EN 1995-1-2:2004
(Main)Eurocode 5: Design of timber structures - Part 1-2: General - Structural fire design
Eurocode 5: Design of timber structures - Part 1-2: General - Structural fire design
Supplementary to Part 1-1. Additional and varied rules to be used for the design of timber structures which are required to avoid premature structural collapse and to limit the spread of fire in the accidental situation of exposure to fire.
Eurocode 5: Bemessung und Konstruktion von Holzbauten - Teil 1-2: Allgemeine Regeln - Tragwerksbemessung für den Brandfall
Eurocode 5: Conception et Calcul des structures en bois - Part 1-2: Généralités - Calcul des structures au feu
Evrokod 5: Projektiranje lesenih konstrukcij - 1-2. del: Splošna pravila - Projektiranje požarnovarnih konstrukcij
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Eurocode 5: Design of timber structures - Part 1-2: General - Structural fire designEvrokod 5: Projektiranje lesenih konstrukcij - 1-2. del: Splošna pravila - Projektiranje požarnovarnih konstrukcijEurocode 5: Conception et Calcul des structures en bois - Part 1-2: Généralités - Calcul des structures au feuEurocode 5: Bemessung und Konstruktion von Holzbauten - Teil 1-2: Allgemeine Regeln - Tragwerksbemessung für den BrandfallTa slovenski standard je istoveten z:EN 1995-1-2:2004SIST EN 1995-1-2:2005en91.080.20Lesene konstrukcijeTimber structures91.010.30Technical aspects13.220.50Požarna odpornost gradbenih materialov in elementovFire-resistance of building materials and elementsICS:SIST ENV 1995-1-2:20001DGRPHãþDSLOVENSKI
STANDARDSIST EN 1995-1-2:200501-maj-2005
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 1995-1-2
November 2004 ICS 91.010.30; 13.220.50; 91.080.20 Supersedes ENV 1995-1-2:1994 English version
Eurocode 5: Design of timber structures - Part 1-2: General - Structural fire design
Eurocode 5: Conception et Calcul des structures en bois - Part 1-2: Généralités - Calcul des structures au feu
Eurocode 5: Entwurf, Berechnung und Bemessung von Holzbauten - Teil 1-2: Allgemeine Regeln - Bemessung für den Brandfall This European Standard was approved by CEN on 16 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 and bibliographical 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 has the 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 COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36
B-1050 Brussels © 2004 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1995-1-2:2004: E
EN 1995-1-2:2004 (E)
2 Contents
Foreword
4 Background of the Eurocode programme 4 Status and field of application of Eurocodes 5 National Standards implementing Eurocodes 5 Links between Eurocodes and harmonised technical specifications (ENs and ETAs) for products 6 Additional information specific to EN 1995-1-2 6 National annex for EN 1995-1-2 7 Section 1
General 9 1.1
Scope 9 1.1.1 Scope of Eurocode 5 9 1.1.2 Scope of EN 1995-1-2 9 1.2
Normative references 10 1.3
Assumptions 10 1.4
Distinction between principles and application rules 10 1.5
Terms and definitions 11 1.6
Symbols 11 Section 2
Basis of design 14 2.1
Requirements 14 2.1.1 Basic requirements 14 2.1.2 Nominal fire exposure 14 2.1.3 Parametric fire exposure 14 2.2
Actions 15 2.3
Design values of material properties and resistances 15 2.4
Verification methods 16 2.4.1
General 16 2.4.2 Member analysis 17 2.4.3 Analysis of parts of the structure 18 2.4.4
Global structural analysis 19 Section 3
Material properties 20 3.1 General 20 3.2 Mechanical properties 20 3.3 Thermal properties 20 3.4 Charring depth 20 3.4.1
General 20 3.4.2
Surfaces unprotected throughout the time of fire exposure 21 3.4.3 Surfaces of beams and columns initially protected from fire exposure 23 3.4.3.1
General 23 3.4.3.2 Charring rates 26 3.4.3.3
Start of charring 27 3.4.3.4
Failure times of fire protective claddings 28 3.5
Adhesives 29 Section 4
Design procedures for mechanical resistance 30 4.1 General 30 4.2 Simplified rules for determining cross-sectional properties 30 4.2.1
General 30 4.2.2 Reduced cross-section method 30 4.2.3 Reduced properties method 31 4.3
Simplified rules for analysis of structural members and components 32 4.3.1 General 32 4.3.2
Beams 32 4.3.3
Columns 33 4.3.4
Mechanically jointed members 33 4.3.5
Bracings 34 4.4
Advanced calculation methods 34 Section 5
Design procedures for wall and floor assemblies 35
EN 1995-1-2:2004 (E)
3 5.1
General 35 5.2
Analysis of load-bearing function 35 5.3
Analysis of separating function 35 Section 6
Connections 36 6.1 General 36 6.2 Connections with side members of wood 36 6.2.1 Simplified rules 36 6.2.1.1 Unprotected connections 36 6.2.1.2 Protected connections 37 6.2.1.3 Additional rules for connections with internal steel plates 38 6.2.2 Reduced load method 39 6.2.2.1 Unpro
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