To learn more about SCMs, read up on the following standards.

ACI Documents
ACI 211.1, “Standard Practice for Selecting Proportions for Normal, Heavyweight and Mass Concrete”
ACI 232.1, “Use of Raw or Processed Natural Pozzolans in Concrete”
ACI 232.2, “Use of Fly Ash in Concrete”
ACI 234, “Guide for the Use of Silica Fume in Concrete”

ASTM Documents
ASTM C 618, “Standard Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolans for Use in Concrete”
ASTM C 1240, “Standard Specification for Silica Fume Used in Cementitious Mixtures”

 

 

 

 

Scanning electron micrograph of fly ash