CRMCA presents the Online Concrete Procedures for preparing for ACI certifications.
ASTM C143/C143M — Slump of HydraulicCement Concrete
**Updated for 2022**
CRMCA website: https://www.crmca.org/
CRMCA Registration for ACI: https://www.crmca.org/americanconcre...
ACI website: https://www.concrete.org/
ASTM website: https://www.astm.org/
Thank you to those that allowed us to utilize their information:
CMEC: https://cmec.org/