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Failure analysis of railway switches and crossings for the purpose of preventive maintenance.
KTH, School of Architecture and the Built Environment (ABE), Transport Science.
2011 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

In the Swedish railway network there are about 12000 units of track switches and crossings, which at 13000 Km, make up about 5.5 percent of the total track length. However, the maintenance cost for S&C is more than 13 percent of the total maintenance cost which is high in comparison with their proportion. The aim of the project is to conduct research into classification of the different modes of failure in S&C components and to perform a statistical analysis to converge the data in order to determine the most important failures that occur in turnouts.

Place, publisher, year, edition, pages
2011. , 79 p.
Trita-VBT, ISSN 1650-867X ; 11:17
Keyword [en]
Turnout; Rail; Sleeper; Ballast; Sub grade; Failure Mode and Effect Analysis (FMEA); Rectification; Risk Priority Number (RPN);
National Category
Engineering and Technology
URN: urn:nbn:se:kth:diva-52614OAI: diva2:467211
Available from: 2011-12-19 Created: 2011-12-19 Last updated: 2012-02-14

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