1 General
1.1 Scope
1.2 Normative references
1.3 Assumptions
1.4 Distinction between principles and application rules
1.5 Terms and definitions
1.6 Symbols
1.7 Conventions for member axes
2 Basis of design
2.1 Requirements
2.1.1 Basic requirements
2.1.2 Reliability management
2.1.3 Design working life, durability and robustness
2.2 Principles of limit state design
2.3 Basic variables
2.3.1 Actions and environmental influences
2.3.2 Material and product properties
2.4 Verification by the partial factor method
2.4.1 Design values of material properties
2.4.2 Design values of geometrical data
2.4.3 Design resistances
2.4.4 Verification of static equilibrium (EQU)
2.5 Design assisted by testing
3 Materials
3.1 General
3.2 Structural steel
3.2.1 Material properties
3.2.2 Ductility requirements
3.2.3 Fracture toughness
3.2.4 Through-thickness properties
3.2.5 Tolerances
3.2.6 Design values of material coefficients
3.3 Connecting devices
3.3.1 Fasteners
3.3.2 Welding consumables
3.4 Other prefabricated products in buildings
4 Durability
5 Structural analysis
5.1 Structural modelling for analysis
5.1.1 Structural modelling and basic assumptions
5.1.2 Joint modelling
5.1.3 Ground-structure interaction
5.2 Global analysis
5.2.1 Effects of deformed geometry of the structure
5.2.2 Structural stability of frames
5.3 Imperfections
5.3.1 Basis
5.3.2 Imperfections for global analysis of frames
5.3.3 Imperfection for analysis of bracing systems
5.3.4 Member imperfections
5.4 Methods of analysis considering material non-linearities
5.4.1 General
5.4.2 Elastic global analysis
5.4.3 Plastic global analysis
5.5 Classification of cross sections
5.5.1 Basis
5.5.2 Classification
5.6 Cross-section requirements for plastic global analysis
6 Ultimate limit states
6.1 General
6.2 Resistance of cross-sections
6.2.1 General
6.2.2 Section properties
6.2.3 Tension
6.2.4 Compression
6.2.5 Bending moment
6.2.6 Shear
6.2.7 Torsion
6.2.8 Bending and shear
6.2.9 Bending and axial force
6.2.10 Bending, shear and axial force
6.3 Buckling resistance of members
6.3.1 Uniform members in compression
6.3.2 Uniform members in bending
6.3.3 Uniform members in bending and axial compression
6.3.4 General method for lateral and lateral torsional
buckling of structural components
6.3.5 Lateral torsional buckling of members with
plastic hinges
6.4 Uniform built-up compression members
6.4.1 General
6.4.2 Laced compression members
6.4.3 Battened compression members
6.4.4 Closely spaced built-up members
7 Serviceability limit states
7.1 General
7.2 Serviceability limit states for buildings
7.2.1 Vertical deflections
7.2.2 Horizontal deflections
7.2.3 Dynamic effects
Annex A [informative] - Method 1: Interaction factors
k[ij] for interaction formula in 6.3.3(4)
Annex B [informative] - Method 2: Interaction factors
k[ij] for interaction formula in 6.3.3(4)
Annex AB [informative] - Additional design provisions
Annex BB [informative] - Buckling of components of building
structures