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BS EN 1993-1-2:2024

BS EN 1993-1-2:2024

$215.11

Eurocode 3. Design of steel structures – Structural fire design

Published By Publication Date Number of Pages
BSI 2024 102
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1.1 Scope of prEN 1993-1-2 (1) This document provides rules for the design of steel structures for the accidental situation of fire exposure. This Part of EN 1993 only identifies differences from, or supplements to, normal temperature design. (2) This document applies to steel structures required to fulfil a loadbearing function. (3) This document does not include rules for separating function. (4) This document gives principles and application rules for the design of structures for specified requirements in respect of the aforementioned function and the levels of performance. (5) This document applies to structures, or parts of structures, that are within the scope of EN 1993 1 1 and are designed accordingly. (6) This document is intended to be used in conjunction with EN 1991-1-2, EN 1993-1-1, EN 1993 1-3, EN 1993-1-4, EN 1993-1-5, EN 1993-1-6, EN 1993-1-7, EN 1993-1-8, EN 1993-1-11, EN 1993-1-13 or EN 1993-1-14. 1.2 Assumptions (1) Unless specifically stated, EN 1990, EN 1991(all parts) and EN 1993-1-1 apply. (2) The design methods given in prEN 1993-1-2 are applicable if – the execution quality is as specified in EN 1090-2 and/or EN 1090-4, and – the construction materials and products used are as specified in prEN 1993-1-1:2020, Table 5.1 and Table 5.2 and in prEN 1993-1-3:2022, Table 5.1 and Table 5.2, or in the relevant material and product specifications. (3) In addition to the general assumptions of EN 1990 the following assumptions apply: – the choice of the relevant design fire scenario is made by appropriate qualified and experienced personnel, or is given by the relevant national regulation; – any fire protection measure taken into account in the design will be adequately maintained.

PDF Catalog

PDF Pages PDF Title
2 undefined
54 Annex A (normative)Strain-hardening of steel at elevated temperatures
A.1 Use of this annex
A.2 Scope and field of application
A.3 Stress-strain relationships at elevated temperatures for structural steel
56 Annex B (normative)Heat transfer to external steelwork
B.1 Use of this annex
B.2 Scope and field of application
B.3 General
B.3.1 Basis
B.3.2 Conventions for dimensions
57 B.3.3 Heat balance
59 B.3.4 Overall configuration factors
60 B.4 Column not engulfed in flame
B.4.1 Radiative heat transfer
B.4.2 Flame emissivity
64 B.4.3 Flame temperature
65 B.4.4 Flame absorptivity
B.5 Beam not engulfed in flame
B.5.1 Radiative heat transfer
67 B.5.2 Flame emissivity
68 B.5.3 Flame temperature
69 B.5.4 Flame absorptivity
B.6 Column engulfed in flame
72 B.7 Beam fully or partially engulfed in flame
B.7.1 Radiative heat transfer
B.7.1.1 General
B.7.1.2 No forced draught’ condition
74 B.7.1.3 Forced draught’ condition
75 B.7.2 Flame emissivity
B.7.3 Flame absorptivity
76 Annex C (normative)Stainless steels
C.1 Use of this annex
C.2 Scope and field of application
C.3 Thermal properties
C.3.1 Emissivity coefficient
C.3.2 Thermal conductivity
C.3.3 Specific heat
77 C.4 Mechanical properties of stainless steel
C.4.1 General
C.4.2 Stress-strain relationship
82 C.4.3 Thermal expansion
C.4.4 Density
C.5 Simple calculation models
C.5.1 General
C.5.2 Classification of cross-sections
C.5.2.1 Classification of compression elements
83 C.5.2.2 Effective widths in slender sections
84 C.5.3 Resistance
C.5.3.1 Tension members
C.5.3.2 Compression members
86 C.5.3.3 Beams
88 C.5.3.4 Members subject to combined bending and axial compression
91 Annex D (normative)Joints
D.1 Use of this annex
D.2 Scope and field of application
D.3 Bolted joints
D.3.1 General
D.3.2 Design resistance of bolts in shear
D.3.2.1 Category A: Bearing type
92 D.3.2.2 Category B: Slip resistance at serviceability and category C Slip resistance at ultimate state
D.3.3 Design resistance of bolts in tension
93 D.4 Design resistance of welds
D.4.1 Butt welds
D.4.2 Fillet welds
94 D.5 Temperature of joints in fire
D.6 Welded steel tubular joints
D.6.1 General
D.6.2 Welded tubular joints with axial compression in brace members
D.6.3 Welded tubular joints with in-plane bending moment in brace members
96 Annex E (normative)Beams with large web openings
E.1 Use of this annex
E.2 Scope and field of application
E.3 Thermal response
100 E.4 Mechanical response

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BS EN 1993-1-2:2024
$215.11