2.5 - Mix Design Considerations
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Practice Questions
Test your understanding with targeted questions
What is aggregate packing density?
💡 Hint: Think about how tightly the pieces fit together.
What role do micro-fillers play in concrete?
💡 Hint: Consider what happens when small particles fill gaps.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the purpose of micro-fillers in concrete mix design?
💡 Hint: Think about density and strength.
True or False: Trial mixes help optimize the concrete mix before large-scale production.
💡 Hint: Consider why you would test before doing it for real!
1 more question available
Challenge Problems
Push your limits with advanced challenges
You are tasked with designing a concrete mix that requires a compressive strength of at least 80 MPa. Describe the steps you would take, including materials and process.
💡 Hint: Consider both material properties and their interactions.
Analyze how varying the aggregate packing density could affect the final strength of a lightweight concrete mix.
💡 Hint: Think of how closely materials need to sit together.
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