Design member L$_{1}$L$_{2}$ for compression for 2 ISA buckling class='c'

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Design member L

$_{1}$ L

$_{2}$ for compression for 2 ISA buckling class='c'

written 6.1 years ago by

teamques10 ★ 69k

design and drawing of steel structures

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written 6.1 years ago by

teamques10 ★ 69k

KL=0.85L=0.86 $\times$ 3000=2550mm

$\lambda=\frac{kL}{\gamma min}=\frac{2550}{18.2}$ =140.11

$\lambda$ $\ \ \ \ \ \ \ \$ 250mpa

140 $\ \ \ \ \$ 66.2

140 $\ \ \ \ \$ fcd

150 $\ \ \ \ \$ 59.2

fcd=66.123Mpa

PD=A prov $\times$ fcd=1368 $\times$ 66.123

=90.46kN $\lt$ 19.69kN

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