3.1 - Mix Design Considerations
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Practice Questions
Test your understanding with targeted questions
What is the purpose of lubrication in concrete pumping?
💡 Hint: Think about how lubrication helps in machinery.
Why should the concrete pump be cleaned immediately after use?
💡 Hint: Consider the time-sensitive nature of concrete.
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Interactive Quizzes
Quick quizzes to reinforce your learning
Why is lubrication necessary before pumping concrete?
💡 Hint: Think about the physical properties of lubrication.
True or False: The slump for pumpable concrete should be less than 50 mm.
💡 Hint: Consider the ideal range for flowability in concrete.
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Challenge Problems
Push your limits with advanced challenges
A construction site needs a steady supply of concrete for a block of apartments. They will be using lightweight aggregates. What should the team consider to ensure that the concrete is effectively pumped without losing workability?
💡 Hint: Consider how the characteristics of materials affect flowability.
During a concrete pouring event, the pump got clogged due to large aggregates. What measures could have been implemented initially to prevent this situation?
💡 Hint: Think about the processes that ensure a smooth concrete mix.
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