Practice Mineral Admixtures (supplementary Cementitious Materials

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8 questions

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6 sample questions

Question 1.
What are SCMs?
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Think about materials added to cement.
Question 2.
Give an example of a mineral admixture.
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Which materials improve concrete?
3Question 3.
What is the main benefit of using fly ash in concrete?
- Increases weight
- Improves long-term strength
- Slows down hydration
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Consider the properties that make concrete last.
4Question 4.
True or False: Silica fume decreases the permeability of concrete.
- True
- False
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Think about why we want dense concrete.
Question 5.
You are tasked with designing a concrete mix for a large dam. Outline the advantages of using GGBFS and fly ash in your mix considering environmental impacts.
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Think about the structure's size and the environmental responsibilities.
Question 6.
Discuss a case where metakaolin would be preferable over other SCMs, considering both cost and performance factors.
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Consider the timing requirements of the construction project.

4 more questions in this section. Enroll free to practise them all.