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5 cards from this section. Quick, good the night before a test.
What is the purpose of a surface vibrator?
Consider where the vibration is applied.
What are the three main stages of finishing?
Think of the process from leveling to polishing.
What is the primary advantage of internal vibrators over surface vibrators?
Consider how vibration is applied.
TRUE or FALSE: Surface vibrators are effective for slabs thicker than 150 mm.
What did the text say about effective depth?
You observed a mixture with a slump of 80 mm being vibrated with surface vibrators. Discuss the ramifications of this choice.
Recall the risks associated with high workability.
Design a workflow process for finishing a concrete slab, detailing when to use each finishing technique.
Consider the importance of timing at each stage.
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