The objective of this project was to determine the longitudinal stress in rails, in order to reduce rail buckling due to temperature-induced stresses. Continuous welded rails (CWR) are typically long members which are susceptible to failure caused by temperature changes. Such rail temperature changes can cause considerable disruption to the rail network and, in the worst case, cause freight or passenger train derailment. An important parameter in analysis of temperature induced stresses is the rail neutral temperature (RNT), defined as that rail temperature at which the net longitudinal force in the rail is zero. The objective of this project was to determine the longitudinal stress in rails using the polarization of Rayleigh surface waves, to reduce buckling and fracture.


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    Titel :

    Determination of Longitudinal Stress in Rails. Safety IDEA Program


    Beteiligte:
    S. Hurlebaus (Autor:in)

    Erscheinungsdatum :

    2011


    Format / Umfang :

    58 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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    Experimental study of longitudinal stresses in rails

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