Reference : Parametric study on non-ductile demountable shear connectors
Scientific congresses, symposiums and conference proceedings : Paper published in a journal
Engineering, computing & technology : Civil engineering
Sustainable Development
Parametric study on non-ductile demountable shear connectors
Odenbreit, Christoph mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
Kozma, Andras mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
Wilhelm Ernst und Sohn
Proceedings of Nordic Steel 2019
The 14th Nordic Steel Construction Conference
18-09-2019 to 20-09-2019
The Technical University of Denmark (DTU) and the Danish Steel Institute (DSI)
[en] Demountable shear connectors ; composite beams ; parametric study ; circular economy
[en] The basic principle of the circular economy is to reduce or totally eliminate waste and carbon dioxide production with the help of a multiple, efficient usage of resources. The application of reusable structural elements plays an important role and can contribute essentially to a low-carbon future. Within the European research project REDUCE (Grant Agreement number: 710040), composite beams and steel-based flooring systems, which are demountable and reusable, have been developed and investigated. The experimental investigations showed that the structural behaviour of the newly developed shear connectors differs from the behaviour of the traditionally applied welded studs. Some behave in a non-ductile way.
In order to assess, how far the regulations of EN1994-1-1 for shear connections can still be applied, parametric studies have been conducted. The respective numerical models were developed with the use of the commercially available finite element software ABAQUS® and were validated against the experimental observations. The effects of the lack of ductility of the shear connectors on the structural behaviour of the entire composite beam was examined with different types of shear connectors, shear connector layouts and material grades.
This contribution presents the underlying laboratory tests as well as the results of the supplementing numerical parameter studies. The outcome provides valuable information for future design guidance concerning the use of demountable shear connectors in composite beams.
European Commission - EC - Research Fund for Coal and Steel
Researchers ; Professionals ; Students

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