Aci 318.11 [better]

A 1950s concrete tilt-up warehouse is being converted into luxury apartments. The new use requires higher live loads (100 psf vs. 50 psf original).

The fundamental calculation in ACI 318.11 is the nominal shear strength of the wall. The code breaks this down into two components: the strength provided by the concrete ($V_c$) and the strength provided by the reinforcing steel ($V_s$). aci 318.11

Failure to follow ACI 318.11 means your evaluation has no legal standing under the IBC. This can stop permits, void insurance, and create liability in an earthquake. A 1950s concrete tilt-up warehouse is being converted