7.8.3 - Workability vs Strength Trade-off
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Practice Questions
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Define workability in concrete.
💡 Hint: Think about what makes it easy to handle concrete.
What is the water-cement ratio?
💡 Hint: It’s an important numerical relationship in mixing concrete.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does higher workability in concrete typically lead to?
💡 Hint: Think about how we make concrete easier to work with.
True or False: Lower workability guarantees higher strength in concrete.
💡 Hint: Consider risks like segregation.
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Challenge Problems
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A construction firm must decide between two concrete mixes. Mix A has high workability but low compressive strength, while Mix B has low workability but high strength. Discuss the implications of choosing each mix in regards to a high-rise building construction.
💡 Hint: Consider the requirements of a high-rise structure.
During a project review, an engineer notes frequent segregation in their concrete mix due to high workability. What steps can they take to remedy this while keeping the concrete usable?
💡 Hint: Think about mixing agents and ratios.
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