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Local/Distortional/Global Buckling Mode Interaction On Thin Walled Lipped Channel Columns

The document discusses buckling modes in thin-walled lipped channel columns under axial compression loads. It presents test data on the load-shortening behavior of different channel cross-sections made of steel with various yield strengths when subjected to axial loads. The test data is also compared to design equations from design standards. The results show interaction between local, distortional, and global buckling modes can occur for these types of columns.

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Yeris Fonseca
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35 views13 pages

Local/Distortional/Global Buckling Mode Interaction On Thin Walled Lipped Channel Columns

The document discusses buckling modes in thin-walled lipped channel columns under axial compression loads. It presents test data on the load-shortening behavior of different channel cross-sections made of steel with various yield strengths when subjected to axial loads. The test data is also compared to design equations from design standards. The results show interaction between local, distortional, and global buckling modes can occur for these types of columns.

Uploaded by

Yeris Fonseca
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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1363

Local/Distortional/Global Buckling Mode Interaction on


Thin Walled Lipped Channel Columns
1364
1365
1366
1367
1368
1369

Length in inches

LC-100-65-15-2

THICKNESS (mm)
LIP (mm)

FLANGE (mm)

WEB (mm)

LIPPED CHANNEL
1370

Axial Compression Load (kN) 180


160 fy = 250
140 fy = 350
120 fy = 550
100
80
60
40
20
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6
Axial Shortening (mm)
1371
1372
1373

350

300

250

200
P FEA

150

100

50
Regression line

0
0 50 100 150 200 250 300 350

P DSM
1374


1375

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