KNOW? Portland Cement Association CO 2 Did you. U.S. cement manufacturing contributes of man-made...
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Transcript of KNOW? Portland Cement Association CO 2 Did you. U.S. cement manufacturing contributes of man-made...
![Page 1: KNOW? Portland Cement Association CO 2 Did you. U.S. cement manufacturing contributes of man-made CO2 in the U.S. 5% 4%3% 2%1.5% 2006 U.S. EPA Sector.](https://reader035.fdocuments.in/reader035/viewer/2022070403/56649f305503460f94c4b251/html5/thumbnails/1.jpg)
KNOW?
Portland
Cement
Association
CO2Did you
![Page 2: KNOW? Portland Cement Association CO 2 Did you. U.S. cement manufacturing contributes of man-made CO2 in the U.S. 5% 4%3% 2%1.5% 2006 U.S. EPA Sector.](https://reader035.fdocuments.in/reader035/viewer/2022070403/56649f305503460f94c4b251/html5/thumbnails/2.jpg)
U.S. cement manufacturing contributes
of man-made CO2 in the U.S.
5%4%3%2%1.5% 2006 U.S. EPA Sector Strategies
ReportCO2
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Composition
26% sand (fine aggregate)
7-15% Portland Cement
6% air41% crushed stone or gravel (coarse aggregate)
16% water
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33%
Manufacturing improvements have reduced the amount of CO2 generated by
since 1975
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300,000 cars
The annual equivalent emissions saved by 2004 ASTM
C150 specification change
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Second only to water, concrete is the most widely used man-made material. . .
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…more than all other building materials combined
World Business Council for Sustainable Development
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125 million
Estimated amount of concrete recycled each year
Construction Materials Recycling Association
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20 milliontons
of recycled industrial by-products used by cement and
concrete industry in 2006
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300”
of rain per hour
Rate of infiltration through pervious concrete paving
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33%
decrease in energy needed to make a ton of cement since 1975
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Reducing the daily high in Los Angeles by 7°F (4°C), a smaller heat island effect is estimated to eliminate two-thirds of smog episodes
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Impact of constructing a typical single family home
2-3%Impact of operating that same home for
100 years
97-98%
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Which slice of the pie are you working
on?Portland Cement Association