ACI Strength - ASTM C39 & C1231 Compressive Strength & Unbonded Caps - CRMCA Accessible Procedures

**Still valid in 2025** CRMCA presents the Accessible Procedures for preparing for ACI certifications. C39/C39M—Compressive Strength of Cylindrical Concrete Specimens C1231/C1231M—Use of Unbonded Caps in Determination of Compressive Strength of Hardened Cylindrical Concrete Specimens Thanks to Cesare, Inc. for allowing us in their lab!! www.cesare.com ------------------------------------------------------------------ CRMCA website: https://www.crmca.org/ CRMCA Registration for ACI: https://www.crmca.org/american-concre... ACI website: https://www.concrete.org/ ASTM website: https://www.astm.org/ Background Music by Modal Youth - Concrete Pilots (Cospe Remix) (Instrumental Version) https://www.epidemicsound.com/