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Author(s):	Pfarr, Daniel; Tasche, Silke; Nicklisch, Felix; Louter, Christian
Title:
Abstract:	Der hier vorliegende Aufsatz beschreibt den Entwurf eines Verbundelements bestehend aus äußeren Dünngläsern und einer inneren, additiv gefertigten Polymerkernstruktur. Der Fokus der Forschungsarbeit liegt auf der Konstruktion eines Sandwichelements, welches aufgrund der verwendeten Materialien und Herstellungsverfahren völlig neue Flexibilität im Entwurfsprozess einer Glasfassade ermöglicht. Für den aussteifenden Kern werden drei mögliche Strukturen entwickelt und auf ihre Eignung für den Einsatz in dem Verbundelement untersucht. Die Herstellung erster Prototypen zeigt sowohl das architektonische Potenzial als auch fertigungsbedingte Besonderheiten. Weiterhin wird auf Grundlage der Sandwichtheorie das mechanische Verhalten der Konstruktion mithilfe eines 4-Punkt-Biegeversuchs untersucht. Anhand der gewonnenen Ergebnisse kann das mechanische Potenzial des Verbundelements unterstrichen werden. Aber auch zu bewältigende Herausforderungen für einen sicheren Einsatz in Fassaden werden konkretisiert. Thin glass composite elements with additively manufactured polymer core This paper describes the concept of a composite element consisting of outer thin glass facings and an inner additively manufactured polymer core structure. The focus of the research work is on the design of a sandwich element which, due to the materials and manufacturing processes used, allows completely new flexibility in the design process of a glass facade. Three possible structures for the stiffening core are being developed and examined for their suitability for use in the composite element. The production of the first prototypes shows both the architectural potential and the production-related specialties. Furthermore, the mechanical behaviour of the structure is investigated based on the sandwich theory using a 4-point bending test. Based on the results obtained, the mechanical potential of the composite element can be underlined. However, the challenges to be overcome for safe use in facades are also specified.
Source:	Stahlbau 90 (2021), No. 7
Page/s:	507-516
Language of Publication:	German

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