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3 cards from this section. Quick, good the night before a test.
What is the typical water-binder ratio range for high performance concrete?
Think about how much water is generally needed for the strength of HPC.
Why is the water-binder ratio important?
Consider what happens to concrete’s properties if too much water is added.
What is the ideal water-binder ratio range for high performance concrete?
Recall the figures we discussed in class regarding w/b ratios.
True or False: A lower water-binder ratio always leads to higher workability.
Think of the mixing challenges faced with lower water content.
Given a specific construction project with high exposure to chlorides, explain how you would determine the appropriate water-binder ratio.
Reflect on how environmental agents affect concrete performance.
A civil engineer proposes to use a w/b ratio of 0.20 for an HPC mix. What considerations should they keep in mind regarding workability?
Think about how low w/b ratios change the flow properties of concrete.
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