Journal
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART F-JOURNAL OF RAIL AND RAPID TRANSIT
Volume 224, Issue F5, Pages 353-360Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1243/09544097JRRT354
Keywords
condition data; pattern recognition; dynamic stiffness
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Measured condition data may contain lots of information that is not efficiently used. By using techniques from the field of pattern recognition, this article outlines a methodology for eliciting new information. The methodology is demonstrated on a large set of condition data originating from track geometry quality, dynamic stiffness, and ground penetrating radar. The case study gives evidence for the importance of dynamic stiffness measurements as to determine soil- and embankment-related track problems, whereas problems originating from the upper part or the track structure do not benefit significantly.
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