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Author(s):	Mazzolani, F. M.; Mandara, A.
Title:	The EC 9 Design Provisions for Aluminium Shells: Background and Development
Abstract:	The new Part 1-5 of Eurocode 9, shaped within the activity of CEN/TC 250/SC9 Committee chaired by F. M. Mazzolani, is the very first issue specifically devoted to shell structures made of aluminium alloys in the field of European codification. Because of this, the new document marks a major advance in the codification on shells for both civil and industrial use, thus filling a gap in which important applications were till now not adequately covered by any reference standard. This paper summarises the genesis and the development of the prEN 1999-1-5 document dealing with aluminium shells, starting from the beginning in 2002, until to the achievement of Stage 49 in December 2005. At the same time, the main features of the new code are highlighted and critically discussed. Die Bemessungsregeln von EC 9 für Schalentragwerke aus Aluminium: Hintergrund und Entwicklung. Der neue Teil 1-5 von Eurocode 9 wurde im Rahmen der Tätigkeiten des Komitee CEN/TC 250/SC9, dessen Vorsitzender F.M. Mazzolani ist, gestaltet. Im europäischen Regelwerk ist dies der erste Teil, der speziell für Schalentragwerke aus Aluminiumlegierungen vorgesehen ist. Deshalb kennzeichnet dieses neue Dokument, das hinsichtlich wichtiger, bisher durch keine Bezugsnorm angemessen behandelter Anwendungen eine Lücke schließt, einen bedeutenden Fortschritt im Regelwerk für Schalen baulicher und industrieller Art. Dieser Aufsatz faßt vom Beginn im Jahre 2002 bis zur Erreichung von Stadium 49 im Dezember 2005 die Entstehungsgeschichte und Entwicklung des Aluminiumschalen behandelnden Dokumentes prEN1999-1-5 zusammen. Zugleich werden die wesentlichen Merkmale der neuen Vorschrift hervorgehoben und kritisch diskutiert.
Source:	Stahlbau 75 (2006), No. 9
Page/s:	729-736
Language of Publication:	German

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