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prEN 1991-1-9

(Main)

Eurocode 1 - Actions on structures - Part 1-9: Atmospheric icing

Eurocode 1 - Actions on structures - Part 1-9: Atmospheric icing

1.1   Scope of EN 1991-1-9
(1) EN 1991-1-9 gives principles and rules to determine the values of loads due to atmospheric icing to be used for following types of structures:
-   masts,
-   towers,
-   antennas and antenna structures,
-   cables, stays, guy ropes, etc.,
-   rope ways (cable railways),
-   structures for ski-lifts,
-   buildings or parts of them exposed to potential icing,
-   towers for special types of construction such as for example transmission lines and wind turbines.
NOTE   Atmospheric icing on electrical overhead lines is covered by EN 50341-1.
(2) EN 1991-1-9 specifies values for:
-   dimensions and weight of accreted ice,
-   shapes of accreted ice.
(3) EN 1991-1-9 cover types of icing, ice loads acting on structures, and falling ice considerations.
NOTE   Wind actions on iced structures are covered by EN 1991-1-4.
1.2   Assumptions
The assumptions given in FprEN 1990:2022, 1.2 apply to EN 1991-1-9.

Eurocode 1 - Einwirkungen auf Tragwerke - Teil 1-9: Allgemeine Einwirkungen - Atmosphärische Eisbildung

1.1   Anwendungsbereich von EN 1991-1-9
(1) EN 1991-1-9 enthält Grundsätze und Regeln für die Bestimmung der Werte von Lasten infolge atmosphärischer Eisbildung, die für die folgenden Tragwerksarten zu verwenden sind:
-   Maste;
-   Türme;
-   Antennen und Antennentragwerke;
-   Abspannungen, Stützen, Kabel usw.;
-   Seilwerke (Seilbahnen);
-   Tragwerke für Skilifte;
-   Gebäude oder Teile davon, die potenzieller Eisbildung ausgesetzt sind;
-   Türme für Sonderkonstruktionen wie z. B. Übertragungsleitungen und Windkraftanlagen.
ANMERKUNG   Atmosphärische Eisbildung an Freileitungen wird in EN 50341-1 behandelt.
(2) EN 1991-1-9 legt Werte fest für:
-   die Maße und die Massen der Eisablagerungen;
-   die Formen der Eisablagerungen.
(3) EN 1991-1-9 behandelt die Arten der Eisablagerung, die auf Tragwerke einwirkenden Eislasten und die Grundlagen zur Berücksichtigung des Eisabfalls.
ANMERKUNG   Windlasten an vereisten Tragwerken werden in EN 1991-1-4 behandelt.
1.2   Voraussetzungen
Die in FprEN 1990:2022, 1.2, angegebenen Voraussetzungen gelten für EN 1991-1-9.

Eurocode 1 - Actions sur les structures - Partie 1-9 : Actions du givre atmosphérique

1.1   Domaine d'application de l'EN 1991-1-9
(1) L'EN 1991-1-9 donne les principes et règles pour déterminer les valeurs des charges dues au givrage atmosphérique, à utiliser pour les types de structures suivants :
-   les mâts ;
-   les tours ;
-   les antennes et structures associées ;
-   les câbles, haubans, câbles de haubanage, etc. ;
-   les câbles de téléphérique (câbles porteurs) et de funiculaires ;
-   les structures pour remontées mécaniques ;
-   les bâtiments ou leurs parties exposées au givrage ;
-   les pylônes pour des types d'ouvrages particuliers, comme par exemple les lignes de transmission et les éoliennes.
NOTE   Le givrage atmosphérique sur les lignes aériennes électriques est couvert par l'EN 50341-1.
(2) L'EN 1991-1-9 spécifie des valeurs pour :
-   les dimensions et le poids des accrétions de glace ;
-   les formes des accrétions de glace.
(3) L'EN 1991-1-9 traite les types de givrage, les charges de glace agissant sur les structures et les considérations relatives aux chutes de glace.
NOTE   Les actions du vent sur les structures recouvertes de glace sont couvertes par l'EN 1991-1-4.
1.2   Hypothèses
Les hypothèses formulées dans le FprEN 1990:2022, 1.2 s'appliquent à l'EN 1991-1-9.

Evrokod 1 - Vplivi na konstrukcije - 1-9. del: Splošni vplivi - Atmosferska zaledenitev

General Information

Status
Not Published
Publication Date
10-Sep-2024
ICS
91.010.30 - Technical aspects
Technical Committee
CEN/TC 250 - Structural Eurocodes
Drafting Committee
CEN/TC 250/SC 1/WG 2 - Atmospheric icing of structures
Current Stage
4060 - Closure of enquiry - Enquiry
Start Date
22-Jun-2023
Due Date
19-Jul-2023
Completion Date
22-Jun-2023
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 1991-1-9:2023 - Eurocode 1 - Actions on structures - Part 1-9: General actions - Atmospheric icing

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SLOVENSKI STANDARD
oSIST prEN 1991-1-9:2023
01-maj-2023
Evrokod 1 - Vplivi na konstrukcije - 1-9. del: Splošni vplivi - Atmosferska
zaledenitev
Eurocode 1 - Actions on structures - Part 1-9: General actions - Atmospheric icing
Eurocode 1 - Einwirkungen auf Tragwerke - Teil 1-9: Allgemeine Einwirkungen -
Atmosphärische Eisbildung
Eurocode 1 - Actions sur les structures - Partie 1-9 : Givrage atmosphérique
Ta slovenski standard je istoveten z: prEN 1991-1-9
ICS:
91.010.30 Tehnični vidiki Technical aspects
oSIST prEN 1991-1-9:2023 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN 1991-1-9:2023

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oSIST prEN 1991-1-9:2023


DRAFT
EUROPEAN STANDARD
prEN 1991-1-9
NORME EUROPÉENNE

EUROPÄISCHE NORM

March 2023
ICS 91.010.30
English Version

Eurocode 1 - Actions on structures - Part 1-9: General
actions - Atmospheric icing
 Eurocode 1 - Einwirkungen auf Tragwerke - Teil 1-9:
Allgemeine Einwirkungen - Atmosphärische Eisbildung
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
© 2023 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 1991-1-9:2023 E
worldwide for CEN national Members.

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oSIST prEN 1991-1-9:2023
prEN 1991-1-9:2023 (E)
Contents Page
European foreword . 4
Introduction . 5
1 Scope . 8
1.1 Scope of EN 1991-1-9 . 8
1.2 Assumptions . 8
2 Normative references . 8
3 Terms, definitions and symbols . 9
3.1 Terms and definitions . 9
3.2 Symbols and abbreviations . 10
3.2.1 Latin upper case letters . 10
3.2.2 Latin lower case letters . 11
3.2.3 Greek lower-case letters .
...

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