Practice Effects On Concrete (6.6.3) - Mineral Admixtures

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10 questions

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6 sample questions

Question 1.
What is the primary effect of fly ash in concrete?
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Consider how materials can enhance mixing.
Question 2.
What does silica fume primarily increase in concrete?
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Think about strength attributes.
3Question 3.
What effect does fly ash have on concrete workability?
- It decreases it
- It enhances it
- No effect
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Think about how finer particles behave during mixing.
4Question 4.
Silica fume is classified as what type of material?
- True
- False
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Consider the properties of pozzolans.
Question 5.
A contractor is using a mix with high fly ash content. How should they adjust for early strength loss in competitive schedules?
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Consider the interactions of materials that impact strength.
Question 6.
Discuss how using a combination of mineral admixtures could improve a concrete mix destined for a marine environment.
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Think about the environmental conditions that could challenge concrete durability.

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