ce591gussetpl_f13
DESCRIPTION
Gusset PlatesTRANSCRIPT
![Page 1: CE591gussetPL_F13](https://reader030.vdocuments.us/reader030/viewer/2022032515/563db901550346aa9a9911de/html5/thumbnails/1.jpg)
CE591 Lecture 18 – Gusset Plates
Objectives
• Identify types of gusset plates for
braced frames
•Discuss failure modes of gusset plates
• Identify procedures for design of
gusset plates
•Design a gusset plate
![Page 2: CE591gussetPL_F13](https://reader030.vdocuments.us/reader030/viewer/2022032515/563db901550346aa9a9911de/html5/thumbnails/2.jpg)
Connections – Gusset Plates
Wang Hall, Purdue
![Page 3: CE591gussetPL_F13](https://reader030.vdocuments.us/reader030/viewer/2022032515/563db901550346aa9a9911de/html5/thumbnails/3.jpg)
Connections – Gusset Plates
Lamar Corp.
Headquarters
Images courtesy of
Elisabeth Wong, SDI
Structures
![Page 4: CE591gussetPL_F13](https://reader030.vdocuments.us/reader030/viewer/2022032515/563db901550346aa9a9911de/html5/thumbnails/4.jpg)
![Page 5: CE591gussetPL_F13](https://reader030.vdocuments.us/reader030/viewer/2022032515/563db901550346aa9a9911de/html5/thumbnails/5.jpg)
![Page 6: CE591gussetPL_F13](https://reader030.vdocuments.us/reader030/viewer/2022032515/563db901550346aa9a9911de/html5/thumbnails/6.jpg)
CSEL, Purdue
![Page 7: CE591gussetPL_F13](https://reader030.vdocuments.us/reader030/viewer/2022032515/563db901550346aa9a9911de/html5/thumbnails/7.jpg)
CSEL, Purdue
![Page 8: CE591gussetPL_F13](https://reader030.vdocuments.us/reader030/viewer/2022032515/563db901550346aa9a9911de/html5/thumbnails/8.jpg)
CSEL, Purdue
![Page 9: CE591gussetPL_F13](https://reader030.vdocuments.us/reader030/viewer/2022032515/563db901550346aa9a9911de/html5/thumbnails/9.jpg)
CSEL, Purdue
![Page 10: CE591gussetPL_F13](https://reader030.vdocuments.us/reader030/viewer/2022032515/563db901550346aa9a9911de/html5/thumbnails/10.jpg)
CSEL, Purdue
![Page 11: CE591gussetPL_F13](https://reader030.vdocuments.us/reader030/viewer/2022032515/563db901550346aa9a9911de/html5/thumbnails/11.jpg)
CSEL, Purdue
![Page 12: CE591gussetPL_F13](https://reader030.vdocuments.us/reader030/viewer/2022032515/563db901550346aa9a9911de/html5/thumbnails/12.jpg)
CSEL, Purdue
![Page 13: CE591gussetPL_F13](https://reader030.vdocuments.us/reader030/viewer/2022032515/563db901550346aa9a9911de/html5/thumbnails/13.jpg)
CSEL, Purdue
![Page 14: CE591gussetPL_F13](https://reader030.vdocuments.us/reader030/viewer/2022032515/563db901550346aa9a9911de/html5/thumbnails/14.jpg)
Gusset Plates – Critical Stresses?
• Tests on behavior since 1930’s
• Whitmore (1952)
• Tested aluminum joints
• Created plots of strain gage
measurements showing stress trajectories
• Whitmore Section
• 30 degree stress distribution giving an
“effective area” of the gusset plate
• Gives good prediction of peak stress
![Page 15: CE591gussetPL_F13](https://reader030.vdocuments.us/reader030/viewer/2022032515/563db901550346aa9a9911de/html5/thumbnails/15.jpg)
http://www.sciencedirect.com/science/article/pii/S0263823112000742
http://www.aisc.org/dynamictaxonomyfaqs.aspx?id=1728
Also see AISC Fig. 9-1
![Page 16: CE591gussetPL_F13](https://reader030.vdocuments.us/reader030/viewer/2022032515/563db901550346aa9a9911de/html5/thumbnails/16.jpg)
Limit States (Gusset Plate)
• Block Shear (tension)
• Often controls tensile capacity (based on survey of tests (Cheng,
Grondin, Yam))
• Buckling (compression)
• Yield – Whitmore section
• Net section fracture – Whitmore section
• may be too conservative of a check if not a seismic application
• Bolt bearing
• Failure of connections (welds / bolts) to beam and column
• Buckling of free edge
• Local web crippling / yielding of beams / columns