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The Influence of Under Sleeper Pads on Railway Track Dynamics
Linköping University, Department of Management and Engineering.
2008 (English)Independent thesis Advanced level (degree of Magister), 20 points / 30 hpStudent thesis
Abstract [en]

In this work the influence of Under Sleeper Pads on the dynamic forces on a railway track is investigated. A special interest is devoted to the effect of using Under Sleeper Pads in a railway track with changing vertical stiffness. The contact force between wheel and rail and the ballast contact forces are examined. For the investigation a finite element model with the length of thirty sleepers is created and calculations are performed with the software LS-DYNA. Three different cases of varying vertical track stiffness are studied: the transition from an embankment to a bridge, a randomly varying track stiffness along the railway track and hanging sleepers.

Place, publisher, year, edition, pages
2008. , 55 p.
Keyword [en]
railway rack, track stiffness, under sleeper pad, finite element model, hanging sleeper
National Category
Applied Mechanics
URN: urn:nbn:se:liu:diva-12232ISRN: LIU-IEI-TEK-A- -08/00442- -SEOAI: diva2:18486
2008-05-23, Hook, Jönköping, 16:15
Available from: 2008-09-12 Created: 2008-09-12

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Department of Management and Engineering
Applied Mechanics

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