5 - Field Practices to Minimize Defects in Fresh Concrete
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Practice Questions
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What is segregation in concrete?
💡 Hint: Think about what happens to the aggregates in a non-uniform mix.
Name one method to prevent segregation during transport.
💡 Hint: Consider how you would transport a mix without shaking it.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main concern with segregation?
💡 Hint: Consider the consequences of poor mixing.
True or False: Slump loss is a sign that concrete is becoming more workable.
💡 Hint: Think about what happens to a mix as it sits.
2 more questions available
Challenge Problems
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You are overseeing a concrete pouring project and notice slab stiffness starting to occur after 25 minutes. What steps should you take to ensure quality?
💡 Hint: Think about what options are available for improving mix characteristics post-mixing.
During transportation, segregation was observed in a concrete mix. Analyze the possible causes and suggest effective measures to prevent this in future projects.
💡 Hint: Reflect on the impact of vibration and dropping heights in concrete handling.
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