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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is silica fume used for in HPC?
💡 Hint: Think of its role in improving concrete density.
Question 2
Easy
Name one SCM that improves workability.
💡 Hint: It's a byproduct from burning coal.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the recommended percentage of silica fume in HPC?
- 0-5%
- 5-10%
- 10-15%
💡 Hint: It's a small percentage but very powerful in effect.
Question 2
True or False: Fly ash can only be used in low-strength concrete.
- True
- False
💡 Hint: Think about its benefits across different concrete strengths.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a High Performance Concrete mix incorporating 10% silica fume, 20% fly ash, and 30% GGBS. Calculate the total binder content if the total weight of concrete is 800 kg.
💡 Hint: Determine the percentages relative to the total weight.
Question 2
Discuss the effects on workability and strength if silica fume is increased to 15% in an HPC mix. What adjustments might you make?
💡 Hint: Consider how material interactions can change.
Challenge and get performance evaluation