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Steel Column Buckling

AISC 360 §E3 column compression capacity — Fe, Fcr, Pn, φPn for any KL/r including elastic and inelastic ranges.

Inputs

AISC 360 §E3
  • Fe = π²E / (KL/r)².
  • If KL/r ≤ 4.71√(E/Fy): Fcr = (0.658^(Fy/Fe))·Fy else Fcr = 0.877·Fe.
  • Pn = Fcr·A, φPn = 0.9·Pn.

Results

KL/r (slenderness)
Slenderness Limit
Fe (Euler)
Fcr
Pn
φPn
Mode