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4 cards from this section. Quick, good the night before a test.
What is the primary purpose of concrete consolidation?
Think about what weaknesses air can introduce into concrete.
What is an internal vibrator?
What tool helps concrete behave like a liquid?
What is the primary goal of concrete consolidation?
Think about concrete's structure and air.
True or False: Over-vibrating concrete can lead to segregation.
Consider what happens to the components of the mix.
You are constructing a concrete foundation. The aggregate size is larger than 25 mm, and you notice the concrete isn't flowing well. What actions would you take to ensure effective consolidation?
Think about adjusting both the tools and the mixture.
Explain how the consistency of concrete impacts the efficacy of internal vibrators and what adjustments might be necessary when using lightweight aggregates.
What about the nature of the aggregates affects their interaction with water?
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