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Computers and Structures 89 (2011) 1882–1894
Contents lists available at ScienceDirect
Computers and Structures
journal homepage: www.elsevi /locate/compstruc
Influence of track conditions and wheel wear state on the loads imposed
on the infrastructure by railway vehicles
J. Pombo a,⇑, J. Ambrósio a, M. Pereira a, R. Verardi b, C. Ariaudo b, N. Kuka b
a IDMEC/Instituto Superior Técnico, Technical University of Lisbon, Lisbon, Portugal
b Railway Dynamics, Experts, ALSTOM Ferroviaria, Savigliano (CN), Italy
a r t i c l e i n f o a b s t r a c t
Article history: Nowadays, one of the most sensible issues in the railway industry is the damage on vehicles caused by
Received 9 November 2009 the track conditions and the infrastructure deterioration due to the trains’ passage. Therefore, it is essen-
Accepted 10 May 2011 tial to acquire a better understanding on how the operation conditions influence the wear evolution of
Available online 2 June 2011
the railway wheels and the consequences of their changing profiles on vehicle–track interaction forces.
In this work, a computational tool is used to simulate the dynamic performance of integrated railway sys-
Keywords: tems and to predict the wear evolution of wheel profiles. The tool is applied to realistic operational sce-
Railway dynamics
narios with the purpose to evaluate the influence of the track conditions, defined by the track
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