2.2 - Supplementary Cementitious Materials (SCMs)
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Practice Questions
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What does SCM stand for in concrete?
💡 Hint: Think about materials added to enhance concrete.
Name one benefit of using fly ash in concrete.
💡 Hint: It's a by-product of coke production.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary benefit of incorporating SCMs into concrete?
💡 Hint: Think about what makes concrete stronger or more durable.
True or False: Fly ash can contribute to lower environmental impact in concrete production.
💡 Hint: Consider its role in reducing harmful material usage.
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Challenge Problems
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Calculate the percentage reduction in CO2 emissions if using 30% fly ash replacement for cement in a given concrete mix.
💡 Hint: Consider the proportion of cement used in the overall mix.
Design a concrete mix that includes all four SCMs while maintaining the required strength of 60 MPa. What considerations must be taken into account?
💡 Hint: Think about how each SCM affects workability and aesthetics.
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