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EN 1992-4:2018

Eurocode 2 - Design of concrete structures - Part 4: Design of fastenings for use in concrete

Edition date: 2024-06-19
In Force
Available languages: English, German, French
Summary: 1.1 General (1) This European Standard provides a design method for fastenings (connection of structural elements and non-structural elements to structural components), which are used to transmit actions to the concrete. This design method uses physical models which are based on a combination of tests and numerical analysis consistent with EN 1990:2002, 5.2. The requirements for the transmission of the fastener loads within the concrete member to its supports are given in EN 1992-1-1 and Annex A of this EN. Inserts embedded in precast concrete elements during production, under Factory Production Control (FPC) conditions and with the due reinforcement, intended for use only during transient situations for lifting and handling, are covered by CEN/TR 15728. (2) This EN is intended for safety related applications in which the failure of fastenings may result in collapse or partial collapse of the structure, cause risk to human life or lead to significant economic loss. In this context it also covers non-structural elements. (3) The support of the fixture can be either statically determinate or statically indeterminate. Each support can consist of one fastener or a group of fasteners. (4) This EN is valid for applications which fall within the scope of the EN 1992 series. In applications where special considerations apply, e.g. nuclear power plants or civil defence structures, modifications can be necessary. (5) This EN does not cover the design of the fixture. The requirements for the design of the fixture are given in the appropriate Standards and fulfil the requirements on the fixture as given in this EN. (6) This document relies on characteristic resistances and distances which are stated in a European Technical Product Specification (see Annex E). At least the characteristics of Annex E are given in a European Technical Product Specification for the corresponding loading conditions providing a basis for the design methods of this EN. NOTE The numerical values for certain parameters given in Notes can be used for pre-dimensioning. The values for verification are given in the European Technical Product Specifications and may be different. 1.2 Type of fasteners and fastening groups (1) This EN uses the fastener design theory ) (see Figure 1.1) and applies to: a) cast-in fasteners such as headed fasteners, anchor channels with rigid connection (e.g. welded, forged) between anchor and channel; b) post-installed mechanical fasteners such as expansion fasteners, undercut fasteners and concrete screws; c) post-installed bonded fasteners and bonded expansion fasteners. (2) For other types of fasteners modifications of the design provisions can be necessary. (3) This EN applies to fasteners with established suitability for the specified application in concrete covered by provisions, which refer to this EN and provide data required by this EN. The suitability of the fastener is stated in the relevant European Technical Product Specification. (...) (4) This EN applies to single fasteners and groups of fasteners. In a group of fasteners the loads are applied to the individual fasteners of the group by means of a common fixture. In a group of fasteners this European Standard applies only if fasteners of the same type and size are used. (5) The configurations of fastenings with cast-in place headed fasteners and post-installed fasteners covered by this EN are shown in Figure 1.2. (6) For anchor channels the number of anchors is not limited. (...) (7) Post-installed ribbed reinforcing bars used to connect concrete members are covered by a European Technical Product Specification. This EN applies when connections are designed in accordance with EN 1992-1-1. 1.3 Fastener dimensions and materials (1) This EN applies to fasteners with a minimum diameter or a minimum thread size of 6 mm (M6) or a corresponding cross section. (....)

1.1 Généralités (1) La présente Norme européenne fournit une méthode de calcul des fixations (raccordement d'éléments structuraux et d'éléments non structuraux à des composants structuraux) utilisées pour transmettre des actions au béton. Cette méthode de calcul utilise des modèles physiques basés sur une combinaison d'essais et d'analyse numérique conformes à l'EN 1990:2002, 5.2. Les exigences relatives à la transmission des charges de l'élément en béton à ses supports sont données dans l'EN 1992-1-1 et dans l'Annexe A de la présente EN. Les inserts noyés dans des éléments de béton préfabriqués au cours de la production, dans les conditions de contrôle de la production en usine (CPU) et avec le renforcement approprié, destinés à servir uniquement lors de situations transitoires de levage et de manutention, sont abordés par le CEN/TR 15728. (2) La présente EN est destinée à des applications liées à la sécurité dans lesquelles la rupture de fixations peut entraîner l'effondrement partiel ou total de la structure, mettre en danger des vies humaines ou conduire à des pertes économiques importantes. Dans ce contexte, elle couvre également les éléments non structuraux. (3) Le support de la platine de fixation peut être statiquement déterminé ou statiquement indéterminé. Chaque support peut se composer d'une fixation ou d'un groupe de fixations. (4) La présente EN est valable pour les applications relevant du domaine d'application de la série EN 1992. Dans les applications pour lesquelles des considérations particulières s'appliquent, par exemple les structures de centrale nucléaire ou de défense civile, des modifications peuvent être nécessaires. (5) La présente EN n'aborde pas le calcul de la platine de fixation. Les exigences relatives à la platine de fixation sont données dans les normes appropriées et sont conformes aux exigences relatives à la platine de fixation fournies dans la présente EN. (6) Le présent document se fonde sur des résistances caractéristiques et des distances qui sont spécifiées dans une Spécification technique européenne de produit (voir Annexe E). Les caractéristiques de l'Annexe E sont au moins données dans une Spécification technique européenne de produit pour les conditions de chargement correspondantes, fournissant une base pour les méthodes de calcul de la présente EN. 1.2 Types de fixations et groupes de fixations (1) La présente EN utilise la théorie de calcul de fixations (voir Figure 1.1) et s'applique aux éléments suivants : a) fixations placées avant coulage tels que boulons à tête et rails insert avec liaison rigide (par exemple soudés, forgés) entre la cheville et le rail ; b) fixations mécaniques installées après coulage, telles que chevilles à expansion, chevilles à verrouillage de forme et vis à béton ; c) chevilles à scellement et chevilles à scellement et expansion installées après coulage. (2) Pour les autres types de fixations, des modifications des dispositions de calcul peuvent être nécessaires. (3) La présente EN s'applique aux fixations dont l'aptitude à l’emploi est reconnue pour l'application spécifiée dans le béton selon des dispositions qui font référence à la présente EN et fournissent les données requises par celle-ci. L'aptitude à l'emploi de la fixation est indiquée dans la Spécification technique européenne de produit pertinente. (Figure) (4) La présente EN s'applique à des fixations isolées et à des groupes de fixations. Dans un groupe de fixations, les charges sont appliquées aux fixations individuelles du groupe au moyen d'une platine d'ancrage. Dans un groupe de fixations, la présente Norme européenne ne s'applique que si des fixations de types et tailles identiques sont utilisées. ...

1.1 Allgemeines (1) Diese Europäische Norm stellt ein Bemessungsverfahren für Befestigungsmittel (Verbindung von tragenden und nichttragenden Bauteilen mit tragenden Bauteilen) zur Verfügung, die zur Lastübertragung in das als Verankerungsgrund dienende Betonbauteil verwendet werden. Einlegeteile, die unter kontrollierten Herstellungsbedingungen und mit der entsprechenden Bewehrung in Betonfertigteile eingebaut werden, und nur dem vorübergehenden Einsatz während des Hebens und dem Verfahren der Fertigteile dienen, werden von dem CEN/TR „Design and Use of Inserts for Lifting and Handling of Precast Concrete Elements“ (Bemessung und Verwendung von Einlegeteilen zum Heben und Versetzen von Betonfertigteilen) von CEN/TC 229 behandelt. (2) Diese Europäische Norm gilt für Anwendungen, bei denen das Versagen in einem völligen oder teilweisen Einsturz des Bauwerks resultiert, oder Risiken für menschliches Leben verursacht oder zu erheblichem wirtschaftlichem Schaden führt. Unter diesen Gesichtspunkten behandelt sie auch nichttragende Bauteile. (3) Die Lagerung des Anbauteils darf entweder statisch bestimmt oder statisch unbestimmt sein. Jedes Auflager kann aus einem Befestigungsmittel oder einer Gruppe von Befestigungsmitteln bestehen. (4) Diese Europäische Norm ist für Anwendungen gültig, die unter den Anwendungsbereich der Normenreihe EN 1992 fallen. In Anwendungsfällen, in denen besondere Betrachtungen erforderlich sind, z. B. Atomkraftwerke oder Zivilschutzbauten, können Abänderungen erforderlich sein. Die Weiterleitung der Lasten aus der Verankerung an die Auflager der Betonbauteile ist für den Grenzzustand der Tragfähigkeit und für den Grenzzustand der Gebrauchstauglichkeit nach EN 1992 1 1 nachzuweisen. (5) Diese Europäische Norm behandelt nicht die Bemessung des Anbauteils. Die Bemessung des Anbauteils muss so durchgeführt werden, dass sie den entsprechenden Normen entspricht. (6) Dieses Dokument bezieht sich auf charakteristische Widerstände und Abstände, die in einer Europäischen Technischen Produktspezifikation (siehe Anhang E) angegeben sind. Als Grundlage für die Verwendung der Bemessungsverfahren dieser Europäischen Norm sollte eine Europäische Technische Produktspezifikation mindestens die Merkmale von Anhang E, Tabelle E.1, enthalten. 1.2 Arten von Befestigungsmitteln und Gruppenbefestigungen (1) Diese Europäische Norm verwendet die Bemessungstheorie der Befestigungstechnik ) (Bild 1.1) und gilt für: a) Einlegeteile wie Kopfbolzen, Ankerschienen mit steifer Verbindung von Verankerungsmittel und Schiene; b) nachträglich montierte mechanische Befestigungsmittel wie Spreizdübel, Hinterschnittdübel, Beton-schrauben; c) nachträglich montierte Verbunddübel, Verbundspreiz- und -hinterschnittdübel. ANMERKUNG Die Verwendung von Verbindungen mit nachträglich gesetzten gerippten Betonstahlstäben sollten durch eine Europäische Technische Produktspezifikation abgedeckt sein und den Anforderungen der EN 1992 1 1 entsprechen. (2) Für andere Arten von Befestigungsmitteln können Änderungen der Bemessungsregeln erforderlich sein. (3) Diese Europäische Norm gilt für Befestigungsmittel in Beton, deren Eignung für die jeweilige Anwendung durch Vorschriften nachgewiesen wurde, die sich auf diese Europäische Norm beziehen und Daten zur Verfügung stellen, die von dieser Europäischen Norm gefordert werden. Die Eignung der Befestigungsmittel ist in der einschlägigen Europäischen Technischen Produktspezifikation festgestellt.

ICS: 91.080.40-Concrete structures, 91.010.30-Technical aspects
CTN: CEN/TC 250 - 6231

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