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EN 1991-3:2026

Eurocode 1 - Actions on structures - Part 3: Actions induced by cranes and machines

Edition date: 2026-03-18
In Force
Available languages: French, English
Summary: 1.1 Scope of EN 1991-3 (1) EN 1991-3 defines actions imposed by cranes and other machines including dynamic effects, if relevant, for the structural design of crane or machine supporting structures. (2) EN 1991-3 provides guidance on crane classification in terms of dynamic factors and fatigue actions. (3) EN 1991-3 applies to supporting structures of — bridge cranes, gantry cranes and wall cranes travelling on fixed runways; — fixed machines that cause a harmonic dynamic loading on fixed supporting structures. (4) The principles provided in EN 1991-3 can be applied also to determine actions on supporting structures of cranes other than those referred to in (3). (5) EN 1991-3 does not provide partial factors for actions. NOTE For partial factors for actions, see EN 1990-1:2023+A1:2026, Clause A.5. (6) EN 1991-3 does not provide actions or provisions for the design of cranes and machines. 1.2 Assumptions (1) The general assumptions of EN 1990-1 apply. (2) The design of structures supporting cranes or machines is undertaken using information on actions provided by the manufacturer of the crane or machine.

1.1 Anwendungsbereich von EN 1991 3 (1) EN 1991 3 definiert Einwirkungen durch Krane und andere Maschinen, einschließlich dynamischer Effekte, sofern diese relevant sind, für die Bemessung der Unterstützungstragwerke von Kranen oder Maschinen. (2) EN 1991 3 enthält Hinweise für die Kranklassifizierung in Hinblick auf Schwingbeiwerte und Ermüdungseinwirkungen. (3) EN 1991 3 ist anwendbar für Unterstützungstragwerke von  Brückenkranen, Portalkranen und Wandlaufkranen, die auf ortsfesten Kranbahnen fahren;  ortsfesten Maschinen, die eine harmonische dynamische Belastung auf ortsfeste Unterstützungstragwerke ausüben. (4) Die in EN 1991 3 enthaltenen Grundsätze können auch für die Ermittlung von Einwirkungen auf die Unterstützungstragwerke anderer als die unter (3) genannten Krane angewendet werden. (5) EN 1991 3 enthält keine Teilsicherheitsbeiwerte für Einwirkungen. ANMERKUNG Bezüglich der Teilsicherheitsbeiwerte für Einwirkungen siehe EN 1990:2023, Abschnitt A.5. (6) EN 1991 3 enthält keine Einwirkungen oder Bestimmungen für die Bemessung von Kranen und Maschinen. 1.2 Annahmen (1) Es gelten die allgemeinen Voraussetzungen von EN 1990. (2) Die Bemessung der Unterstützungskonstruktionen von Kranen oder Maschinen erfolgt unter Verwendung von Informationen über die Einwirkungen, die vom Hersteller des Krans bzw. der Maschine bereitgestellt werden.

1.1 Domaine d'application de l'EN 1991 3 (1) L'EN 1991 3 définit les actions imposées par les appareils de levage et autres machines, y compris les effets dynamiques, le cas échéant, pour la conception structurelle des structures porteuses des appareils de levage ou des machines. (2) L'EN 1991 3 donne des recommandations sur la classification des appareils de levage en termes de coefficients dynamiques et d’actions de fatigue. (3) L'EN 1991 3 s'applique aux structures porteuses des : − ponts roulants, portiques et appareils de levage muraux se déplaçant sur des voies fixes ; − machines fixes qui provoquent une charge dynamique harmonique sur les structures porteuses fixes. (4) Les principes énoncés dans l'EN 1991 3 peuvent également être appliqués pour déterminer les actions sur les structures porteuses des appareils de levage autres que celles visées en (3). (5) L'EN 1991 3 ne fournit pas de coefficients partiels applicables aux actions. NOTE Pour les coefficients partiels applicables aux actions, voir l'EN 1990-1:2023+A1:2026, Article A.5. (6) L'EN 1991 3 ne fournit pas d'actions ou de dispositions pour la conception des appareils de levage et des machines. 1.2 Hypothèses (1) Les hypothèses générales données dans l'EN 1990-1 s'appliquent. (2) Le dimensionnement des structures supportant des appareils de levage ou des machines est effectué sur la base des informations relatives aux actions fournies par le fabricant de l'appareil de levage ou de la machine.
ICS: 53.020.20-Cranes, 91.010.30-Technical aspects
CTN: CEN/TC 250 - 6231

Modificaciones Normas

Es modificada por EN 1991-3:2026/prA1

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