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3 cards from this section. Quick, good the night before a test.
Define workability in concrete.
Think about the handling attributes of wet concrete.
Name one factor that affects workability.
Consider what happens when you add more or less water.
What is the primary purpose of the slump test?
Consider why you'd check how mix settles.
True or False: Adding more water always increases the strength of concrete.
Think about the balance between workability and strength.
Design a concrete mix for a hot climate. What factors will you consider to ensure optimal workability?
Think about temperature impacts on mixing times.
Calculate the impact of water-cement ratio on the strength of concrete if suddenly the water content in mix increases by 30%. What’s the likely outcome?
Recall how water strengthens and weakens concrete.
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