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prEN 1991-1-4

(Main)

Eurocode 1 - Actions on structures - Part 1-4: Wind actions

Eurocode 1 - Actions on structures - Part 1-4: Wind actions

EN 1991-1-4 gives principles and rules for the determination of natural wind actions for the structural design of building and civil engineering works for each of the loaded areas under consideration. This includes the whole structure or parts of the structure or elements attached to the structure, e.g. components, cladding units and their fixings, safety and noise barriers.
This part is applicable to:
- buildings and civil engineering works with heights up to 300m;
- bridges having no span greater than 200m.
This part is intended to predict characteristic wind actions on land-based structures, their components and appendages.
This part is also applicable to structures less than 1km offshore from the main coastline. For offshore structures more than 1km from the main coastline, the terrain effects defined in this part do not apply.

Eurocode 1 - Einwirkungen auf Tragwerke - Teil 1-4: Windlasten

1.1   Anwendungsbereich von prEN 1991-1-4
(1) Dieses Dokument enthält Grundsätze und Regeln zur Bestimmung der Einwirkungen natürlichen Windes auf sämtliche der in die Tragwerksbemessung von Hoch- und Ingenieurbauten einbezogenen Lasteinzugsflächen. Damit werden ganze Tragwerke oder Teile davon oder Elemente, die mit dem Tragwerk verbunden sind, erfasst, z. B. Bauteile, Verkleidungselemente und deren Verankerungen, Anprallschutz- und Lärmschutzwände.
(2) Dieser Teil gilt für:
-   Hoch- und Ingenieurbauten mit einer Höhe bis 300 m;
-   Brücken, deren Felder eine Länge von höchstens 200 m haben.
(3) Dieser Teil dient zur Vorhersage der charakteristischen Windeinwirkungen auf Bauwerke an Land, deren Bauteile und Anbauten.
(4) Dieser Teil gilt auch für in einer Entfernung von weniger als 1 km zur Hauptküstenlinie errichtete Offshore-Bauwerke. Auf in einem Küstenlinienabstand größer als 1 km errichtete Offshore-Bauwerke sind die in diesem Teil festgelegten geländebedingten Wirkungen nicht anwendbar.
(5) Dieser Teil enthält keine Hinweise zu nichtsynoptischen Winden (z. B. Gewitterstürmen, Downbursts, Microbursts, Tornados usw.) und Klimaten mit gemischten Winden, und er enthält auch keine Hinweise zur Berücksichtigung lokaler Wirkungen (z. B. thermische Wirkungen, Trichterbildung, starke arktische thermische Oberflächeninversion usw.).
(6) Dieses Dokument behandelt vereinfachte Verfahren für dynamische Wirkungen, die in den meisten Fällen auf der Annahme einer durch nur eine vorherrschende Mode gekennzeichneten Tragwerksantwort (en: single-mode response) basieren. Allgemeine Kriterien für die Durchführung einer umfassenden dynamischen Berechnung bei aerodynamischer Anregung werden in dieser Norm nicht behandelt.
(7) Druck- und Sogwirkungen vorbeifahrender Fahrzeuge sind nicht Gegenstand dieses Dokuments.
ANMERKUNG   Zu den Druck- und Sogwirkungen vorbeifahrender Züge siehe EN 1991-2.
1.2   Annahmen
(1) Es gelten die in EN 1990:2023, 1.2 angegebenen Annahmen.

Eurocode 1 - Actions sur les structures - Partie 1-4 : Actions du vent

1.1   Domaine d'application du prEN 1991-1-4
(1)   Le présent document donne les principes et les règles pour déterminer les actions du vent naturel pour le calcul structurel des bâtiments et des ouvrages de génie civil, sur chacune des surfaces chargées à considérer. Ceci inclut l'ensemble de la structure, ou des parties de la structure, ou des éléments qui y sont fixés, par exemple des composants, des éléments de parois et leurs fixations, des glissières et barrières de sécurité et des écrans antibruit.
(2)   La présente partie s'applique aux :
-   bâtiments et ouvrages de génie civil dont la hauteur peut atteindre 300 m ;
-   ponts dont aucune travée n'est supérieure à 200 m.
(3)   La présente partie est destinée à prévoir les actions caractéristiques du vent sur les structures terrestres, leurs composants et parties annexes.
(4)   La présente partie s'applique également aux structures situées en mer à moins de 1 km de la ligne de côte principale. Pour les structures situées en mer à plus de 1 km de la ligne de côte principale, les effets du terrain définis dans la présente partie ne s'appliquent pas.
(5)   La présente partie ne donne pas de recommandations sur les vents non synoptiques (par exemple, orages, rafales descendantes, microrafales, tornades, etc.), les climats à vents mixtes, ni sur la manière de prendre en compte les effets locaux (par exemple, effets thermiques, entonnoirs, forte inversion thermique de surface en Arctique, etc.).
(6)   Le présent document traite de procédures simplifiées pour les effets dynamiques, principalement fondées sur de l'hypothèse d'une réponse sur un mode unique dominante. Le présent document ne traite pas des critères généraux permettant d'effectuer une analyse dynamique complète sous l'effet d'une excitation aérodynamique.
(7)   Les effets de pression aérodynamique dus à des véhicules en mouvement sortent du domaine d'application du présent document.
NOTE   Voir l'EN 1991-2 pour les effets du vent dus aux trains circulant sur un pont.
1.2   Hypothèses
(1)   Les hypothèses données dans l'EN 1990:2023, 1.2, s'appliquent.

Evrokod 1 - Vplivi na konstrukcije - 1-4. del: Obtežbe vetra

General Information

Status
Not Published
Publication Date
12-Jun-2025
ICS
91.010.30 - Technical aspects
Technical Committee
CEN/TC 250 - Structural Eurocodes
Drafting Committee
CEN/TC 250/SC 1/WG 1 - Climatic actions
Current Stage
4020 - Submission to enquiry - Enquiry
Start Date
14-Mar-2024
Due Date
26-Apr-2023
Completion Date
14-Mar-2024
Directive
305/2011 - Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
Mandate
M/515 - Mandate for amending existing Eurocodes and extending the scope of structural Eurocodes
Ref Project
oSIST prEN 1991-1-4:2024 - Eurocode 1 - Actions on structures - Part 1-4: Wind actions

Relations

Revises
EN 1991-1-4:2005 - Eurocode 1: Actions on structures - Part 1-4: General actions - Wind actions
Effective Date
14-Oct-2020

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SLOVENSKI STANDARD
oSIST prEN 1991-1-4:2024
01-junij-2024
Evrokod 1 - Vplivi na konstrukcije - 1-4. del: Obtežbe vetra
Eurocode 1 - Actions on structures - Part 1-4: Wind actions
Eurocode 1 - Einwirkungen auf Tragwerke - Teil 1-4: Windlasten
Eurocode 1 - Actions sur les structures - Partie 1-4 : Actions du vent
Ta slovenski standard je istoveten z: prEN 1991-1-4
ICS:
91.010.30 Tehnični vidiki Technical aspects
oSIST prEN 1991-1-4:2024 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN 1991-1-4:2024

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oSIST prEN 1991-1-4:2024


DRAFT
EUROPEAN STANDARD
prEN 1991-1-4
NORME EUROPÉENNE

EUROPÄISCHE NORM

March 2024
ICS 91.010.30 Will supersede EN 1991-1-4:2005
English Version

Eurocode 1 - Actions on structures - Part 1-4: Wind actions
Eurocode 1 ¿ Actions sur les structures ¿ Partie 1-4 : Eurocode 1 - Einwirkungen auf Tragwerke - Teil 1-4:
Actions du vent Allgemeine Einwirkungen - Windlasten
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 250.

If this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations
which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.

This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC
Management Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.

Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.


EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 1991-1-4:2024 E
worldwide for CEN national Members.

---------------------- Page: 3 ----------------------
oSIST prEN 1991-1-4:2024
prEN 1991-1-4:2024 (E)
Contents Page
European foreword . 6
0 Introduction . 7
1 Scope . 11
1.1 Scope of prEN 1991-1-4 . 11
1.2 Assumptions . 11
2 Normative references . 11
3 Terms, definitions and symbols . 12
3.1 Terms and definitions . 12
3.2 Symbols . 13
4 Design situations . 18
5 Modelling of wind actions . 19
5.1 Representations of wind actions . 19
5.2 Clas
...

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