Earth materials - i.e. soil and rock - form the substructure of all railroad track. In this report a summary and assessment is presented with respect to current and available practices for substructure (ballast, subballast, and subgrade) materials evaluation and selection, stabilization, design and analysis, and performance evaluation.


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    Title :

    Ballast and Subgrade Requirements Study: Summary and Assessment Report


    Contributors:

    Publication date :

    1983


    Size :

    85 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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