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Translational stiffness of adhesive connections between cold-formed steel members and glass panels

Bert Van Lancker (UGent) , Jonas Dispersyn (UGent) , Kenny Martens (UGent) , Wouter De Corte (UGent) and Jan Belis (UGent)
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Abstract
The strive of architects for maximum transparency and maximum lightness encounters issues in the cold-formed steel building industry. Closely spaced vertical members are needed to develop the unique properties these structures have, resulting however in only small openings. To increase the transparency of cold-formed steel frames, traditional sheeting materials which are screwed onto the frame are replaced by glass panes which are adhesively bonded to the frame using a structural sealant. In case of such structural hybrid cold-formed steel-glass elements, the sealant-glass system restrains the cold-formed steel members vertically, horizontally and rotationally. In this research, the horizontal translational stiffness of a linear structural sealant connection between cold-formed steel members and monolithic glass panels is determined by means of experimental testing. This paper reports about the obtained data from these experiments. Box-type specimens consisting of two cold-formed steel C-sections or tubular sections adhesively ‘sandwiched’ between two monolithic glass panels were subjected to a tensile force, such that shear must develop in the structural sealant. The horizontal translational stiffness k derived from the experimental relationship between the applied load and the relative displacement between glass and steel, had the same order of magnitude as comparable traditional screwed cold-formed steel-OSB or cold-formed steel-gypsum connections. This study, therefore, demonstrated the potential of these linear adhesive connections to provide sufficient horizontal translational stiffness of a cold-formed steel frame braced with adhesively bonded glass panels.
Keywords
translational stiffness, adhesive connection, structural glass, cold-formed steel

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Chicago
Van Lancker, Bert, Jonas Dispersyn, Kenny Martens, Wouter De Corte, and Jan Belis. 2015. “Translational Stiffness of Adhesive Connections Between Cold-formed Steel Members and Glass Panels.” In Glass Performance Days 2015, Proceedings, 291–296. Finland: Glass Performance Days - Tammerprint Oy.
APA
Van Lancker, B., Dispersyn, J., Martens, K., De Corte, W., & Belis, J. (2015). Translational stiffness of adhesive connections between cold-formed steel members and glass panels. Glass Performance Days 2015, Proceedings (pp. 291–296). Presented at the Glass Performance Days 2015, Finland: Glass Performance Days - Tammerprint Oy.
Vancouver
1.
Van Lancker B, Dispersyn J, Martens K, De Corte W, Belis J. Translational stiffness of adhesive connections between cold-formed steel members and glass panels. Glass Performance Days 2015, Proceedings. Finland: Glass Performance Days - Tammerprint Oy; 2015. p. 291–6.
MLA
Van Lancker, Bert, Jonas Dispersyn, Kenny Martens, et al. “Translational Stiffness of Adhesive Connections Between Cold-formed Steel Members and Glass Panels.” Glass Performance Days 2015, Proceedings. Finland: Glass Performance Days - Tammerprint Oy, 2015. 291–296. Print.
@inproceedings{6881803,
  abstract     = {The strive of architects for maximum transparency and maximum lightness encounters issues in the cold-formed steel building industry. Closely spaced vertical members are needed to develop the unique properties these structures have, resulting however in only small openings. To increase the transparency of cold-formed steel frames, traditional sheeting materials which are screwed onto the frame are replaced by glass panes which are adhesively bonded to the frame using a structural sealant. In case of such structural hybrid cold-formed steel-glass elements, the sealant-glass system restrains the cold-formed steel members vertically, horizontally and rotationally. In this research, the horizontal translational stiffness of a linear structural sealant connection between cold-formed steel members and monolithic glass panels is determined by means of experimental testing. This paper reports about the obtained data from these experiments. Box-type specimens consisting of two cold-formed steel C-sections or tubular sections adhesively ‘sandwiched’ between two monolithic glass panels were subjected to a tensile force, such that shear must develop in the structural sealant. The horizontal translational stiffness k derived from the experimental relationship between the applied load and the relative displacement between glass and steel, had the same order of magnitude as comparable traditional screwed cold-formed steel-OSB or cold-formed steel-gypsum connections. This study, therefore, demonstrated the potential of these linear adhesive connections to provide sufficient horizontal translational stiffness of a cold-formed steel frame braced with adhesively bonded glass panels.},
  author       = {Van Lancker, Bert and Dispersyn, Jonas and Martens, Kenny and De Corte, Wouter and Belis, Jan},
  booktitle    = {Glass Performance Days 2015, Proceedings},
  isbn         = {9789525836035},
  keywords     = {translational stiffness,adhesive connection,structural glass,cold-formed steel},
  language     = {eng},
  location     = {Tampere Finland},
  pages        = {291--296},
  publisher    = {Glass Performance Days - Tammerprint Oy},
  title        = {Translational stiffness of adhesive connections between cold-formed steel members and glass panels},
  year         = {2015},
}