirable.
Design a mix for SCC using both fly ash and silica fume. Explain the reasoning behind your proportions.
Consider how each admixture influences the mix properties.
Evaluate a scenario where an SCC mix contains an excessive amount of GGBFS. What potential issues could arise?
Think about how GGBFS interacts with other components in a mix.
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