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4 cards from this section. Quick, good the night before a test.
What is water usage efficiency in concrete?
Think about what practices help in conserving water.
Why is it advantageous to use recycled water in concrete?
Consider sources of water that can be reused.
What is one main strategy for improving water usage efficiency in concrete production?
Think about ways to reduce the amount of fresh water needed.
Using a low water-cement ratio enhances concrete strength.
Recall how water affects concrete quality.
If a construction project aims to improve water efficiency by using recycled water, estimate the percentage of fresh water that could be saved in a large concrete pour if 50% of the water used is recycled. Assume the total water requirement is 10,000 liters.
Calculate half of the total water requirement.
Describe how using moisture-retaining aggregates can reduce the risk of drying too quickly in a hot climate. Provide at least two benefits.
Consider the effects of climate on curing time.
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