2.5 Bewegliche und adaptive Dünnglas-Lösungen

Neugebauer, Jürgen; Wallner-Novak, Markus

doi:10.1515/9783035613544-024

Cited by 3 publications

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“…Das Glas mit der kleinsten Krümmung befindet sich im oberen eher horizontalen Bereich der Konstruktion und wurde mit den Belastungen aus Eigengewicht, Schnee, Windsog und der Krümmung dimensioniert. Für den Lastfall der Krümmung durch das Kaltverformen der Gläser konnte eine Zugspannung von σ Ed,kr = 7,6 N/mm 2 an der Glasoberseite für den Radius von 17,5 m ermittelt werden [5].…”

Section: Dünnglasunclassified

N46 – Tageslichtlenkung aus Dünnglas

Neugebauer

Baumgartner

2021

ce papers

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Im Rahmen der Masterarbeit, die in Zusammenarbeit mit dem Josef Ressel Zentrum für Dünnglastechnologie für Anwendungen im Bauwesen entstand, wurde ein Bestandsobjekt aus dem 19. Jahrhundert revitalisiert und zu einem modernen Bürogebäude umfunktioniert. Dazu wurde ein Tageslichtleitsystem implementiert, das den Innenhof überdacht und gleichzeitig diesen zum zentralen Repräsentations-und Kommunikationsort macht. Neben der räumlichen Funktion dient der Innenhof als thermischer Pufferraum und darüber hinaus kann durch die Verwendung von Dünnglas und dessen Materialeigenschaften ein zusätzlicher Mehrwert erzielt werden. Die frei geformte Geometrie profitiert von der erhöhten Steifigkeit durch die gekrümmte Form, die abhängig von der Materialdicke durch die Krümmungsradien reglementiert ist. Die Krümmung übt einen direkten Einfluss auf das Reflexionsverhalten aus, das den Lichttransport von natürlichem Licht ins Rauminnere beeinflusst und somit eine Verminderung der elektrischen Beleuchtung für die Büroräume ermöglicht. N46 -daylight control made of thin glass.As part of the master's thesis, which was created in cooperation with the Josef Ressel Center for Thin Glass Technology for Structural Glass, an existing building from the 19 th century was revitalized and converted into a modern office building. For this purpose, a daylight system was implemented that roofs the inner courtyard and at the same time makes it the central place of representation and communication. In addition to the spatial function, the inner courtyard serves as a thermal buffer room and additional value can be achieved by using thin glass and its material properties. The free-form geometry benefits from the increased stiffness due to the curved shape, which is regulated by the radii of curvature depending on the material thickness. The curvature has a direct influence on the reflection behavior, which influences the light transport of natural light into the interior of the room and thus enables a reduction in electrical lighting for the office space.

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Section: Dünnglasunclassified

N46 – Tageslichtlenkung aus Dünnglas

Neugebauer

Baumgartner

2021

ce papers

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“…The laminated safety glass was assumed and designed with 2 × 2.0 mm chemically prestressed with a 0.76 mm PVB interlayer. For the load case of the curvature due to the cold forming of the glass as a constant load a principle tensile stress of σ 1 = 8.0 MPa can be determined on the top of the glass for the maximum radius of r = 17.5 m [6]. For dead load of the glass elements the calculation was made without a composite effect and resulted in a characteristic maximum principal tensile stress σ 1 = 0.8 MPa as shown in Figure 6.2.…”

Section: Thin Glassmentioning

confidence: 99%

N26 – Daylighting design made from thin glass

Neugebauer

2021

ce papers

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For an existing building from 19th century an architectural concept for revivalism and reorganization into a modern office building was made. For this purpose, a daylight system was implemented that roofs the inner courtyard and at the same time makes it the central place of representation and communication. In addition to the spatial function, the inner courtyard serves as a thermal buffer room and additional value can be achieved by using thin glass and its material properties. The free‐form geometry benefits from the increased stiffness due to the curved shape, which is regulated by the radii of curvature depending on the material thickness. The curvature has a direct influence on the reflection behaviour, which influences the light transport of natural light into the interior of the room and thus enables a reduction in electrical lighting for the office space.

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“…Developments in material technology have led to experiments and building projects that employ wood, bi-metals, ETFE and GFRP to create movement in the facade material itself with no additional actuators at all, or with them moved to the fringes where they are out of sight and easy to maintain. The addition of polycarbonate and thin, strengthened glass to that list of materials enables building designers to generate kinetic transformations in the transparent material of the envelope (Louter, 2019;Neugebauer et al, 2019;Mulder, 2022). The impact of such systems in tectonic terms can be both functional and aesthetic.…”

Section: Introductionmentioning

confidence: 99%

Dynamic Bending of Thin Glass to Control Surface Roughness of Building Facades

Mulder,

Chinh Nguyen,

Moroz

et al. 2024

Blucher Design Proceedings

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2.5 Bewegliche und adaptive Dünnglas-Lösungen

Cited by 3 publications

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N46 – Tageslichtlenkung aus Dünnglas

N46 – Tageslichtlenkung aus Dünnglas

N26 – Daylighting design made from thin glass

Dynamic Bending of Thin Glass to Control Surface Roughness of Building Facades

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