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Standards Development
(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 1990:2023, Clause A.5.
(6) EN 1991-3 does not provide actions or provisions for the design of cranes and machines.
This amendment intends to ensure the consistency between the different Eurocodes and within EN 1991 (all parts), as well as to introduce editorial and technical corrections identified during the FV stage of EN 1991-3.
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