California Department of Transportation
 

Cement Replacement (In Concrete Mixes)

Blending cement with Supplementary Cementitious Materials (SCMs) reduces GHG emissions. Common SCMs in use include slag, fly ash, silica fume, and calcined clay. Using two or more SCMs together with portland cement is referred to as a ternary cement mix. Proper use of ternary mixes comprised of fly ash and slag produce not only less but also better quality concrete. The addition of SCM at concrete batch plants has the potential to significantly impact GHG savings..

 

 

 

 

 

 

 

 

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