One-Way Slab Reinforcement Limits.

International Design Codes

ACI 318-19 : One-Way Slab Reinforcement Limits per ACI 318-19 with ideCAD

TSC 2018 :

Symbols in ACI 318-19

A_ps = area of nonprestressed and prestressed longitudinal tension reinforcement, in.2
A_v = area of shear reinforcement within spacing s, in.2
A_v,min = minimum area of shear reinforcement within spacing s, in.2
b_w = web width or diameter of circular section, in.
d = distance from extreme compression fiber to centroid of longitudinal tension reinforcement, in.
f_c^' = specified compressive strength of concrete, psi
√f_c^‘ = square root of specified compressive strength of concrete, psi
f_y = specified yield strength for nonprestressed reinforcement, psi
f_yt = specified yield strength of transverse reinforcement, psi
h = overall thickness, height, or depth of member, in.
s = center-to-center spacing transverse reinforcement, in
f_pu = specified tensile strength of reinforcement, psi