This paper introduces a novel synthetic energy absorbing layer (SEAL) for railway sub-ballast by employing recycled materials including granular mining by-products and rubber crumbs. The energy absorbing concept of including SEAL in the railway was elaborated firstly based on comprehensive small-scale laboratory test results and then followed by the validation of this concept adopting large-scale track process simulation tests on track samples incorporating SEAL. The test results further proved that the increased energy absorbing property in the sub-ballast layer by using SEAL with a proper rubber content (10% by mass) will benefit the rail track with reduced ballast breakage, lateral movement, and load propagation to the underlying layer while maintaining an acceptable level of vertical deformation compared to the rail tracks with traditional materials.


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    Titel :

    Innovative Design of Rail Tracks Involving Recycled Rubber and Mining Waste


    Beteiligte:
    Qi, Yujie (Autor:in) / Indraratna, Buddhima (Autor:in)

    Kongress:

    Third International Conference on Rail Transportation ; 2024 ; Shanghai, China


    Erschienen in:

    ICRT 2024 ; 563-570


    Erscheinungsdatum :

    18.03.2025




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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