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Influence of Temperature on the Behavior of Sandwich Panels

Lange, Jörg ; Steineck, Sonja (2023)
Influence of Temperature on the Behavior of Sandwich Panels.
Eurosteel 2023. Amsterdam (12. bis 14.9.2023)
doi: 10.1002/cepa.2305
Konferenzveröffentlichung, Bibliographie

Kurzbeschreibung (Abstract)

Sandwich panels in the construction industry are used as roof and facade elements and usually consist of two thin face layers of steel and a thicker core of polyurethane (PU) or mineral wool in between. The PU core material is constantly being further developed. In addition to improvements in the physical properties, this further development also leads to changes in the mechanical properties. As a result, the design rules that were established for older foam systems must be reviewed at regular intervals. There is a great need for research into the temperature-dependent behavior of the foam system. As these elements are used as roof and facade elements, they are directly exposed to climatic conditions. High temperatures are generated on the cover sheets due to solar radiation. The PU rigid foam changes its mechanical properties in this temperature range. Tests on small parts and components show a change in the stiffnesses and strengths, as well as the loadbearing behavior under elevated temperature. Consideration of the temperature in the design is therefore of great importance. In view of the continuous further development of the foam system, statements regarding the core material from older research must be reconsidered.

Typ des Eintrags: Konferenzveröffentlichung
Erschienen: 2023
Autor(en): Lange, Jörg ; Steineck, Sonja
Art des Eintrags: Bibliographie
Titel: Influence of Temperature on the Behavior of Sandwich Panels
Sprache: Englisch
Publikationsjahr: 14 September 2023
Ort: Berlin
Verlag: Ernst & Sohn
Titel der Zeitschrift, Zeitung oder Schriftenreihe: ce/papers
Jahrgang/Volume einer Zeitschrift: 6
(Heft-)Nummer: 3/4
Reihe: ce/papers : Proceedings in Civil Engineering
Band einer Reihe: 6 (3/4)
Veranstaltungstitel: Eurosteel 2023
Veranstaltungsort: Amsterdam
Veranstaltungsdatum: 12. bis 14.9.2023
DOI: 10.1002/cepa.2305
Kurzbeschreibung (Abstract):

Sandwich panels in the construction industry are used as roof and facade elements and usually consist of two thin face layers of steel and a thicker core of polyurethane (PU) or mineral wool in between. The PU core material is constantly being further developed. In addition to improvements in the physical properties, this further development also leads to changes in the mechanical properties. As a result, the design rules that were established for older foam systems must be reviewed at regular intervals. There is a great need for research into the temperature-dependent behavior of the foam system. As these elements are used as roof and facade elements, they are directly exposed to climatic conditions. High temperatures are generated on the cover sheets due to solar radiation. The PU rigid foam changes its mechanical properties in this temperature range. Tests on small parts and components show a change in the stiffnesses and strengths, as well as the loadbearing behavior under elevated temperature. Consideration of the temperature in the design is therefore of great importance. In view of the continuous further development of the foam system, statements regarding the core material from older research must be reconsidered.

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: 15 Sep 2023 06:29
Letzte Änderung: 15 Sep 2023 09:44
PPN: 511649711
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