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Analysis of static fractures of rails due to wheel flats

Elena Kabo (Institutionen för tillämpad mekanik, Material- och beräkningsmekanik) ; Anders Ekberg (Institutionen för tillämpad mekanik, Material- och beräkningsmekanik) ; Jens C. O. Nielsen (Institutionen för tillämpad mekanik, Dynamik)
Göteborg : Chalmers University of Technology, 2009. - 22 s.
[Rapport]

The analysis focuses on larger cracks in rails that have deviated to a transverse propagation. In the railhead this corresponds to crack sizes larger than about a centimetre. For rail foot cracks, the restriction is that linear elastic fracture mechanics should be valid in the study of crack growth. This corresponds to crack sizes larger than some millimetres. For the cracks studied it is presumed that rail bending drives crack growth.



Denna post skapades 2010-01-14. Senast ändrad 2014-09-17.
CPL Pubid: 107337