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Author(s):	Laufs, Wilfried; Desarzens, Patrick
Title:
Abstract:	Die Design-Zielsetzung von besonderer, großflächiger Identität des Modehauses Louis Vuitton führte zu einer neuartigen Fassadenlösung, welche aus hochfestem Ductal-LaFarge-Beton (UHPC = ultra-high performing concrete) offen vergossene Gussplattenlemente verwendet, die als rain-screen over-clad der bereits vorhandenen Gebäudehülle eine völlig neue Erscheinungsform geben. Mittels feinjustierbarer Unterkonstruktion für Hinterschnittanker und einer vorangegangenen Laser-3D-Vermessung und der Modellierung der einzelnen Fassadenschichten in Solidworks Software konnte eine praktisch fugenfreie flächige Oberfläche erzielt werden, die optisch auf den blumenartigen LV Mode-Emblem-Kreisen beruht und das Gebäude vollständig neu einhüllt. Der folgende Artikel beschreibt die Vorgehensweise zur Planung dieser zweiten Haut aus Sicht des Ingenieurs und Fassadenplaners, welche auch auf der Basis hoher Orkan-Windlasten bemessen ist und das noch nicht genormte Ductal-Material mittels Kleinteilversuchen und FEM-Berechnungen rechnerisch nachweist. Ductal Façade Louis Vuitton in Aventura/Florida - currently largest molded Ductal UHPC building envelope in the US The design objective to create a unique, large surface identity for fashion company Louis Vuitton lead to an innovative façade solution which uses high-strength Ductal LaFarge concrete (UHPC = ultra- high performing concrete) as open-molded panel elements in a rain-screen over-clad application, which give the existing façade an entirely new appearance. Designing a finely adjustable sub-structure for under-cut anchors following 3D laser scans on site combined with Solidworks Software modeling of all envelope layers, a practically joint-free façade surface was created, which is based on the flower-like Louis Vuitton emblem circles wrapping the existing building in a completely new fashion. The following article describes the planning procedure for this second skin from a structural and façade engineering perspective, which is also designed based on high hurricane wind cladding loading and small-scale 1:1 anchor testing data in combination with finite element modeling for the not-yet fully standardized Ductal material.
Source:	Bautechnik 91 (2014), No. 3
Page/s:	186-192
Language of Publication:	German

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