m - ACES
m - ACES
m - ACES
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21<br />
Shear behaviour of corrugated webs<br />
Strength of corrugated webs<br />
subjected to shear:<br />
- Local buckling (similar<br />
expression of the local buckling<br />
formula for normal plate girder<br />
developed by Timoshenko and<br />
Gere)<br />
2<br />
2<br />
E π E ⎛ a ⎞<br />
τ<br />
cr,L<br />
= kl<br />
⋅<br />
2 ⎜ ⎟<br />
12 ( 1 − ν<br />
) ⎝ w<br />
⎠<br />
- Global buckling (calculated<br />
from the orthotropic-plate<br />
buckling theory)<br />
τ<br />
E<br />
cr,G<br />
1 3 4<br />
y<br />
⋅D<br />
4<br />
x<br />
2<br />
D<br />
= k<br />
g<br />
⋅<br />
w ⋅h<br />
- The shear yield stress τ y is<br />
defined by the Huber-Von<br />
Mises-Hencky yield criterion<br />
f<br />
y<br />
τ<br />
y<br />
= ≈ 0 58<br />
3<br />
. f<br />
INTERACTIVE BUCKLING<br />
STRENGTH<br />
y
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