EN Eurocode 1: Actions on structures. Organised by. European Commission: DG Enterprise and Industry, Joint Research Centre with the. EN () (English): Eurocode 1: Actions on structures - Part General actions - Densities, self-weight, imposed loads for buildings [Authority: The. This document EN has been prepared by Technical Committee . EN gives design guidance and actions for the structural design of.
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EN July ICS Supersedes ENV Incorporating corrigendum February English Version. Eurocode 1 - Actions on. EN Eurocode 1: Actions on structures - Part General actions - Densities, self-weight, imposed loads for buildings. byEuropean. EN () (English): Eurocode 1: Actions on structures - Part 2: Traffic loads on bridges [Authority: The European Union Per Regulation /
Part General actions - Accidental Actions[ edit ] EN provides rules for safeguarding buildings and other civil engineering works against accidental actions.
For buildings, EN also provides strategies to limit the consequences of localised failure caused by an unspecified accidental event. The recommended strategies for accidental actions range from the provision of measures to prevent or reduce the accidental action to that of designing the structure to sustain the action.
In this context specific rules are given for accidental actions caused by impact and internal explosions. Localised failure of a building structure, however, may result from a wide range of events that could possibly affect the building during its lifespan. Such events may not necessarily be anticipated by the designer. This Part does not specifically deal with accidental actions caused by external explosions, warfare and terrorist activities, or the residual stability of buildings or other civil engineering works damaged by seismic action or fire etc.
However, for buildings, adoption of the robustness strategies given in Annex A for safeguarding against the consequences of localised failure should ensure that the extent of the collapse of a building, if any, will not be disproportionate to the cause of the localised failure. This Part does not apply to dust explosions in silos see EN , nor to impact from traffic travelling on the bridge deck or to structures designed to accept ship impact in normal operating conditions e.
The exceptional values may be considered outside the statistical methods. Zone 1 Med. How to determine design values for accidental ground snow loads?
For locations where exceptional loads may occur National Annex , the ground snow load may be treated as accidental action with the value: UK and Eire , where snow usually melts and clears between the individual weather systems and where moderate to high wind speeds occur during the individual weather system, the amount of the drifted load is considered to be of a high magnitude compared to the ground snow load, and the drifted snow is considered an exceptional load and treated as an accidental load using the accidental design situation Annex B of EN 3.
The choice for Ce should consider the future development around the site. Ce should be taken as 1,0 unless otherwise specified for different topographies.
The National Annex may give the values of Ce for different topographies, recommended values are given. For all other cases: Case i 2.
Finland, Iceland, Norway Sweden: Section 6 of EN gives the forces to be considered for the verification of: The National Annex may be specify condition of use of this part or different procedures to calculate the forces. Compare National Annex maps with the maps of Annex C of EN as a first step to obtain a harmonised snow map of Europe by ensuring consistency at borders; 2.
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Part They were identified four main research items: General Section 2: Classification of actions Section 3: Design situations Section 4: Snow load on the ground Section 5: Snow load on roofs Section 6: In the case of altitudes above m advice may be found in the appropriate National Annex. Including these snowfalls with the more regular snow events for the lengths of records available may significantly disturb the statistical processing of more regular snowfalls.
Gumbel probability paper: