The minimum diaphragm thickness is controlled and reported automatically according to Codes for flat slabs.
The minimum diaphragm thickness is controlled and reported automatically according to Codes for beam-to-slabs.
International Design Codes
ACI 318-19 : Diaphragm Design Limits per ACI 318-19 with ideCAD
TSC 2018 :
Symbols in ACI 318-19
h = overall thickness, height, or depth of member, in.
ln = length of clear span measured face-to-face of supports, in.
fy = specified yield strength for nonprestressed reinforcement, psi
αfm = average value of αf for all beams on edges of a panel
Next Topic