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Determination of Material Models for Sandwich Panels with PIR Rigid Foam: Experimental Investigations

Steineck, Sonja ; Lange, Jörg
Hrsg.: Swedish Institute of Steel Construction (2024)
Determination of Material Models for Sandwich Panels with PIR Rigid Foam: Experimental Investigations.
15th Nordic Steel Construction Conference (NSCC 2024). Lulea, Schweden (26.06.224 - 28.06.2024)
doi: 10.5281/zenodo.12351938
Konferenzveröffentlichung, Bibliographie

Kurzbeschreibung (Abstract)

Sandwich panels, which are used in the construction industry as roof or façade cladding, are primarily assessed through tests. A deep understanding of the material parameters and the behaviour of sandwich panels is important for the design of these construction components. Due to the constant changes in the polyurethane (PU) foams used as a core material and the wide influence of several boundary conditions, the experimental database for the currently used foams is small. This article presents the findings of compression and tensile tests on sandwich panels with a core of polyisocyanurate (PIR) rigid foam (density: 41 kg/m3). The tests were performed in several spatial directions and over the range required by the standard EN 14509. The results of the tests showed the orthotropy of the core material and the dependence of the material on the direction and type of load. Using the data from this experimental study, a material model is presented, which was implemented in a numerical study. The model is separated in two parts and utilizes the Hill yield criterion to represent the orthotropy and non-linear part of the core material.

Typ des Eintrags: Konferenzveröffentlichung
Erschienen: 2024
Autor(en): Steineck, Sonja ; Lange, Jörg
Art des Eintrags: Bibliographie
Titel: Determination of Material Models for Sandwich Panels with PIR Rigid Foam: Experimental Investigations
Sprache: Englisch
Publikationsjahr: 26 Juni 2024
Ort: Lulea, Schweden
Buchtitel: Nordic Steel Construction Conference 2024 (NSCC 2024)
Kollation: 9 Seiten
Veranstaltungstitel: 15th Nordic Steel Construction Conference (NSCC 2024)
Veranstaltungsort: Lulea, Schweden
Veranstaltungsdatum: 26.06.224 - 28.06.2024
DOI: 10.5281/zenodo.12351938
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Kurzbeschreibung (Abstract):

Sandwich panels, which are used in the construction industry as roof or façade cladding, are primarily assessed through tests. A deep understanding of the material parameters and the behaviour of sandwich panels is important for the design of these construction components. Due to the constant changes in the polyurethane (PU) foams used as a core material and the wide influence of several boundary conditions, the experimental database for the currently used foams is small. This article presents the findings of compression and tensile tests on sandwich panels with a core of polyisocyanurate (PIR) rigid foam (density: 41 kg/m3). The tests were performed in several spatial directions and over the range required by the standard EN 14509. The results of the tests showed the orthotropy of the core material and the dependence of the material on the direction and type of load. Using the data from this experimental study, a material model is presented, which was implemented in a numerical study. The model is separated in two parts and utilizes the Hill yield criterion to represent the orthotropy and non-linear part of the core material.

Zusätzliche Informationen:

Nordic Steel 2024

Fachbereich(e)/-gebiet(e): 13 Fachbereich Bau- und Umweltingenieurwissenschaften
13 Fachbereich Bau- und Umweltingenieurwissenschaften > Institut für Stahlbau und Werkstoffmechanik
13 Fachbereich Bau- und Umweltingenieurwissenschaften > Institut für Stahlbau und Werkstoffmechanik > Fachgebiet Stahlbau
Hinterlegungsdatum: 27 Jun 2024 06:02
Letzte Änderung: 01 Jul 2024 07:37
PPN: 519473426
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