Eurocodig

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o 3EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
ICS 13.220.50; 91.010.30; 91.080.10

EN 1993-1-2
April 2005
Supersedes ENV 1993-1-2:1995

English version

Eurocode 3: Design of steel structures - Part 1-2: General rules Structural fire design
Eurocode 3: Calcul des structures en acier - Partie 1-2: Règles générales - Calcul du comportement au feu Eurocode 3:Bemessung und Konstruktion von Stahlbauten - Teil 1-2: Allgemeine Regeln - Tragwerksbemessung für den Brandfall

This European Standard was approved by CEN on 23 April 2004. 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. Up-to-date lists andbibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists 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 Central Secretariat hasthe same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.

EUROPEAN COMMITTEEFOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG

Management Centre: rue de Stassart, 36

B-1050 Brussels

© 2005 CEN

All rights of exploitation in any form and by any means reserved worldwide for CEN national Members.

Ref. No. EN 1993-1-2:2005: E

EN 1993-1-2 : 2005 (E)

Contents

Page

Foreword...........................................................................................................................................................4 1. General ......................................................................................................................................................9 1.1 1.2 1.3 1.4 1.5 1.6 2 Scope..................................................................................................................................................9 Normative references........................................................................................................................10 Assumptions .....................................................................................................................................11 Distinctionbetween principles and application rules.........................................................................11 Terms and definitions .......................................................................................................................11 Symbols............................................................................................................................................12

Basis of design .........................................................................................................................................16 2.1 Requirements....................................................................................................................................16 2.1.1 Basic requirements...................................................................................................................16 2.1.2 Nominal fire exposure ..............................................................................................................16 2.1.3 Parametric fire exposure...........................................................................................................16 2.2...
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