Paper - A novel approach to beneficially using carbon dioxide to produce ready mixed concrete was investigated during two pilot demonstrations during the summer of 2013. Gaseous carbon dioxide was introduced into industrially produced ready mixed concrete during mixing. The carbon dioxide was thereby absorbed into the concrete to form thermodynamically stable carbonate reaction products distributed throughout the concrete matrix. The effects of the absorbed carbon dioxide on the concrete temperature, slump, slump life, heat evolution, compressive strength, flexural strength, and rapid chloride permeability test performance were examined.
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