TablesJ Design of connections

Column bases and bearing on concrete

PDF page 217 · AISC 360-22

Symbol	Definition	Section
$A_1$	= area of steel concentrically bearing on a concrete support, $\text{in.}^2$ $(\text{mm}^2)$
$A_2$	= maximum area of the portion of the supporting surface that is geometrically similar to and concentric with the loaded area, $\text{in.}^2$ $(\text{mm}^2)$
$f_c'$	= specified compressive strength of concrete, ksi (MPa)

Found in

Table J3.5: Values of Edge Distance Increment C₂, in

Table K2.1