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4 cards from this section. Quick, good the night before a test.
What is segregation in concrete?
Think of what happens when heavier particles move to the bottom.
How high should concrete be allowed to free-fall?
Recall the height limit discussed in class.
What is the maximum height for free-fall of concrete?
Review the height limit discussed earlier.
True or False: Concrete should be transported for more than 30 minutes after mixing before placement.
Think about the hydration process.
You are responsible for transporting concrete for a high-rise project. Discuss the steps you would take to ensure minimal segregation and effective transportation.
Consider the construction site's vertical and horizontal reach when choosing equipment.
Imagine you neglected the timing rule and allowed concrete to set for 40 minutes before placement. Analyze the potential outcomes and remedies available.
Think about why timing is crucial during the hydration process.
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