4.3 - Types of Vibrators
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Practice Questions
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What is the purpose of consolidating concrete?
💡 Hint: Think about what happens to air bubbles in concrete.
Define an internal vibrator.
💡 Hint: What are its other names?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary purpose of using vibrators in concrete?
💡 Hint: Think of the air as a weakness in concrete.
True or False: Internal vibrators are also known as external vibrators.
💡 Hint: Consider their placement!
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Challenge Problems
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You have a construction site needing a continuous pour of concrete. Discuss the strategy around choosing and using the right internal vibrator for different sections of the pour.
💡 Hint: Think about what changes you might need for congested areas.
Calculate the radius of influence for a vibrator with a diameter of 40mm and discuss how it affects productivity.
💡 Hint: Consider the formula radius as a function of diameter!
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