BSI 14/30294495 DC:2014 Edition
$13.70
BS EN 13232-4. Railway applications. Track. Switches and crossings for Vignole rails. Part 4. Actuation, locking and detection
| Published By | Publication Date | Number of Pages |
| BSI | 2014 | 22 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | 30294495 |
| 3 | 41_e_stf |
| 4 | Contents |
| 5 | Foreword |
| 6 | 1 Scope 2 Normative references 3 Terms and definitions 3.1 General |
| 8 | 3.2 Actuation forces |
| 9 | 3.3 Geometrical parameters |
| 11 | 3.4 Movement and retention of switches and crossings with moveable parts |
| 13 | 3.5 Kinematics and dynamics 3.5.1 Movement of switch rails |
| 14 | 3.6 Dynamics of the wheel 3.7 Dynamics of switches |
| 15 | 4 Design criteria 4.1 Parameters required 4.2 Calculations and verifications 4.2.1 Object detection between stock rail and switch rail 4.2.2 Calculation of minimum flangeway |
| 16 | 4.2.3 Correct closing |
| 17 | 4.2.4 Neutral position 4.2.5 Negative force 4.2.6 Mechanical integrity 5 Test methods 5.1 Obstacle detection 5.2 Minimum flangeway / free passage of wheel |
| 18 | 5.3 Correct closing 5.4 Actuation force, Fa 5.5 Neutral position 5.6 Negative force 5.7 Trailability 5.7.1 General |
| 19 | 5.7.2 Factory testing 5.7.3 Track testing 6 Acceptance 6.1 General 6.2 Standard testing (no prototypes) 6.3 Prototype testing |
| 20 | 6.4 Testing requirements for change in flexibility |
| 21 | Annex A (informative) Commonly used values for obstacle detection |
| 22 | Annex B (informative) Commonly used values for flangeway |
