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2 cards from this section. Quick, good the night before a test.
Define material efficiency in high performance concrete.
Think about how we can do more with less.
Name one supplementary cementitious material.
It helps improve concrete properties.
What does material efficiency in concrete refer to?
It involves doing more with less.
True or False: Supplementary cementitious materials increase the amount of cement used in concrete.
Think about what 'supplementary' means.
If a typical concrete mix uses 400 kg of cement per cubic meter, calculate the reduction in cement use if 30% of the cement is replaced with fly ash. Specify environmental impacts.
Consider the overall benefits of reducing cement quantity.
Compare two designs of a bridge, one using conventional concrete and the other using HPC. Discuss how material efficiency affects the environmental footprint and longevity of each design.
Reflect on the sustainability of each construction method in terms of materials used.
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