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BS EN 1993-1-2:2005

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Eurocode 3. Design of steel structures General rules - Structural fire design
Available format(s)

Hardcopy , PDF

Superseded date

25-03-2024

Language(s)

English

Published date

28-02-2010

Publisher

British Standards Institution

Foreword
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
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
  2.4 Verification methods
      2.4.1 General
      2.4.2 Member analysis
      2.4.3 Analysis of part of the structure
      2.4.4 Global structural analysis
3 Material properties
  3.1 General
  3.2 Mechanical properties of carbon steels
      3.2.1 Strength and deformation properties
      3.2.2 Unit mass
  3.3 Mechanical properties of stainless steels
  3.4 Thermal proper
      3.4.1 Carbon steels
      3.4.2 Stainless steels
      3.4.3 Fire protection materials
4 Structural fire design
  4.1 General
  4.2 Simple calculation models
      4.2.1 General
      4.2.2 Classification of cross-sections
      4.2.3 Resistance
      4.2.4 Critical temperature
      4.2.5 Steel temperature development
  4.3 Advanced calculation models
      4.3.1 General
      4.3.2 Thermal response
      4.3.3 Mechanical response
      4.3.4 Validation of advanced calculation models
Annex A [normative] Strain-hardening of carbon steel at
                      elevated temperatures
Annex B [normative] Heat transfer to external steelwork
Annex C [informative] Stainless steel
Annex D [informative] Joints
Annex E [informative] Class 4 cross-sections

Pertains to the design of buildings and civil engineering works in steel. It complies with the principles and requirements for the safety and serviceability of structures, the basis of their design and verification that are given in EN 1990 - Basis of structural design.

1.1.1 Scope of EN 1993

  1. EN 1993 applies to the design of buildings and civil engineering works in steel. It complies with the principles and requirements for the safety and serviceability of structures, the basis of their design and verification that are given in EN 1990 – Basis of structural design.

  2. EN 1993 is only concerned with requirements for resistance, serviceability, durability and fire resistance of steel structures. Other requirements, e.g concerning thermal or sound insulation, are not considered.

  3. EN 1993 is intended to be used in conjunction with:

    • EN 1990 “Basis of structural design”

    • EN 1991 “Actions on structures”

    • hEN´s for construction products relevant for steel structures

    • EN 1090 “Execution of steel structures”

    • EN 1998 “Design of structures for earthquake resistance”, where steel structures are built in seismic regions

  4. EN 1993 is subdivided in six parts:

    • EN 1993-1 Design of Steel Structures : Generic rules.

    • EN 1993-2 Design of Steel Structures : Steel bridges.

    • EN 1993-3 Design of Steel Structures : Towers, masts and chimneys.

    • EN 1993-4 Design of Steel Structures : Silos, tanks and pipelines.

    • EN 1993-5 Design of Steel Structures : Piling.

    • EN 1993-6 Design of Steel Structures : Crane supporting structures.

1.1.2 Scope of EN 1993-1-2

  1. EN 1993-1-2 deals with the design of steel structures for the accidental situation of fire exposure and is intended to be used in conjunction with EN 1993-1-1 and EN 1991-1-2. EN 1993-1-2 only identifies differences from, or supplements to, normal temperature design.

  2. EN 1993-1-2 deals only with passive methods of fire protection.

  3. EN 1993-1-2 applies to steel structures that are required to fulfil this load bearing function if exposed to fire, in terms of avoiding premature collapse of the structure.

    NOTE: This part does not include rules for separating elements.

  4. EN 1993-1-2 gives principles and application rules for designing structures for specified requirements in respect of the load bearing function and the levels of performance.

  5. EN 1993-1-2 applies to structures, or parts of structures, that are within the scope of EN 1993-1 and are designed accordingly.

  6. The methods given are applicable to structural steel grades S235, S275, S355, S420 and S460 of EN 10025 and all grades of EN 10210 and EN 10219.

  7. The methods given are also applicable to cold-formed steel members and sheeting within the scope of EN 1993-1-3.

  8. The methods given are applicable to any steel grade for which material properties at elevated temperatures are available, based on harmonized European standards.

  9. The methods given are also applicable stainless steel members and sheeting within the scope of EN 1993-1-4.

    NOTE: For the fire resistance of composite steel and concrete structures, see EN 1994-1-2.

Committee
CB/203
DevelopmentNote
Supersedes DD ENV 1993-1.2. (04/2005) National Annex of this document is also available. See BS EN 1993-1-2 NA. (11/2008) Supersedes BS 5950-8(2003). (04/2010) Also available as part of BS KIT 207. (08/2010)
DocumentType
Standard
Pages
84
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

15/30320587 DC : DRAFT AUG 2015 BS 6744 - STAINLESS STEEL BARS - REINFORCEMENT OF CONCRETE - REQUIREMENTS AND TEST METHODS
12/30241229 DC : 0 BS 7910 - GUIDE TO METHODS FOR ASSESSING THE ACCEPTABILITY OF FLAWS IN METALLIC STRUCTURES
BS 9999:2017 Fire safety in the design, management and use of buildings. Code of practice
CSA ISO 19901-3 : 2015 PETROLEUM AND NATURAL GAS INDUSTRIES - SPECIFIC REQUIREMENTS FOR OFFSHORE STRUCTURES - PART 3: TOPSIDES STRUCTURE
BS EN 1993-1-4 NA : 2006 UK NATIONAL ANNEX TO EUROCODE 3: DESIGN OF STEEL STRUCTURES - PART 1-4: GENERAL RULES - SUPPLEMENTARY RULES FOR STAINLESS STEELS
BS EN ISO 19901-3:2014 Petroleum and natural gas industries. Specific requirements for offshore structures Topsides structure
I.S. EN ISO 19901-3:2014 PETROLEUM AND NATURAL GAS INDUSTRIES - SPECIFIC REQUIREMENTS FOR OFFSHORE STRUCTURES - PART 3: TOPSIDES STRUCTURE (ISO 19901-3:2014)
BS 6744:2016 Stainless steel bars. Reinforcement of concrete. Requirements and test methods
BS 9999:2008 Code of practice for fire safety in the design, management and use of buildings
BS EN 1993-1-2 NA : 2005 UK NATIONAL ANNEX TO EUROCODE 3: DESIGN OF STEEL STRUCTURES - PART 1-2: GENERAL RULES - STRUCTURAL FIRE DESIGN
14/30300516 DC : 0 BS EN ISO 19901-3 - PETROLEUM AND NATURAL GAS INDUSTRIES - SPECIFIC REQUIREMENTS FOR OFFSHORE STRUCTURES - PART 3: TOPSIDES STRUCTURE
08/30128099 DC : DRAFT SEP 2008 NA TO BS EN 1993-1-4 - UK NATIONAL ANNEX TO EUROCODE 3 - DESIGN OF STEEL STRUCTURES - PART 1-4: GENERAL RULES - SUPPLEMENTARY RULES FOR STAINLESS STEELS
PD 7974-3:2011 Application of fire safety engineering principles to the design of buildings Structural response and fire spread beyond the enclosure of origin
BS PAS 68(2013) : 2013 IMPACT TEST SPECIFICATIONS FOR VEHICLE SECURITY BARRIER SYSTEMS
CSA Z19901-3 : 2011 PETROLEUM AND NATURAL GAS INDUSTRIES - SPECIFIC REQUIREMENTS FOR OFFSHORE STRUCTURES - PART 3: TOPSIDES STRUCTURE
16/30314117 DC : 0 BS 9999 - FIRE SAFETY IN THE DESIGN, MANAGEMENT AND USE OF BUILDINGS - CODE OF PRACTICE
ISO 19901-3:2014 Petroleum and natural gas industries — Specific requirements for offshore structures — Part 3: Topsides structure
EN ISO 19901-3:2014 Petroleum and natural gas industries - Specific requirements for offshore structures - Part 3: Topsides structure (ISO 19901-3:2014)

ENV 13381-4:2002 Test methods for determining the contribution to the fire resistance of structural members - Part 4: Applied protection to steel members
ENV 13381-2:2002 Test methods for determining the contribution to the fire resistance of stuctural members - Part 2: Vertical protective membranes
89/106/EEC : 1988 COUNCIL DIRECTIVE OF 21 DECEMBER 1988 ON THE APPROXIMATION OF LAWS, REGULATIONS AND ADMINISTRATIVE PROVISIONS OF THE MEMBER STATES RELATING TO CONSTRUCTION PRODUCTS
EN 10025:1990/A1:1993 HOT ROLLED PRODUCTS OF NON-ALLOY STRUCTURAL STEELS - TECHNICAL DELIVERY CONDITIONS
EN 13501-2:2016 Fire classification of construction products and building elements - Part 2: Classification using data from fire resistance tests, excluding ventilation services
EN 10210-1:2006 Hot finished structural hollow sections of non-alloy and fine grain steels - Part 1: Technical delivery conditions
EN 1994-1-2:2005/A1:2014 EUROCODE 4 - DESIGN OF COMPOSITE STEEL AND CONCRETE STRUCTURES - PART 1-2: GENERAL RULES - STRUCTURAL FIRE DESIGN
EN 1991-1-2:2002/AC:2013 EUROCODE 1: ACTIONS ON STRUCTURES - PART 1-2: GENERAL ACTIONS - ACTIONS ON STRUCTURES EXPOSED TO FIRE
EN 1993-1-4:2006/A1:2015 EUROCODE 3 - DESIGN OF STEEL STRUCTURES - PART 1-4: GENERAL RULES - SUPPLEMENTARY RULES FOR STAINLESS STEELS
EN 10219-1:2006 Cold formed welded structural hollow sections of non-alloy and fine grain steels - Part 1: Technical delivery conditions
EN 10155 : 1993 STRUCTURAL STEELS WITH IMPROVED ATMOSPHERIC CORROSION RESISTANCE - TECHNICAL DELIVERY CONDITIONS
EN 1993-1-3:2006/AC:2009 EUROCODE 3 - DESIGN OF STEEL STRUCTURES - PART 1-3: GENERAL RULES - SUPPLEMENTARY RULES FOR COLD-FORMED MEMBERS AND SHEETING
EN 1990:2002/A1:2005/AC:2010 EUROCODE - BASIS OF STRUCTURAL DESIGN
EN 1993-1-8:2005/AC:2009 EUROCODE 3: DESIGN OF STEEL STRUCTURES - PART 1-8: DESIGN OF JOINTS
EN 1993-1-1:2005/A1:2014 EUROCODE 3: DESIGN OF STEEL STRUCTURES - PART 1-1: GENERAL RULES AND RULES FOR BUILDINGS

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