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Racking behavior of steel frames braced with circumferentially bonded glass beams

Bert Van Lancker (UGent) , Jan Belis (UGent) and Wouter De Corte (UGent)
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Abstract
Cold-formed steel shear wall panels (CFSSWPs) are often used as primary lateral loading resisting elements in cold-formed steel building construction. Due to closely spaced studs - 300 mm to 600 mm are common values - only small openings can be created. Hence transparency - the characteristic of contemporary architecture - is rather limited. Therefore, to increase transparency of cold-formed steel buildings, glass can be used a load-bearing component by bracing cold-formed steel (CFS) frames with glass instead of traditional sheathing. For the load-bearing connection between the glass and the steel frame, a conventional two-component structural silicone Sikasil (R) SG-500 is considered. In this research, the racking behavior, i.e. in-plane lateral stiffness and strength, of a hybrid cold-formed steel-glass element is investigated by means of experimental tests, numerical analyses and analytical calculations. A 1 m by 1 m two-sides bonded and one-side bonded hybrid CFS-glass element, as well as the basic CFS frame, is tested in shear. The rotational stiffness of the corners of the basic-frame is experimentally determined and evaluated using analytical calculation methods. By means of numerical analyses, the significance of adhesive thickness, adhesive width, glass thickness and section thickness on the in-plane lateral stiffness of a hybrid CFS-glass element is assessed. A comparison with traditional CFSSWPs has to confirm the potential use of hybrid cold-formed steel-glass elements using structural silicones to provide sufficient in-plane lateral stiffness and strength.
Keywords
Structural glass, Metal, Adhesives, Component performance

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Citation

Please use this url to cite or link to this publication:

Chicago
Van Lancker, Bert, Jan Belis, and Wouter De Corte. 2018. “Racking Behavior of Steel Frames Braced with Circumferentially Bonded Glass Beams.” In GlassCon Global - Innovation in Glass Technology, 457–464. Oakbrook Terrace: FCA International.
APA
Van Lancker, B., Belis, J., & De Corte, W. (2018). Racking behavior of steel frames braced with circumferentially bonded glass beams. GlassCon Global - Innovation in Glass Technology (pp. 457–464). Presented at the GlassCon Global - Innovation in Glass Technology, Oakbrook Terrace: FCA International.
Vancouver
1.
Van Lancker B, Belis J, De Corte W. Racking behavior of steel frames braced with circumferentially bonded glass beams. GlassCon Global - Innovation in Glass Technology. Oakbrook Terrace: FCA International; 2018. p. 457–64.
MLA
Van Lancker, Bert, Jan Belis, and Wouter De Corte. “Racking Behavior of Steel Frames Braced with Circumferentially Bonded Glass Beams.” GlassCon Global - Innovation in Glass Technology. Oakbrook Terrace: FCA International, 2018. 457–464. Print.
@inproceedings{8582472,
  abstract     = {Cold-formed steel shear wall panels (CFSSWPs) are often used as primary lateral loading resisting elements in cold-formed steel building construction. Due to closely spaced studs - 300 mm to 600 mm are common values - only small openings can be created. Hence transparency - the characteristic of contemporary architecture - is rather limited. Therefore, to increase transparency of cold-formed steel buildings, glass can be used a load-bearing component by bracing cold-formed steel (CFS) frames with glass instead of traditional sheathing. For the load-bearing connection between the glass and the steel frame, a conventional two-component structural silicone Sikasil (R) SG-500 is considered. In this research, the racking behavior, i.e. in-plane lateral stiffness and strength, of a hybrid cold-formed steel-glass element is investigated by means of experimental tests, numerical analyses and analytical calculations. A 1 m by 1 m two-sides bonded and one-side bonded hybrid CFS-glass element, as well as the basic CFS frame, is tested in shear. The rotational stiffness of the corners of the basic-frame is experimentally determined and evaluated using analytical calculation methods. By means of numerical analyses, the significance of adhesive thickness, adhesive width, glass thickness and section thickness on the in-plane lateral stiffness of a hybrid CFS-glass element is assessed. A comparison with traditional CFSSWPs has to confirm the potential use of hybrid cold-formed steel-glass elements using structural silicones to provide sufficient in-plane lateral stiffness and strength.},
  author       = {Van Lancker, Bert and Belis, Jan and De Corte, Wouter},
  booktitle    = {GlassCon Global - Innovation in Glass Technology},
  isbn         = {978-0-9975156-1-9},
  keywords     = {Structural glass,Metal,Adhesives,Component performance},
  language     = {eng},
  location     = {Chicago},
  pages        = {457--464},
  publisher    = {FCA International},
  title        = {Racking behavior of steel frames braced with circumferentially bonded glass beams},
  year         = {2018},
}