Zero carbon built environment #3: Increasing the use of supplementary cementitious materials (SCMs) in concrete production in New Zealand (June 2022)

Replacing 30% of the Portland cement in concrete with SCMs could reduce the embodied carbon in concrete by as much as 20%. Read an overview of the findings from an experimental research programme led by Concrete New Zealand, with the University of Canterbury in 2020 to investigate materials, test methods and compare performance with international norms and standards.

BRANZ External Research Report ER66 gives more details.