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5 cards from this section. Quick, good the night before a test.
What is fly ash?
Think of what is left after coal combustion.
What property does silica fume significantly improve?
It has a very high surface area.
What is the main benefit of using fly ash in concrete?
Recall the functions of fly ash.
Silica fume can increase the water demand of concrete mixes.
Think about its particle size.
Describe a scenario where using silica fume would be advantageous in construction. Explain your reasoning.
Consider structural integrity and environmental factors.
Design a concrete mix for a marine environment, identifying which mineral admixtures to include and their intended benefits.
Think about the challenges posed by seawater exposure.
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