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3 cards from this section. Quick, good the night before a test.
What does water absorption indicate in aggregates?
Think about the relationship between aggregates and water.
How is the percentage of water absorption calculated?
Consider dry and soaked weights.
What is the formula for calculating water absorption percentage?
Remember to focus on the weights before and after soaking.
True or False: A high water absorption indicates low porosity in aggregates.
Consider what porosity means for water retention.
Aggregate A has a dry weight of 150 kg and a soaked weight of 165 kg. Calculate the water absorption percentage and discuss its implications for concrete mix design.
Remember the formula for water absorption.
You are using aggregate with a water absorption of 8%. If the concrete mix design specifies a water-cement ratio of 0.5, how would you determine the necessary water content to achieve proper workability?
Think about how identifying the total water requirement is essential for concrete consistency.
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