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Dynamic behaviour of an in situ partially supported concrete railway sleeper
Linköping University, Department of Management and Engineering, Solid Mechanics. Linköping University, The Institute of Technology.
Linköping University, Department of Management and Engineering, Solid Mechanics. Linköping University, The Institute of Technology.
2011 (English)In: Proceedings of the Institution of mechanical engineers. Part F, journal of rail and rapid transit, ISSN 0954-4097, E-ISSN 2041-3017, Vol. 225, no F5, 501-508 p.Article in journal (Refereed) Published
Abstract [en]

Analytical and finite-element solutions to the problem of a vibrating beam, fully or partly supported by an elastic foundation, are presented. An application example is the vertical (transverse) vibration of a concrete railway sleeper embedded in an elastic medium (the ballast). The sleeper is also elastically connected to the rails. Eigenfrequencies are calculated and vibration modes are discussed. The beam (sleeper) is divided into sections where each section may or may not be supported by the elastic foundation. Outside the voids (the non-supported parts of the sleeper) the sleeper is assumed fully attached to the support. Some conclusions are that the foundation stiffness influences the (almost) rigid-body vibration modes of the sleeper the most, whereas the lowest bending-mode eigenfrequencies are just slightly influenced by the foundation stiffness; higher eigenfrequencies are affected very little by the foundation. The influence of railpad (and rail) stiffness on the sleeper bending-mode eigenfrequencies is negligible.

Place, publisher, year, edition, pages
Professional Engineering Publishing (Institution of Mechanical Engineers) , 2011. Vol. 225, no F5, 501-508 p.
Keyword [en]
railway sleeper, concrete sleeper, elastic foundation, eigenfrequencies
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-70522DOI: 10.1177/2041301710392492ISI: 000294071600007OAI: oai:DiVA.org:liu-70522DiVA: diva2:440101
Available from: 2011-09-12 Created: 2011-09-12 Last updated: 2017-12-08

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Dahlberg, Tore

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf