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Deterioration of insulated rail joints – a three-year field study

Johan Sandström (Institutionen för tillämpad mekanik, Material- och beräkningsmekanik) ; Elena Kabo (Institutionen för tillämpad mekanik, Material- och beräkningsmekanik) ; Arne Nissen ; Fredrik Jansson ; Anders Ekberg (Institutionen för tillämpad mekanik, Dynamik) ; Roger Lundén (Institutionen för tillämpad mekanik, Dynamik)
Proceedings of the 9th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems (CM2012) p. 301-308. (2012)
[Konferensbidrag, refereegranskat]

Four operational joints at the Swedish West Coast Line have been monitored in field from installation and during three years of operation to follow degradation. Even though operational loads were comparatively low, material damage was found to occur early after installation. All joints showed a similar damage pattern with dominating deformation on the side towards a nearby station. In addition some joints showed “cavity-like” damage on the off-station side. The paper reports observations on continuing degradation of the joints as well as hardness evolution and increased joint dip over time.



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Denna post skapades 2013-01-15. Senast ändrad 2014-09-17.
CPL Pubid: 170600