BS EN 17149-2:2024

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Railway applications. Strength assessment of rail vehicle structures – Static strength assessment

Published By	Publication Date	Number of Pages
BSI	2024	28

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Categories: 45.060.01 - Railway rolling stock in general, BSI

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Description

This document specifies a procedure for static strength assessment of rail vehicle structures. It is part of a series of standards that specifies procedures for strength assessments of structures of rail vehicles that are manufactured, operated and maintained according to standards valid for railway applications. The assessment procedure of the series is restricted to ferrous materials and aluminium. This document series does not define design load cases. This document series is not applicable for corrosive conditions or elevated temperature operation in the creep range. This series of standards is applicable to all kinds of rail vehicles. However, it does not define in which cases or for which kinds of rail vehicles a static strength assessment is to be undertaken.

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PDF Pages	PDF Title
2	undefined
8	1 Scope 2 Normative references 3 Terms and definitions
9	4 Stress and strain determination 4.1 General 4.2 Calculation of equivalent stress with linear elastic material behaviour 4.2.1 General 4.2.2 Equivalent stress for ductile materials
10	4.2.3 Equivalent stress for brittle materials 4.3 Calculation with nonlinear material behaviour 4.3.1 Material models
12	4.3.2 Equivalent stress 4.3.3 Equivalent plastic strain 4.4 Determination of stresses and strains by test
13	5 Static strength 5.1 Material properties 5.1.1 General 5.1.2 Parent material
14	5.1.3 Heat affected zone (HAZ) and weld metal
15	5.2 Admissible plastic strain 5.2.1 Exceptional design loads
16	5.2.2 Ultimate design loads
17	6 Partial factors 6.1 General 6.2 Partial factor for loads γL 6.3 Partial factor for the component static strength γM 6.3.1 General 6.3.2 Partial factor for the consequence of failure γM,S
18	6.3.3 Partial factor for the degree of the validation process γM,V 6.3.4 Partial factor for the material hardening γM,T 6.3.5 Partial factor for casting γM,G
19	6.4 Partial factor for instability γI 7 Static strength assessment procedure 7.1 General 7.2 Linear elastic analysis 7.2.1 Stress criterion
20	7.2.2 Deformation criterion
21	7.2.3 Stability criterion 7.3 Nonlinear elastic-plastic analysis 7.3.1 General 7.3.2 Stress criterion
22	7.3.3 Strain criterion 7.3.4 Deformation criterion 7.3.5 Stability criterion
23	Annex A (informative)Additional information for the section factor npl,ε

Additional information

Status	Definitive
Pages	28
Publication Date	2024-04-19
ISBN	978 0 539 18715 1
Standard Number	BS EN 17149-2:2024
Title	Railway applications. Strength assessment of rail vehicle structures – Static strength assessment
Identical National Standard Of	EN 17149-2
Descriptors	Railway engineering, Railway equipment, Railway freight vehicles, Railway passenger vehicles, Railways, Railway vehicles, Safety, Risk assessment, Testing, Mechanical testing, Structural analysis, Structural engineering, Structural parts
Publisher	BSI
Committee	RAE/3/-/11
ICS Codes	45.060.01 - Railway rolling stock in general

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BS EN 17149-2:2024

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