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5 cards from this section. Quick, good the night before a test.
What is the setting time of concrete?
Think about what happens when concrete starts to harden.
Define 'Initial Setting Time.'
Consider when you can no longer work with the concrete.
What does the initial setting time signify?
Relate it to the moment you can’t work with the concrete anymore.
True or False: A higher water-cement ratio will always decrease the setting time.
Think about the balance of water in the concrete mix.
Calculate the impact of adding a high-range water reducer on the setting time of concrete under extremely high temperatures. Consider average variables from your knowledge.
Consider how admixtures interact with temperature.
Evaluate a construction scenario where quick setting is desired. List potential admixtures that could be used and their effects.
Think about how the project timeline influences your choices.
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