SN EN 13749 : 2011

Foreword
1 Scope
2 Normative references
3 Terms and definitions
   3.1 Commercial terms
   3.2 Technical terms
   3.3 Symbols and units
4 Co-ordinate system
5 Classification
6 Responsibilities
7 Contents of technical specification
   7.1 Scope
   7.2 General requirements
   7.3 Vehicle conditions and interfaces
   7.4 Operational characteristics
   7.5 Line characteristics
   7.6 Environmental conditions
   7.7 Maintenance and inspection
   7.8 Particular requirements
8 Verification of the design
9 Acceptance of the design
   9.1 General
   9.2 The acceptance programme
       9.2.1 Content
       9.2.2 Calculations
       9.2.3 Static tests
       9.2.4 Fatigue tests
       9.2.5 On-track tests
10 Quality requirements
Annex A (informative) Load cases
Annex B (informative) Guide for the loading conditions
                      of vehicles
Annex C (informative) Loads due to bogie running
   C.1 General
   C.2 Examples of loads for bogies of passenger rolling
       stock - categories B-I & B-II
       C.2.1 Exceptional loads
       C.2.2 Normal service loads
   C.3 Examples of loads for freight bogies with a central
       pivot and two side bearers - category B-V
       C.3.1 Relationship of vertical forces
       C.3.2 Exceptional loads
       C.3.3 Normal service loads
   C.4 Examples of loads for bogies of locomotives (with two
       bogies) - category B-VII
       C.4.1 Exceptional loads
       C.4.2 Normal service loads
   C.5 Examples of loads for bogies of light rail vehicles and
       trams - categories B-III & B-IV
       C.5.1 Application
       C.5.2 Load cases
       C.5.3 General Expressions for the Basic Load Cases
Annex D (informative) Loads due to components attached to the
                      bogie frame
   D.1 General
   D.2 Component inertia loads and other loads
       D.2.1 Loads resulting from masses attached to the frame
       D.2.2 Loads resulting from masses attached to the axlebox
       D.2.3 Loads resulting from viscous dampers
       D.2.4 Loads resulting from braking
       D.2.5 Loads resulting from traction motors
       D.2.6 Forces applied on anti-roll systems
Annex E (informative) Calculation methods
   E.1 General
   E.2 Loads
   E.3 Analysis method
   E.4 Permissible stresses for materials
       E.4.1 Static strength
       E.4.2 Fatigue strength
   E.5 Uncertainty factors
       E.5.1 Material parameters
       E.5.2 Dimensional tolerances
       E.5.3 Manufacturing process
       E.5.4 Analytical accuracy
       E.5.5 Allowance for uncertainties
   E.6 Demonstration of yield or proof strength under
       exceptional loads
   E.7 Demonstration of ultimate strength
   E.8 Demonstration of stiffness
   E.9 Demonstration of fatigue strength
       E.9.1 General
       E.9.2 Endurance limit approach
       E.9.3 Cumulative damage approach
Annex F (informative) Examples of static test programmes
   F.1 General
   F.2 Static test programme for bogies of passenger rolling
       stock with body supported directly to the sideframes
       (categories B-I & B-II)
       F.2.1 Tests under exceptional loads
       F.2.2 Tests under normal service loads
   F.3 Static test programme for bogies with central pivot and
       two side bearers (category B-V)
       F.3.1 Tests under exceptional loads
       F.3.2 Tests under normal service loads
   F.4 Static test programme for bogies of locomotives
   F.5 Static test programme for bogies of light rail vehicles
       and trams
       F.5.1 General
       F.5.2 Tests under exceptional loads
       F.5.3 Tests under normal service loads
Annex G (informative) Examples of fatigue test programmes
   G.1 General
   G.2 Fatigue test programme for bogies with the body supported
       directly on the sideframes (categories B-I and B-II)
   G.3 Fatigue test programme for a freight bogie with a central
       pivot and two side bearers (category B-V)
       G.3.1 General
       G.3.2 Vertical loads
       G.3.3 Transverse loads
   G.4 Fatigue test programme for locomotive bogies (category
       B-VII)
   G.5 Fatigue test programme for bogies of light rail vehicles
       and trams (category B-IV)
Bibliography

Describes the method to be followed to achieve a satisfactory design of bogie frames and includes design procedures, assessment methods, verification and manufacturing quality requirements.