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Instabilities of cellular members loaded in bending or compression

Delphine Sonck UGent, Nicolas Boissonnade and Rudy Van Impe UGent (2012) Proceedings of the Annual Stability Conference Structural Stability Research Council.
abstract
Cellular members are I-section steel members with evenly spaced round web openings. The main advantage these members have over plain-webbed I-section members is their optimized material use in strong-axis bending. Consequently, they are principally used for applications in which they are loaded in bending, but they are also applied in cases where they are subjected to a combination of a compressive force and a bending moment. For cellular members loaded in bending, the current design approaches for global buckling give conflicting results, while for compressed cellular members and members loaded in compression and bending, research is lacking altogether. Before research can start on the last load combination, both extreme load cases of bending moment and normal force alone should be investigated first. In this paper, the global buckling behaviour of cellular members loaded in compression or bending will be investigated. For the bending moment load case, the most promising existing approach will be examined, as well as slight alterations to this approach. For the normal force load case, a new approach, based on the bending moment approach, will be proposed and examined. Based on the comparison of these approaches with results from numerical simulations for a wide variety of cellular beam geometries, the design approaches that give the best results will be determined.
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author
organization
year
type
conference
publication status
published
subject
in
Proceedings of the Annual Stability Conference Structural Stability Research Council
pages
18 pages
publisher
SSRC
place of publication
Grapevine, Texas, USA
conference name
Annual Stability Conference : Structural Stability Research Council (SSRC - 2012)
conference location
Grapevine, Texas, USA
conference start
2012-04-18
conference end
2012-04-21
ISBN
9781622760756
language
English
UGent publication?
yes
classification
C1
copyright statement
I have transferred the copyright for this publication to the publisher
id
2130229
handle
http://hdl.handle.net/1854/LU-2130229
date created
2012-06-04 10:30:21
date last changed
2013-11-19 08:59:44
@inproceedings{2130229,
  abstract     = {Cellular members are I-section steel members with evenly spaced round web openings. The main advantage these members have over plain-webbed I-section members is their optimized material use in strong-axis bending. Consequently, they are principally used for applications in which they are loaded in bending, but they are also applied in cases where they are subjected to a combination of a compressive force and a bending moment. For cellular members loaded in bending, the current design approaches for global buckling give conflicting results, while for compressed cellular members and members loaded in compression and bending, research is lacking altogether. Before research can start on the last load combination, both extreme load cases of bending moment and normal force alone should be investigated first. In this paper, the global buckling behaviour of cellular members loaded in compression or bending will be investigated. For the bending moment load case, the most promising existing approach will be examined, as well as slight alterations to this approach. For the normal force load case, a new approach, based on the bending moment approach, will be proposed and examined. Based on the comparison of these approaches with results from numerical simulations for a wide variety of cellular beam geometries, the design approaches that give the best results will be determined.},
  author       = {Sonck, Delphine and Boissonnade, Nicolas and Van Impe, Rudy},
  booktitle    = {Proceedings of the Annual Stability Conference Structural Stability Research Council},
  isbn         = {9781622760756},
  language     = {eng},
  location     = {Grapevine, Texas, USA},
  pages        = {18},
  publisher    = {SSRC},
  title        = {Instabilities of cellular members loaded in bending or compression},
  year         = {2012},
}

Chicago
Sonck, Delphine, Nicolas Boissonnade, and Rudy Van Impe. 2012. “Instabilities of Cellular Members Loaded in Bending or Compression.” In Proceedings of the Annual Stability Conference Structural Stability Research Council. Grapevine, Texas, USA: SSRC.
APA
Sonck, D., Boissonnade, N., & Van Impe, R. (2012). Instabilities of cellular members loaded in bending or compression. Proceedings of the Annual Stability Conference Structural Stability Research Council. Presented at the Annual Stability Conference : Structural Stability Research Council (SSRC - 2012), Grapevine, Texas, USA: SSRC.
Vancouver
1.
Sonck D, Boissonnade N, Van Impe R. Instabilities of cellular members loaded in bending or compression. Proceedings of the Annual Stability Conference Structural Stability Research Council. Grapevine, Texas, USA: SSRC; 2012.
MLA
Sonck, Delphine, Nicolas Boissonnade, and Rudy Van Impe. “Instabilities of Cellular Members Loaded in Bending or Compression.” Proceedings of the Annual Stability Conference Structural Stability Research Council. Grapevine, Texas, USA: SSRC, 2012. Print.