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2 cards from this section. Quick, good the night before a test.
What does the slump test measure?
Think about how the concrete behaves when placed.
Why is it important to check the air content in concrete?
Consider the effects of freezing temperatures.
What is measured in a slump test?
Think about how we can identify if concrete is too stiff or fluid.
True or False: Higher air content in concrete reduces its durability.
Consider why air might be beneficial in certain climates.
A construction team uses a water-cement ratio of 0.4 but encounters discrepancies in slump test results. How would you investigate the root cause of the issue?
Consider each factor that affects the fluidity of the mix.
After completing the slump test and air content test, you discover lower than expected performance in the hardened concrete. What might have gone wrong during the fresh concrete testing phase?
Think about how testing conditions might differ from real-world application.
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