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One-Way Slab Design Strength.

  • Both flexural moment and shear strength is controlled automatically according to Codes.


International Design Codes

ACI 318-19 : One-Way Slab Design Strength per ACI 318-19 with ideCAD

TSC 2018 :


Symbols in ACI 318-19

Mu = factored flexural moment at section, lb
Mn = nominal flexural strength at section, in.-lb
f'c = specified comprehensive strength of concrete, psi
Ac-sh = area of concrete used to determine shear stress, in2
Ag = gross area of concrete section, in2
bw = web width or diameter of circular section, in.
d = distance from extreme compression fiber to centroid of longitudinal tension reinforcement, in.
h = overall thickness, height, or depth of member, in.
s = center-to-center spacing transverse reinforcement, in
Vc = nominal shear strength provided by concrete, lb
Vn = nominal shear strength, lb
Vs = nominal shear strength provided by shear reinforcement, lb
Vu = factored shear force at section, lb


Moment

Nominal flexural strength is calculated as shown below.


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