Civil Engineering Reference
In-Depth Information
Figure 4.1
Local buckling of an I-section column.
1.0
Complete yielding
0.8
Overall elastic
buckling
N
cr
/
N
y
0.6
Ultimate strength
without local buckling
N
ult
/
N
y
0.4
0.2
Ultimate strength
reduced by local buckling
N
ult
/
N
y
0
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
Modified slenderness (
N
y
/
N
cr
)
Figure 4.2
Effects of local buckling on the resistances of compression members.
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