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5 cards from this section. Quick, good the night before a test.
What is segregation in SCC?
Think about what happens to sand and gravel in the mix.
What can cause bleeding in concrete?
Consider what happens to water when there isn't enough material.
What defect is caused by a high water-to-powder ratio?
Think about the components of the concrete mix.
Is formwork bulging an issue that can lead to leakage of concrete?
Consider what happens when the formwork is under too much pressure.
If a construction team encounters significant segregation in their SCC mix during placement, devise a comprehensive plan to troubleshoot and mitigate the issue.
Consider what mixes lead to successful SCC.
During a pour, an engineer observes excess bleeding appearing on the SCC's surface. What steps should be taken to address this while maintaining the integrity of the pour?
Think about what additional materials can help enhance the mixture.
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