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4 cards from this section. Quick, good the night before a test.
What does the term 'carbon footprint' refer to?
Think about emissions related to production.
Name one supplementary cementitious material.
It’s a byproduct of coal combustion.
What is the main contributor to CO₂ emissions in concrete production?
Consider the production methods.
True or False: Recycled aggregates can diminish the carbon footprint of concrete.
Think about the environmental benefits of recycling.
Discuss the environmental impacts of cement versus using alternative materials such as fly ash in a concrete mix. How do they compare in terms of carbon footprint?
Assess both life cycles in your response.
Calculate the potential carbon savings from using 50% recycled aggregates in a concrete mix versus 100% virgin aggregates. Assume CO₂ emission factors are known.
Use the formula: (Emission Reduction from Recycling) = (Emission Factors) x (Volume Difference).
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