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

Bert Van Lancker (UGent) , Wouter De Corte (UGent) and Jan Belis (UGent)
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Abstract
In façade engineering frame-supported glass structures usually consist of glass plates mounted into a framework of metallic elements. As the shear transfer capacity at the interface of glass and metal metal is often rather limited, these units are structurally not fully efficient. To obtain a structural glass unit, a cold-formed steel (CFS) frame is stabilised by glass panels which are adhesively bonded to the individual CFS members. As such, the joint-glass system restrains the CFS members vertically and horizontally. However, also a rotational restraint is introduced. In this research, the rotational stiffness of linear adhesive connections of cold-formed steel C-sections and monolithic glass panels is determined by means of experimental testing and numerical modelling. A conventional structural silicone is considered for these load-bearing CFS-glass connections. This paper reports about the experimentally obtained data by means of so-called Peköz-tests, which are compared to results obtained from a numerical model. Subsequently, the latter is also used to investigate the influence of different parameters on the translational and rotational stiffness of the adhesive CFS-glass connections. The experimentally determined rotational constraint for the adhesive CFS-glass connection considered in this paper was higher than the rotational constraint for a comparable traditional screwed CFS-OSB or CFS-gypsum connection. Therefore the study revealed the potential of this connection to provide a sufficient rotational stiffness of a cold-formed steel frame braced with circumferentially adhesive bonded glass panels.
Keywords
linear adhesive connection, adhesives, rotational restraint, cold-formed steel, glass panel

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MLA
Van Lancker, Bert, Wouter De Corte, and Jan Belis. “Rotational Stiffness of Linear Adhesive Connections Between Cold-formed Steel Members and Glass Panels.” GlassCon Global, Proceedings. Philadelphia, Pennsylvania , USA: GlassCon Global, 2014. 729–746. Print.
APA
Van Lancker, B., De Corte, W., & Belis, J. (2014). Rotational stiffness of linear adhesive connections between cold-formed steel members and glass panels. GlassCon Global, Proceedings (pp. 729–746). Presented at the GlassCon Global, Philadelphia, Pennsylvania , USA: GlassCon Global.
Chicago author-date
Van Lancker, Bert, Wouter De Corte, and Jan Belis. 2014. “Rotational Stiffness of Linear Adhesive Connections Between Cold-formed Steel Members and Glass Panels.” In GlassCon Global, Proceedings, 729–746. Philadelphia, Pennsylvania , USA: GlassCon Global.
Chicago author-date (all authors)
Van Lancker, Bert, Wouter De Corte, and Jan Belis. 2014. “Rotational Stiffness of Linear Adhesive Connections Between Cold-formed Steel Members and Glass Panels.” In GlassCon Global, Proceedings, 729–746. Philadelphia, Pennsylvania , USA: GlassCon Global.
Vancouver
1.
Van Lancker B, De Corte W, Belis J. Rotational stiffness of linear adhesive connections between cold-formed steel members and glass panels. GlassCon Global, Proceedings. Philadelphia, Pennsylvania , USA: GlassCon Global; 2014. p. 729–46.
IEEE
[1]
B. Van Lancker, W. De Corte, and J. Belis, “Rotational stiffness of linear adhesive connections between cold-formed steel members and glass panels,” in GlassCon Global, Proceedings, Pennsylvania, USA, 2014, pp. 729–746.
@inproceedings{5719146,
  abstract     = {In façade engineering frame-supported glass structures usually consist of glass plates mounted into a framework of metallic elements. As the shear transfer capacity at the interface of glass and metal metal is often rather limited, these units are structurally not fully efficient. To obtain a structural glass unit, a cold-formed steel (CFS) frame is stabilised by glass panels which are adhesively bonded to the individual CFS members. As such, the joint-glass system restrains the CFS members vertically and horizontally. However, also a rotational restraint is introduced. In this research, the rotational stiffness of linear adhesive connections of cold-formed steel C-sections and monolithic glass panels is determined by means of experimental testing and numerical modelling.  A conventional structural silicone is considered for these load-bearing CFS-glass connections. This paper reports about the experimentally obtained data by means of so-called Peköz-tests, which are compared to results obtained from a numerical model. Subsequently, the latter is also used to investigate the influence of different parameters on the translational and rotational stiffness of the adhesive CFS-glass connections. The experimentally determined rotational constraint for the adhesive CFS-glass connection considered in this paper was higher than the rotational constraint for a comparable traditional screwed CFS-OSB or CFS-gypsum connection. Therefore the study revealed the potential of this connection to provide a sufficient rotational stiffness of a cold-formed steel frame braced with circumferentially adhesive bonded glass panels.},
  author       = {Van Lancker, Bert and De Corte, Wouter and Belis, Jan},
  booktitle    = {GlassCon Global, Proceedings},
  keywords     = {linear adhesive connection,adhesives,rotational restraint,cold-formed steel,glass panel},
  language     = {eng},
  location     = {Pennsylvania, USA},
  pages        = {729--746},
  publisher    = {GlassCon Global},
  title        = {Rotational stiffness of linear adhesive connections between cold-formed steel members and glass panels},
  year         = {2014},
}