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The document summarizes research on using high volumes of fly ash (HVFA) in concrete to reduce the carbon dioxide emissions per cubic yard. It examines mixtures with fly ash replacements of 0-80% and water-to-cement ratios of 0.42-0.30. Testing showed HVFA mixtures can achieve equivalent early strength to standard mixtures but with lower CO2 emissions. HVFA mixtures experience more autogenous shrinkage due to lower internal humidity. The addition of internal curing using lightweight aggregates was shown to

Author

masteriraga

Language

EN