Practice Use Of Supplementary Cementitious Materials (scms) (8.1) - Introduction to Durability and Permeability

Practice: Use of Supplementary Cementitious Materials (SCMs)

Lesson 8.1Introduction to Durability and Permeability

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9 questions

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3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is fly ash used for in concrete?
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Think about its origin and its effect on concrete.
Question 2.
True or False: Silica fume increases the pore size in concrete.
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Consider how it affects concrete density.
3Question 3.
What is the primary benefit of adding silica fume to concrete?
- Increases pore size
- Enhances strength
- Increases heat generation
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Think about its effects on the microstructure.
4Question 4.
True or False: Fly ash decreases the heat of hydration in concrete.
- True
- False
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Consider its impact on temperature management during curing.
Question 5.
Design a concrete mix for a marine environment. Detail which SCMs you would use and why.
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Focus on the environmental stresses present in marine settings.
Question 6.
Evaluate the long-term economic benefits of using SCMs in large infrastructure projects.
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Connect the use of SCMs to both initial investment and long-term performance.

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