Materials and Reduction Factors per ACI 318-19 §19, §20, and §21

Materials

The design properties of the concrete material are to be selected under ACI Chapter 19.

The design properties of the reinforcement material are to be selected under ACI Chapter 20.

Strength Reduction Factors

The strength reduction factor used in the sectional design is determined according to ACI Chapter 21.



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Concrete and Reinforcement Materials per ACI 318-19 with ideCAD