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EN 1999-1-4:2023

Eurocode 9 - Design of aluminium structures - Part 1-4: Cold-formed structural sheeting

Edition date: 2023-03-22
In Force
Summary: 1.1 Scope of EN 1999-1-4 (1) EN 1999-1-4 gives design requirements for cold-formed trapezoidal aluminium sheeting. It applies to cold-formed aluminium products made from hot rolled or cold rolled sheet or strip that have been cold-formed by such processes as cold-rolled forming or press-breaking. NOTE 1 The rules in this part complement the rules in other parts of EN 1999-1. NOTE 2 The execution of aluminium structures made of cold-formed structures for roof, ceiling, floor and wall applications is covered in EN 1090-5. (2) EN 1999-1-4 gives methods for stressed-skin design using aluminium sheeting as a structural diaphragm. (3) EN 1999-1-4 does not apply to cold-formed aluminium profiles like C- and Z- profiles nor cold-formed and welded circular or rectangular hollow sections. (4) EN 1999-1-4 gives methods for design by calculation and for design assisted by testing. The methods for the design by calculation apply only within stated ranges of material properties and geometrical properties for which sufficient experience and test evidence is available. These limitations do not apply to design by testing. (5) EN 1999-1-4 does not cover load arrangement for loads during execution and maintenance. 1.2 Assumptions (1) For the design of new structures, EN 1999 is intended to be used, for direct application, together with EN 1990, EN 1991, EN 1992, EN 1993, EN 1994, EN 1995, EN 1997 and EN 1998. EN 1999 is intended to be used in conjunction with: - European Standards for construction products relevant for aluminium structures; - EN 1090-1, Execution of steel structures and aluminium structures - Part 1: Requirements for conformity assessment of structural components; - EN 1090-5, Execution of steel structures and aluminium structures - Part 5: Technical requirements for cold-formed structural aluminium elements and cold-formed structures for roof, ceiling, floor and wall applications.

1.1 Anwendungsbereich von EN 1999 1 4 (1) EN 1999 1 4 enthält die Anforderungen an die Bemessung von kaltgeformten Trapezprofilen. Es gilt für kaltgeformte Aluminiumprodukte, die aus kalt- oder warmgewalzten Blechen oder Bändern durch Kaltumformung wie Rollformen oder Abkanten hergestellt sind. ANMERKUNG 1 Die in diesem Teil angegebenen Regeln ergänzen die Regeln der übrigen Teile von EN 1999 1. ANMERKUNG 2 Die Ausführung von Aluminiumtragwerken aus tragenden, kaltgeformten Bauteilen für Dach-, Decken , Boden- und Wandanwendungen wird in EN 1090 5 behandelt. (2) EN 1999 1 4 gibt Bemessungsregeln für die Scheibentragfähigkeit von Schubfeldern aus Aluminium-Profiltafeln an. (3) EN 1999 1 4 gilt nicht für stabförmige Kaltprofile mit C- und Z-Profilquerschnitten sowie kaltgeformte und geschweißte Rund- oder Rechteckhohlquerschnitte aus Aluminium. (4) EN 1999 1 4 beschreibt Verfahren für die rechnerische und die versuchsgestützte Bemessung. Die rechnerischen Bemessungsverfahren gelten nur in den angegebenen Grenzen für die Werkstoffkennwerte und geometrischen Verhältnisse, für die ausreichende Erfahrung und Versuchsergebnisse vorhanden sind. Diese Einschränkungen gelten nicht für die versuchsgestützte Bemessung. (5) EN 1999 1 4 beinhaltet keine Lastannahmen für Montage und Gebrauch. 1.2 Voraussetzungen (1) Bezüglich der Bemessung neuer Tragwerke ist EN 1999 zur direkten Anwendung in Verbindung mit EN 1990, EN 1991, EN 1992, EN 1993, EN 1994, EN 1995, EN 1997 und EN 1998 vorgesehen. EN 1999 gilt in Verbindung mit folgenden Regelwerken: — Europäische Normen zu Bauprodukten, die maßgebend für Aluminiumtragwerke sind; — EN 1090 1, Ausführung von Stahltragwerken und Aluminiumtragwerken — Teil 1: Konformitäts-nachweisverfahren für tragende Bauteile — EN 1090 5, Ausführung von Stahltragwerken und Aluminiumtragwerken — Teil 5: Technische Anforderungen an tragende, kaltgeformte Bauelemente aus Aluminium und tragende, kaltgeformte Bauteile für Dach-, Decken-, Boden- und Wandanwendungen

1.1 Domaine d'application de l'EN 1999-1-4 (1) L’EN 1999-1-4 définit les exigences de calcul relatives aux tôles (plaques) d'aluminium trapézoïdales formées à froid. Il s'applique aux produits en aluminium formés à froid par des procédés tels que le profilage à galets ou le pliage à la presse plieuse, à partir de tôles ou bandes laminés à chaud ou à froid. NOTE 1 Les règles de cette présente partie complètent celles des autres parties de l'EN 1999-1. NOTE 2 L'exécution de structures en aluminium formées à froid pour des applications en toiture, plafond, paroi verticale et plancher, est couverte par l'EN 1090-5. (2) Le présent document fournit des méthodes de calcul pour le dimensionnement avec collaboration de paroi, en utilisant des tôles d’aluminium comme diaphragme structural. (3) Le présent document ne s'applique ni aux profilés d'aluminium formés à froid tels que les profilés C et Z, ni aux sections creuses, circulaires ou rectangulaires, formées à froid et soudées. (4) Le présent document donne des méthodes de dimensionnement par calcul et de dimensionnement assisté par des essais. Les méthodes de dimensionnement par calcul ne s'appliquent que dans des gammes bien définies de caractéristiques de matériaux et des propriétés géométriques pour lesquelles on dispose d’une expérience suffisante et d’une validation par essais. Ces limitations ne s'appliquent pas au dimensionnement assisté par des essais. (5) Le présent document ne couvre pas la prise en compte de chargements relatifs aux phases d'exécution et d’entretien. 1.2 Hypothèses (1) Pour le calcul des structures neuves, l’EN 1999 (toutes les parties) est destiné à être appliqué directement, de façon conjointe avec l'EN 1990, l'EN 1991 (toutes parties), l'EN 1992 (toutes parties), l'EN 1993 (toutes parties), l'EN 1994 (toutes parties), l'EN 1995 (toutes parties), l'EN 1997 (toutes parties) et l'EN 1998 (toutes parties). L'EN 1999 (toutes les parties) est destinée à être utilisée avec : - les Normes européennes pour les produits de construction appropriés aux structures en aluminium ; - l'EN 1090-1 : Exécution des structures en acier et des structures en aluminium - Partie 1 : Exigences pour l'évaluation de la conformité des éléments structuraux ; - l'EN 1090-5 : Exécution des structures en acier et des structures en aluminium - Part5 : Exigences techniques pour éléments en aluminium formés à froid et structures formées à froid pour applications en toiture, plafond, paroi verticale et plancher.

ICS: 91.010.30-Technical aspects, 91.080.17-Aluminium structures
CTN: CEN/TC 250 - 6231

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Es modificada por EN 1999-1-4:2023/prA1

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