BSI 14/30294489 DC:2014 Edition
$13.70
BS EN 13232-3. Railway applications. Track. Switches and crossings for Vignole rails. Part 3. Requirements for wheel/rail interaction
| Published By | Publication Date | Number of Pages |
| BSI | 2014 | 55 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | 30294489 |
| 3 | 41_e_stf |
| 4 | Contents |
| 6 | Foreword |
| 7 | 1 Scope 2 Normative references |
| 8 | 3 Terms and definitions |
| 11 | 4 Inputs 4.1 General 4.2 Wheel and track parameters 4.2.1 Wheel profiles |
| 12 | 4.2.2 Wheelsets 4.2.3 Rail and track |
| 13 | 4.2.4 Tolerances and wear |
| 14 | 4.3 Contact zone 4.3.1 Contact profile 4.3.2 Contact danger zone 4.3.3 Flangeway depth |
| 15 | 4.3.4 Flangeway width 5 Guidance principles 5.1 Guard and check rails 5.2 Wheelset guidance |
| 16 | 5.2.1 Angle of attack 5.2.2 Flangeway |
| 17 | 5.2.3 Gauge widening 5.2.4 Check rail and common crossing nose 5.2.5 Obtuse Crossings |
| 19 | 5.3 Transitional guidance 5.4 Entry flares 6 Rules 6.1 Introduction 6.2 Security against derailment |
| 20 | 6.3 Wheel profiles and wear |
| 21 | 6.4 Angle of attack |
| 22 | 6.5 Apparent wheel profiles |
| 23 | 6.6 Tangent and secant contact 7 Common derailment-critical situations 7.1 Tangent contact |
| 24 | 7.2 Secant contact at partially open switch tip or crossing nose |
| 26 | 7.3 Secant contact at damaged switch tip (for information only) |
| 27 | 7.4 Limits 8 Output – Functional and Safety Dimensions (FSD) 8.1 Switch panel 8.1.1 Free wheel passage in switches FWPS |
| 28 | 8.1.2 Entry angle |
| 29 | 8.1.3 Switch point relief A2 |
| 31 | 8.1.4 Lateral point retraction |
| 32 | 8.1.5 Lateral point machining |
| 33 | 8.1.6 Gauge in diverging track – vehicle with 3 axles inscription |
| 34 | 8.2 Closure panel 8.3 Common crossing panel 8.3.1 Fixed nose protection Npcf |
| 35 | 8.3.2 Free wheel passage Fwpcf 8.3.3 Free wheel passage at check rail entry Fwpcre |
| 36 | 8.3.4 Free wheel passage at wing rail entry Fwpwre |
| 38 | 8.3.5 Minimum flangeway depth hfw 8.3.6 Flangeway width in diverging track |
| 40 | 8.3.7 Parallel check rail length 8.3.8 Check rail and raised check rail 8.4 Obtuse crossing panel 8.4.1 Free wheel passage Fwpof |
| 43 | 8.4.2 Unguided length 8.4.3 Check rail and raised check rail 8.4.4 Free wheel passage at check rail entry |
| 44 | 8.4.5 Nose protection Npof |
| 46 | 8.5 General items (may occur in all zones within or outside S&C) 8.5.1 Check rail and wing rail entry flare 8.5.2 Flangeway width – Wheel trapping 9 Additional requirements 9.1 Guidance 9.2 Load transfer 9.3 Insufficient wheel support or guidance 9.4 Wheel load transfer |
| 48 | 9.4.1 Sufficiency of bearing area |
| 49 | 9.4.2 Transfer surfaces 9.4.3 Method of assessment 9.5 Insufficient wheel support or guidance 9.5.1 Common crossings |
| 50 | 9.5.2 Obtuse crossings 9.5.3 Movable crossings |
| 51 | Annex A (informative) Functional and safety dimensions, practically used by different European Networks |
| 52 | Annex B (normative) Maximum angle of attack in obtuse crossings |
| 54 | Annex C (informative) Example of Entry Flare Rule |
| 55 | Bibliography |
