3.1 - Description and Use of Vibrating Tables
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Practice Questions
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What do surface vibrators do?
💡 Hint: Think about where the vibration is applied.
Name one application of vibrating tables.
💡 Hint: Consider where you might see vibrating tables.
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Interactive Quizzes
Quick quizzes to reinforce your learning
Which type of vibrator is more effective for consolidation?
💡 Hint: Consider which vibrator provides a more direct effect.
Is it advisable to use surface vibrators for concrete with high workability?
💡 Hint: Recall the key issues regarding workability.
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Challenge Problems
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You are tasked with consolidating a 200mm thick reinforced concrete slab, using the appropriate vibrators. Which type of vibrators would you select and why? Discuss the limitations of the alternative.
💡 Hint: Think about the thickness limitations of each type of vibrator.
If you are using a vibrating table for stiff concrete that has a frequency of 5,000 vibrations per minute, what amplitude setting would you recommend for optimal results? Justify your recommendation.
💡 Hint: Recall the guidelines for amplitude and frequency settings based on concrete consistency.
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