The development of procedures to calculate the service life of railway rails requires test results which describe the damage of rails thus affording their validation. Within the DEUFRAKO integrated project NOVUM, ten rail specimens were tested under constant and variable amplitude loads to investigate the propagation of lateral cracks and to ascertain the service life. The test conditions were based on real rail loading and were used in the 3-point-bending test frame under alternating stress. An eccentric notch was applied as pre-arranged damage in the 60 E1 (260) rail specimens. The notched rails showed a similar behaviour like rails with strong head checks damaged by rolling contact fatigue.


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    Title :

    Fatigue Investigations of Damaged Railway Rails of Profil UIC 60


    Additional title:

    Untersuchungen zur Materialermüdung schadhafter Eisenbahnschienen vom Profil UIC 60


    Contributors:
    Schöne, D. (author) / Bork, C.P. (author)


    Publication date :

    2010


    Size :

    8 Seiten, 9 Bilder, 1 Tabelle, 12 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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    Bull head railway rails

    Engineering Index Backfile | 1922