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I.S. EN 1995-1-2:2005

Current

Current

The latest, up-to-date edition.

EUROCODE 5: DESIGN OF TIMBER STRUCTURES - PART 1-2: GENERAL - STRUCTURAL FIRE DESIGN (INCLUDING IRISH NATIONAL ANNEX)

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2005

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.


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Foreword
  Background of the Eurocode programme
  Status and field of application of Eurocodes
  National Standards implementing Eurocodes
  Links between Eurocodes and harmonised technical
  specifications (ENs and ETAs) for products
  Additional information specific to EN 1995-1-2
  National annex for EN 1995-1-2
Section 1 General
  1.1 Scope
      1.1.1 Scope of Eurocode 5
      1.1.2 Scope of EN 1995-1-2
  1.2 Normative references
  1.3 Assumptions
  1.4 Distinction between principles and application rules
  1.5 Terms and definitions
  1.6 Symbols
Section 2 Basis of design
  2.1 Requirements
      2.1.1 Basic requirements
      2.1.2 Nominal fire exposure
      2.1.3 Parametric fire exposure
  2.2 Actions
  2.3 Design values of material properties and resistances
  2.4 Verification methods
      2.4.1 General
      2.4.2 Member analysis
      2.4.3 Analysis of parts of the structure
      2.4.4 Global structural analysis
Section 3 Material properties
  3.1 General
  3.2 Mechanical properties
  3.3 Thermal properties
  3.4 Charring depth
      3.4.1 General
      3.4.2 Surfaces unprotected throughout the time of
            fire exposure
      3.4.3 Surfaces of beams and columns initially protected
            from fire exposure
            3.4.3.1 General
            3.4.3.2 Charring rates
            3.4.3.3 Start of charring
            3.4.3.4 Failure times of fire protective claddings
  3.5 Adhesives
Section 4 Design procedures for mechanical resistance
  4.1 General
  4.2 Simplified rules for determining cross-sectional
      properties
      4.2.1 General
      4.2.2 Reduced cross-section method
      4.2.3 Reduced properties method
  4.3 Simplified rules for analysis of structural members
      and components
      4.3.1 General
      4.3.2 Beams
      4.3.3 Columns
      4.3.4 Mechanically jointed members
      4.3.5 Bracings
  4.4 Advanced calculation methods
Section 5 Design procedures for wall and floor assemblies
  5.1 General
  5.2 Analysis of load-bearing function
  5.3 Analysis of separating function
Section 6 Connections
  6.1 General
  6.2 Connections with side members of wood
      6.2.1 Simplified rules
            6.2.1.1 Unprotected connections
            6.2.1.2 Protected connections
            6.2.1.3 Additional rules for connections with
                    internal steel plates
      6.2.2 Reduced load method
            6.2.2.1 Unprotected connections
            6.2.2.2 Protected connections
  6.3 Connections with external steel plates
      6.3.1 Unprotected connections
      6.3.2 Protected connections
  6.4 Simplified rules for axially loaded screws
Section 7 Detailing
  7.1 Walls and floors
      7.1.1 Dimensions and spacings
      7.1.2 Detailing of panel connections
      7.1.3 Insulation
  7.2 Other elements
Annex A (Informative) Parametric fire exposure
   A1 General
   A2 Charring rates and charring depths
   A3 Mechanical resistance of members in edgewise bending
Annex B (informative) Advanced calculation methods
   B1 General
   B2 Thermal properties
   B3 Mechanical properties
Annex C (Informative) Load-bearing floor joists and wall
        studs in assemblies whose cavities completely filled
        with insulation
   C1 General
   C2 Residual cross-section
      C2.1 Charring rates
      C2.2 Start of charring
      C2.3 Failure times of panels
   C3 Reduction of strength and stiffness parameters
Annex D (informative) Charring of members in wall and floor
        assemblies with void cavities
   D1 General
   D2 Charring rates
   D3 Start of charring
   D4 Failure times of panels
Annex E (informative) Analysis of the separating function of
        wall and floor assemblies
   E1 General
   E2 Simplified method for the analysis of insulation
      E2.1 General
      E2.2 Basic insulation values
      E2.3 Position coefficients
      E2.4 Effect of joints
Annex F (informative) Guidance for users of this Eurocode Part
Annex NA (informative) Irish National Annex to
         Eurocode 5: Design of timber structures
         - Part 1-2: General - Structural fire
         design
Introduction
      NA.1 Scope
      NA.2 Nationally Determined Parameters
      NA.3 Guidance on the use of informative annexes
           A, B, C, D, E and F
Bibliography

Relates with the design of timber structures for the accidental situation of fire exposure. Identifies differences from, or supplements normal temperature design. Deals only with passive methods of fire protection.

DevelopmentNote
Supersedes I.S. ENV 1995-1-2. (02/2005) Now includes Irish National Annex 2010 which is also available as a separate document, See I.S. EN 1995-1-2 NATIONAL ANNEX. (03/2010)
DocumentType
Standard
Pages
85
PublisherName
National Standards Authority of Ireland
Status
Current
Supersedes

SWIFT 6:2013 TIMBER IN CONSTRUCTION - SPAN TABLES AND GUIDELINES
S.R. 71:2015 TIMBER IN CONSTRUCTION - EUROCODE 5 - SPAN TABLES AND GUIDELINES
I.S. 440:2009 TIMBER FRAME DWELLINGS

EN 520:2004+A1:2009 Gypsum plasterboards - Definitions, requirements and test methods
EN 13986:2004 Wood-based panels for use in construction - Characteristics, evaluation of conformity and marking
EN 300:2006 Oriented Strand Boards (OSB) - Definitions, classification and specifications
EN 301:2017 Adhesives, phenolic and aminoplastic, for load-bearing timber structures - Classification and performance requirements
EN 912:2011 Timber fasteners - Specifications for connectors for timbers
EN 13162:2012+A1:2015 Thermal insulation products for buildings - Factory made mineral wool (MW) products - Specification
EN 14081-1:2016 Timber structures - Strength graded structural timber with rectangular cross section - Part 1: General requirements
EN 12369-1:2001 Wood-based panels - Characteristic values for structural design - Part 1: OSB, particleboards and fibreboards
I.S. EN 1991-1-2:2002 EUROCODE 1: ACTIONS ON STRUCTURES - PART 1-2: GENERAL ACTIONS - ACTIONS ON STRUCTURES EXPOSED TO FIRE
EN 14374:2004 Timber structures - Structural laminated veneer lumber - Requirements
EN 1363-1:2012 Fire resistance tests - Part 1: General Requirements
EN 313-1:1996 Plywood - Classification and terminology - Part 1: Classification
EN 316:2009 Wood fibre boards - Definition, classification and symbols
EN 314-2:1993 Plywood - Bonding quality - Part 2: Requirements
EN 309:2005 Particleboards - Definition and classification
ENV 13381-7:2002 Test methods for determining the contribution to the fire resistance of structural members - Part 7: Applied protection to timber members
EN 14080:2013 Timber structures - Glued laminated timber and glued solid timber - Requirements
EN 1365-2:2014 Fire resistance tests for loadbearing elements - Part 2: Floors and roofs

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