Provision of semi-hump with special grade in train-pushing zone in flat yard is recommended as result of track grade study carried out to improve efficiency in train cut and make-up operation; suggested grades are called H type pre-grade and post grade; pre-grade, composed of catenary curve and supplementary grade in vertical track section, makes continuous kick-off cutting of train pushed by engine possible; postgrade was designed so that car or cut of cars would roll down from hump crest with rectangular speed curve instead of triangular one in conventional hump yard.


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    Title :

    Theoretical study on track grades in marshalling yard


    Additional title:

    Tokyo. Ry Tech Research Inst -- Quarterly Report


    Contributors:
    Innami, T. (author) / Harada, M. (author)


    Publication date :

    1965


    Size :

    8 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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