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