Formulas: Compression Flange Local Buckling

Equation F5-7

Equation F5-8

Equation F5-9

where

$\begin{aligned} k_{c} & =\frac{4}{\sqrt{h / t_{w}}} \text { and shall not be taken as less than } 0.35 \text { nor greater than } 0.76 \text { for calculation purposes } \\ \lambda & =\frac{b_{f c}}{2 t_{f c}}\end{aligned}$

$\lambda_{p f}=\lambda_{p}$, the limiting width-to-thickness ratio for a compact flange as defined in Table B4.1b

$\lambda_{r f}=\lambda_{r}$, the limiting width-to-thickness ratio for a noncompact flange as defined in Table B4.1b

Formula 4

$\lambda_{p f}=\lambda_{p}$, the limiting width-to-thickness ratio for a compact flange as defined in Table B4.1b

Formula 5

$\lambda_{r f}=\lambda_{r}$, the limiting width-to-thickness ratio for a noncompact flange as defined in Table B4.1b

Found in

• DOUBLY SYMMETRIC AND SINGLY SYMMETRIC I-SHAPED MEMBERS WITH SLENDER WEBS BENT ABOUT THEIR MAJOR AXIS