Concrete Industry Calendar

Emerging Approaches for Reducing Concrete CO2 Emissions Using Novel Supplementary Cementitious Materials

April 8, 2025 to April 8, 2025

Starting Time:   1:00PM EST

End Time:   2:00PM EST

Sponsor(s): ACI

Description:
Concrete production contributes 6-8% of global CO2 emissions; reducing this amount is critical. Two emerging approaches to reduce the CO2 emissions of concrete are highlighted: novel supplementary cementitious materials (SCMs) and carbon mineralization. Novel SCMs, including “manufactured SCMs,” are introduced alongside methods for measuring their reactivity. Additionally, an overview of various carbon mineralization strategies is presented, such as carbonation curing during mixing, carbonation of recycled concrete aggregates, carbonation hardening/curing, and carbonation of SCMs/fillers. Research needs, fundamental and applied, in this research space, are highlighted.

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