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2 cards from this section. Quick, good the night before a test.
What is the purpose of compaction in fresh concrete?
Think about how density affects concrete.
Name one method of mechanical compaction.
What helps to vibrate the concrete?
What is the primary purpose of compaction in fresh concrete?
What does compaction do to the concrete structure?
True or False: Over-vibrating concrete can improve its density.
Consider what can happen to the concrete mix.
Given a scenario where a construction team used mechanical vibration excessively, describe the consequences on the final concrete structure.
Think about how particles can displace from each other.
Consider a construction site where only hand compaction is feasible. Discuss how the team can minimize inconsistencies in their process.
How might they check their work?
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