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Abstract:	Die letzte Veröffentlichung zu diesem Thema an dieser Stelle hat sich mit ungewöhnlichen Formen von Dächern aus Aluminium-Profiltafeln befasst und den daraus resultierenden Herausforderungen an die Herstellung der Profiltafeln selbst, an ihre Unterkonstruktion und den millimetergenauen Dachaufbau. Es ist ebenfalls über die Entwicklung der Profiltafeln berichtet worden, von geraden “Bahnen” mit parallelen Rändern über gebogene, konische, eingeschnürte und ausgebauchte Formen, bis zu Freiform-Querschnitten, die um die starke Achse verschwenkt sind, dazu noch eingeschnürt oder ausgebaucht und um die schwache Achse konkav oder konvex gebogen. Dieses Mal soll über drei Bauvorhaben mit besonderen Anforderungen berichtet werden: Im ersten Fall präsentiert sich die Architektenschaft von Amsterdam in einem skulpturartigen Gebäude als Zentrum für Ausstellungen, Veranstaltungen und zur Information. Seine Außenhaut besteht aus Glas und verzinkten Aluminium-Profiltafeln, an denen die natürliche Bewitterung in Seenähe erkennbar ist. Im zweiten Fall geht es um ein Projekt von hoher politischer Bedeutung, dem Nationalen Gemeinschaftszentrum Hanoi, mit einer spektakulären Form der Dachkonstruktion und seiner Umsetzung. Das dritte Objekt, ein Hangar zur Flugzeugmontage, bezieht seine hohen Forderungen an die Qualität von Planung und Ausführung aus den Ansprüchen des Bauherrn, der in den Kategorien der Flugzeugbau-Branche denkt. To construct with aluminium profiled sheetings - metal roofs with special demands of the building owner. The presentation on this subject made here last year dealt with unusually shaped roofs constructed using aluminium profiled sheeting and the resultant demands imposed on the manufacture of the profiled sheeting itself, its substructure and the high precision needed for the roof construction. The development of different profiled-sheeting shapes was also covered, from straight lengths with parallel edges via profiled sheeting that is curved, convex, tapered or concave through to freeform sections that are elliptically or hyperbolically curved and sweep about their strong axes as well as being curved in a convex or concave manner about their weak axes. This paper will deal with three particularly demanding building projects. The first is a sculpture-like building from architects in Amsterdam that serves as a centre for exhibitions, events and information purposes. Its envelope comprises glass and zinc-coated aluminium profiled sheeting, with the characteristic natural weathering of a coastal location being clearly visible. The second example deals with a project that is of major political importance, the National Convention Centre in Hanoi with its spectacularly shaped roof design, and the project's realisation. The third case is a hangar for the assembly of aircraft; high demands were made on quality at all stages from planning through to implementation as a result of the client's involvement in the aircraft manufacturing business.
Source:	Stahlbau 78 (2009), No. 5
Page/s:	308-317
Language of Publication:	German

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