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Track-substructure investigations using ground penetrating radar and track loading vehicle
KTH, Superseded Departments, Aeronautical and Vehicle Engineering.
2003 (English)Conference paper, Published paper (Other academic)
Abstract [en]

Upgrading of existing railway lines for higher axle loads and speeds requires new modern methods for in situ investigation. Combination of measurements of track irregularities, continuous track stiffness and non-destructive geophysical methods like Ground Penetrating Radar (GPR) can be a good example of how important information about the status of existing railways can be obtained. GPR and Track Loading Vehicle (TLV) have been tested on the Swedish Western Main Line where subsoil of very soft clays under the track has caused a lot of problems. Results from investigations are going to be used for mitigation of excessive settlements, slides and especially environmental vibrations. Track stiffness was measured several times along the track with different excitation frequencies and travelling speed with Banverket’s Track Loading Vehicle. Track irregularities have been measured twice a year for several years. The GPR measurement was based on verified measurements that have been done for the Czech Railways. The GPR records were processed into the form of longitudinal sections to the depth of 3 m. Statistic methods have been applied for studies of relations between the parameters measured by the GPR and Track Loading Vehicle.

Place, publisher, year, edition, pages
2003.
Keyword [en]
Track-substructure investigation, ground penetrating radar, track loading vehicle, track stiffness
National Category
Vehicle Engineering
Identifiers
URN: urn:nbn:se:kth:diva-26357OAI: oai:DiVA.org:kth-26357DiVA: diva2:372003
Conference
Maintenance & Renewal of Permanent Way; Power & Signalling; Structures & Earthworks, 30th April - 1st May 2003
Note

QC 20101123

Available from: 2010-11-23 Created: 2010-11-23 Last updated: 2012-08-23Bibliographically approved
In thesis
1. Dynamic track stiffness measurement: a new tool for condition monitoring of track substructure
Open this publication in new window or tab >>Dynamic track stiffness measurement: a new tool for condition monitoring of track substructure
2005 (English)Licentiate thesis, comprehensive summary (Other scientific)
Place, publisher, year, edition, pages
Stockholm: KTH, 2005. x, 26 p.
Series
Trita-AVE, ISSN 1651-7660 ; 2005:14
Keyword
Technology, track stiffness, track maintenance, soil dynamics, measurement
National Category
Vehicle Engineering
Identifiers
urn:nbn:se:kth:diva-341 (URN)91-7283-806-X (ISBN)
Presentation
2005-06-01, seminarierum S40, Teknikringen 8, Stockholm, 10:15
Note
QC 20101123Available from: 2005-08-01 Created: 2005-08-01 Last updated: 2010-11-23Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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More styles
Language
  • de-DE
  • en-GB
  • en-US
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  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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