GS&E journal > Slumped IGU’s with large airspaces: engineering challenges and solutions

Aside from external cladding pressure loads that are always considered in IGU design, a variety of unique factors must also be addressed when analyzing the structural performance of a slumped IGU with a large air cavity. These factors include the volume of air within the cavity, the stiffness and s...

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Autor principal:	David Bott
Formato:	article
Lenguaje:	EN
Publicado:	Challenging Glass Conference 2020
Materias:	Slumped IGU Slumped Glass Insulating Glass Large Airspace Air Cavity Cavity Pressure Clay industries. Ceramics. Glass TP785-869
Acceso en línea:	https://doaj.org/article/83678a0383604a79a45c9ed260622b96
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spelling	oai:doaj.org-article:83678a0383604a79a45c9ed260622b962021-12-05T05:12:58ZGS&E journal > Slumped IGU’s with large airspaces: engineering challenges and solutions2589-8019https://doaj.org/article/83678a0383604a79a45c9ed260622b962020-09-01T00:00:00Zhttps://proceedings.challengingglass.com/index.php/cgc/article/view/324https://doaj.org/toc/2589-8019 Aside from external cladding pressure loads that are always considered in IGU design, a variety of unique factors must also be addressed when analyzing the structural performance of a slumped IGU with a large air cavity. These factors include the volume of air within the cavity, the stiffness and strength of the outer and inner lites of glass, elevation changes between the glass fabrication facility and the building site, temperature changes over time, fluctuations in barometric pressure, and increased stress on the secondary structural perimeter seal. Appropriate deflection limits for mullions or other elements supporting the IGU must also be established due to the increased stiffness of the IGU resulting from the slumped glass geometry. Engineering challenges related to the design of slumped IGU’s will be highlighted and explained using Nike’s new retail flagship store in New York City, Nike House of Innovation 000, as a case study for a dynamic facade featuring custom carved and slumped insulating glass units. Principal analysis methods, testing procedures, and a summary of the various software tools used to evaluate the slumped IGU’s will be provided. The solutions shown will illustrate how the fundamental design and engineering approach taken for Nike can be successfully applied to other projects that incorporate slumped IGU’s into their facades. David BottChallenging Glass ConferencearticleSlumped IGUSlumped GlassInsulating GlassLarge AirspaceAir CavityCavity PressureClay industries. Ceramics. GlassTP785-869ENChallenging Glass Conference Proceedings, Vol 7, Iss 1 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Slumped IGU Slumped Glass Insulating Glass Large Airspace Air Cavity Cavity Pressure Clay industries. Ceramics. Glass TP785-869
spellingShingle	Slumped IGU Slumped Glass Insulating Glass Large Airspace Air Cavity Cavity Pressure Clay industries. Ceramics. Glass TP785-869 David Bott GS&E journal > Slumped IGU’s with large airspaces: engineering challenges and solutions
description	Aside from external cladding pressure loads that are always considered in IGU design, a variety of unique factors must also be addressed when analyzing the structural performance of a slumped IGU with a large air cavity. These factors include the volume of air within the cavity, the stiffness and strength of the outer and inner lites of glass, elevation changes between the glass fabrication facility and the building site, temperature changes over time, fluctuations in barometric pressure, and increased stress on the secondary structural perimeter seal. Appropriate deflection limits for mullions or other elements supporting the IGU must also be established due to the increased stiffness of the IGU resulting from the slumped glass geometry. Engineering challenges related to the design of slumped IGU’s will be highlighted and explained using Nike’s new retail flagship store in New York City, Nike House of Innovation 000, as a case study for a dynamic facade featuring custom carved and slumped insulating glass units. Principal analysis methods, testing procedures, and a summary of the various software tools used to evaluate the slumped IGU’s will be provided. The solutions shown will illustrate how the fundamental design and engineering approach taken for Nike can be successfully applied to other projects that incorporate slumped IGU’s into their facades.
format	article
author	David Bott
author_facet	David Bott
author_sort	David Bott
title	GS&E journal > Slumped IGU’s with large airspaces: engineering challenges and solutions
title_short	GS&E journal > Slumped IGU’s with large airspaces: engineering challenges and solutions
title_full	GS&E journal > Slumped IGU’s with large airspaces: engineering challenges and solutions
title_fullStr	GS&E journal > Slumped IGU’s with large airspaces: engineering challenges and solutions
title_full_unstemmed	GS&E journal > Slumped IGU’s with large airspaces: engineering challenges and solutions
title_sort	gs&e journal > slumped igu’s with large airspaces: engineering challenges and solutions
publisher	Challenging Glass Conference
publishDate	2020
url	https://doaj.org/article/83678a0383604a79a45c9ed260622b96
work_keys_str_mv	AT davidbott gsejournalslumpediguswithlargeairspacesengineeringchallengesandsolutions
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GS&E journal > Slumped IGU’s with large airspaces: engineering challenges and solutions

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