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  • I.S. EN 1995-1-2:2005

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    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

    Publisher:  National Standards Authority of Ireland

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    Table of Contents - (Show below) - (Hide below)

    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

    Abstract - (Show below) - (Hide below)

    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.

    General Product Information - (Show below) - (Hide below)

    Development Note 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)
    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Current
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    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

    Standards Referencing This Book - (Show below) - (Hide below)

    EN 520:2004+A1:2009 Gypsum plasterboards - Definitions, requirements and test methods
    EN 1365-1:2012/AC:2013 FIRE RESISTANCE TESTS FOR LOADBEARING ELEMENTS - PART 1: WALLS
    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 1991-1-2:2002/AC:2013 EUROCODE 1: ACTIONS ON STRUCTURES - PART 1-2: GENERAL ACTIONS - ACTIONS ON STRUCTURES EXPOSED TO FIRE
    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 1991-1-1:2002/AC:2009 EUROCODE 1: ACTIONS ON STRUCTURES - PART 1-1: GENERAL ACTIONS - DENSITIES, SELF-WEIGHT, IMPOSED LOADS FOR BUILDINGS
    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 1995-1-1:2004/A2:2014 EUROCODE 5: DESIGN OF TIMBER STRUCTURES - PART 1-1: GENERAL - COMMON RULES AND RULES FOR BUILDINGS
    EN 309:2005 Particleboards - Definition and classification
    EN 1993-1-2:2005/AC:2009 EUROCODE 3: DESIGN OF STEEL STRUCTURES - PART 1-2: GENERAL RULES - STRUCTURAL FIRE DESIGN
    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 1990:2002/A1:2005/AC:2010 EUROCODE - BASIS OF STRUCTURAL DESIGN
    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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