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Application of digital image correlation in linear structural adhesive glass-metal connection testing

Bert Van Lancker (UGent) , Stijn Hertelé (UGent) , Wouter De Corte (UGent) , Jonas Dispersyn (UGent) , Wim De Waele (UGent) and Jan Belis (UGent)
(2016) GlassCon Global. p.305-313
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Abstract
The study of structural adhesive connections between glass and metals belongs to a relatively juvenile field of research in building construction. Mechanical tests to assess the structural performance of such connections and to comprehend the behaviour of the adhesive joint under loading are therefore essential. One of the difficulties encountered during mechanical tests is the practical inability of traditional measuring techniques, such as strain gauges, to determine the strain distribution in the adhesive layer. Strains, from which stresses can be calculated, are of fundamental importance as the design of structural adhesive glass-metal connections is based on cohesive failure of the adhesive layer. For that reason, Digital Image Correlation (DIC) could be an innovative and reliable alternative to measure full-field strain in the adhesive layer during mechanical testing. In this research, the application possibilities and limits of DIC are investigated to characterise strains in the cross-section of the adhesive layer of linear adhesive cold-formed steel-glass connections during experimental tests. This paper reports on the possibilities and pitfalls of this measurement technique for the considered application and deals with practicalities and points of interest. DIC-results obtained during experimental tests, referred to as case studies, are presented as well. From these case studies, the conclusion was drawn that in structural adhesive glass-metal connection testing for practical applications or design purposes, digital image correlation is highly complementary to conventional strain measurement techniques.
Keywords
structural adhesive, glass, cold-formed steel, digital image correlation, measuring techniques, strain

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MLA
Van Lancker, Bert, Stijn Hertelé, Wouter De Corte, et al. “Application of Digital Image Correlation in Linear Structural Adhesive Glass-metal Connection Testing.” GlassCon Global. Oakbrook Terrace: FCA Conferences, LLC, 2016. 305–313. Print.
APA
Van Lancker, B., Hertelé, S., De Corte, W., Dispersyn, J., De Waele, W., & Belis, J. (2016). Application of digital image correlation in linear structural adhesive glass-metal connection testing. GlassCon Global (pp. 305–313). Presented at the GlassCon Global, Oakbrook Terrace: FCA Conferences, LLC.
Chicago author-date
Van Lancker, Bert, Stijn Hertelé, Wouter De Corte, Jonas Dispersyn, Wim De Waele, and Jan Belis. 2016. “Application of Digital Image Correlation in Linear Structural Adhesive Glass-metal Connection Testing.” In GlassCon Global, 305–313. Oakbrook Terrace: FCA Conferences, LLC.
Chicago author-date (all authors)
Van Lancker, Bert, Stijn Hertelé, Wouter De Corte, Jonas Dispersyn, Wim De Waele, and Jan Belis. 2016. “Application of Digital Image Correlation in Linear Structural Adhesive Glass-metal Connection Testing.” In GlassCon Global, 305–313. Oakbrook Terrace: FCA Conferences, LLC.
Vancouver
1.
Van Lancker B, Hertelé S, De Corte W, Dispersyn J, De Waele W, Belis J. Application of digital image correlation in linear structural adhesive glass-metal connection testing. GlassCon Global. Oakbrook Terrace: FCA Conferences, LLC; 2016. p. 305–13.
IEEE
[1]
B. Van Lancker, S. Hertelé, W. De Corte, J. Dispersyn, W. De Waele, and J. Belis, “Application of digital image correlation in linear structural adhesive glass-metal connection testing,” in GlassCon Global, Boston, Massachusetts, 2016, pp. 305–313.
@inproceedings{8036539,
  abstract     = {The study of structural adhesive connections between glass and metals belongs to a relatively juvenile field of research in building construction. Mechanical tests to assess the structural performance of such connections and to comprehend the behaviour of the adhesive joint under loading are therefore essential. One of the difficulties encountered during mechanical tests is the practical inability of traditional measuring techniques, such as strain gauges, to determine the strain distribution in the adhesive layer. Strains, from which stresses can be calculated, are of fundamental importance as the design of structural adhesive glass-metal connections is based on cohesive failure of the adhesive layer. For that reason, Digital Image Correlation (DIC) could be an innovative and reliable alternative to measure full-field strain in the adhesive layer during mechanical testing. In this research, the application possibilities and limits of DIC are investigated to characterise strains in the cross-section of the adhesive layer of linear adhesive cold-formed steel-glass connections during experimental tests. This paper reports on the possibilities and pitfalls of this measurement technique for the considered application and deals with practicalities and points of interest. DIC-results obtained during experimental tests, referred to as case studies, are presented as well. From these case studies, the conclusion was drawn that in structural adhesive glass-metal connection testing for practical applications or design purposes, digital image correlation is highly complementary to conventional strain measurement techniques.},
  author       = {Van Lancker, Bert and Hertelé, Stijn and De Corte, Wouter and Dispersyn, Jonas and De Waele, Wim and Belis, Jan},
  booktitle    = {GlassCon Global},
  isbn         = {978-0-9975156-0-2},
  keywords     = {structural adhesive,glass,cold-formed steel,digital image correlation,measuring techniques,strain},
  language     = {eng},
  location     = {Boston, Massachusetts},
  pages        = {305--313},
  publisher    = {FCA Conferences, LLC},
  title        = {Application of digital image correlation in linear structural adhesive glass-metal connection testing},
  year         = {2016},
}