BSI 17/30334205 DC:2017 Edition
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BS EN 13979-1. Railway applications. Wheelsets and bogies. Monobloc wheels. Design assessment procedure. Part 1. Forged and rolled wheels
| Published By | Publication Date | Number of Pages |
| BSI | 2017 | 62 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | 30334205 |
| 3 | 41_e_stf |
| 9 | 1 Scope 2 Normative references 3 Terms and definitions |
| 10 | 4 Parameters for the definition of the application covered 4.1 General 4.2 Parameters for geometrical interchangeability 4.2.1 General 4.2.2 Functional requirements 4.2.3 Assembly requirements 4.2.4 Maintenance requirements |
| 11 | 4.3 Parameters for thermomechanical assessment of tread-braked wheels 4.3.1 Drag braking 4.3.1.1 General 4.3.1.2 Freight rolling stock 4.3.1.3 Other types of rolling stock (powered and passenger) 4.3.2 Dragging brake incident 4.3.2.1 General 4.3.2.2 Freight rolling stock 4.3.2.3 Other types of rolling stock (powered and passenger) 4.4 Parameters for mechanical assessment |
| 12 | 4.5 Parameters for acoustic assessment 5 Description of the wheel to be assessed 6 Assessment of the geometrical interchangeability 7 Assessment of the thermomechanical behaviour 7.1 General procedure |
| 13 | 7.2 First stage – Braking bench test 7.2.1 Test procedure 7.2.2 Decision criteria |
| 14 | 7.3 Second stage – Wheel fracture bench test 7.3.1 General 7.3.2 Test procedure 7.3.3 Decision criterion 7.4 Third stage – Field braking test 7.4.1 General 7.4.2 Test procedure 7.4.3 Decision criteria |
| 15 | 8 Assessment of the mechanical behaviour 8.1 General procedure 8.2 First stage – Calculation 8.2.1 Applied forces 8.2.1.1 Exceptional loading 8.2.1.2 Fatigue load cases |
| 17 | 8.2.2 Calculation procedure 8.2.2.1 General 8.2.2.2 Under exceptional loading 8.2.2.3 Under fatigue load cases |
| 18 | 8.2.3 Decision criteria 8.2.3.1 Under exceptional loading 8.2.3.2 Under fatigue load cases 8.3 Second stage – Bench test 8.3.1 General 8.3.2 Definition of bench loading and of the test procedure 8.3.3 Decision criteria |
| 19 | 9 Assessment of the acoustic behaviour 10 Technical approval documents |
| 20 | Annex A (informative)Drag braking values for vehicles A.1 Freight wagons A.2 Other types of rolling stock |
| 21 | Annex B (normative)Assessment of the thermomechanical behaviour B.1 Assessment flow chart |
| 22 | B.2 Braking bench test procedure B.2.1 Principle of the test B.2.2 Definition of braking B.2.3 Method of measuring the decision criteria B.2.3.1 Measurement of lateral displacements |
| 23 | B.2.3.2 Measurement of residual stresses B.2.4 Tests and measurements B.2.4.1 Measurements before tests B.2.4.2 Braking tests |
| 24 | B.2.4.3 Measurements after the braking cycles B.2.5 Anomalies B.3 Wheel fracture bench test procedure B.3.1 Principle of the test B.3.2 Definition of drag braking |
| 25 | B.3.3 Pre-cracking of the rim B.3.4 Tests and measurements B.3.4.1 Pre-cracking of the rim B.3.4.2 Fracture of the wheel |
| 26 | B.3.5 Anomalies B.4 Field braking test procedure B.4.1 Principle of the test B.4.2 Definition of braking |
| 27 | B.4.3 Method of measurement of the decision criteria B.4.3.1 Measurement of lateral displacements B.4.3.2 Measurement of residual stresses B.4.4 Standard test run B.4.4.1 Vehicle parameters B.4.4.2 Other parameters B.4.4.3 Meteorological conditions |
| 28 | B.4.4.4 Track parameters B.4.5 Tests and measurements B.4.5.1 Measurements before the test B.4.5.2 Braking tests B.4.5.3 Measurements after the braking cycles |
| 29 | B.4.6 Anomalies |
| 30 | Annex C (normative)Wheel profile diameter definition C.1 General |
| 31 | C.2 Diameter after last reprofiling |
| 32 | Annex D (normative)Assessment of mechanical behaviour D.1 Assessment flow chart |
| 33 | D.2 Calculation procedure under exceptional load case D.2.1 Principle |
| 34 | D.2.2 Loading D.3 Calculation procedure under fatigue load cases D.3.1 Principle D.3.2 Loading D.3.3 Calculation method |
| 36 | Annex E (informative)Fatigue load cases for narrow gauge track (metric or close to a metre) |
| 37 | Annex F (informative)Fatigue load cases for tilting trains |
| 38 | Annex G (normative)Mechanical behaviour – Finite element code assessment |
| 39 | Annex H (informative)Mechanical behaviour – Bench loading and test procedure H.1 Principle of bench loading and test procedure H.2 Definition of loading H.2.1 General |
| 40 | H.2.2 Measurement of the stresses during field tests H.3 Fatigue bench test H.3.1 Method 1 – Random fatigue test H.3.1.1 Loading matrix H.3.1.2 Monitoring of the test bench |
| 41 | H.3.1.3 Random fatigue test H.3.1.4 End of test criterion H.3.2 Method 2 – Single-stage fatigue test H.3.2.1 Load matrix and spectrum H.3.2.2 Equivalent stress H.3.2.3 Single-stage fatigue test |
| 42 | H.3.2.4 Acceptance criterion H.3.3 Examples of benches |
| 43 | Annex I (informative)Assessment of the acoustic behaviour I.1 General description I.2 Assessment procedure I.3 Assessment criteria |
| 44 | I.4 Decision criteria I.5 Assessment flow chart |
| 45 | I.6 Calculation procedure I.6.1 Preliminary comment |
| 46 | I.6.2 Calculation of the wheel modal basis I.6.3 Definition of the reference speeds I.6.4 Definition of the reference combined wheel-rail roughness |
| 47 | I.6.5 Definition of the reference track model |
| 48 | I.6.6 Definition of the calculation parameters |
| 49 | I.6.7 Sound power calculation I.6.8 Insertion of the weighting spectrum in the sound power |
| 50 | I.6.9 Calculations of the assessment criteria I.6.10 Optional calculations I.7 Field measurement procedure I.7.1 General |
| 51 | I.7.2 Environmental conditions I.7.3 Track conditions I.7.4 Train conditions I.7.4.1 Wheel tread conditions I.7.4.2 Train composition |
| 52 | I.7.5 Measurement positions |
| 53 | I.7.6 Measurement quantities I.7.7 Test procedure I.7.7.1 Roughness measurements |
| 54 | I.7.7.2 Trackside measurements I.7.8 Data processing I.7.8.1 General I.7.8.2 Calculation of the combined roughness I.7.8.3 Calculation of a noise quantity representative of the sound power I.7.8.4 Correction of noise levels normalized to a reference combined roughness |
| 55 | I.7.8.5 Calculation of the acceptance criteria |
| 56 | Annex J (informative)Ultrasonic method for determining the residual stresses in the rim(non-destructive method) J.1 Procedure J.2 Measuring accuracy |
| 57 | J.3 Calibration J.4 Verification of measurement parameters |
| 58 | Annex ZA (informative)Relationship between this European Standard and the essential requirements of Directive 2008/57/EC |
