Abstract
A turnout, a component on modern railway tracks, provides operational flexibility by diverting the vehicles to different directions between two routes. A crossing area is a part of turnout where two tracks intersect at a point. At this part, the rail profiles vary along the track and moreover, some of crossing types (i.e., common crossings) have a discontinuity. As a result, high-frequency high impact forces emerge at the crossing area, especially on the crossing nose. Inherently, the repeated forces result in a fatigue problem over turnout crossing noses, which is the root cause of high maintenance costs in railway operations. Most of the studies conducted to date is about the physical phenomena such as environmental effects, material properties, dynamic characteristics of the vehicle/track or management such as maintenance strategies. However, regarding the high costs owing to turnouts in the maintenance budget, an investigation of the problem from an economic aspect is believed to be beneficial for Infrastructure Managers, since it is the top concern for IMs.
Original language | English |
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Article number | 1142 |
Number of pages | 3 |
Journal | Proceedings |
Volume | 2 |
Issue number | 16 |
DOIs | |
Publication status | Published - 17 Sept 2018 |
Event | 2018 International Symposium on Rail Infrastructure Systems Engineering - Brno, Czech Republic Duration: 5 Jun 2018 → 5 Jun 2018 |
Keywords
- stochastic approach
- life cycle cost
- railway
- turnouts
- switches
- crossings
- climate
- uncertainties