Tunnel, opened in 1856, built through chalk, consists of brick arch supported on original chalk as side walls; cross section and gradient shown in diagrams; conditions necessitating remedial measures; organization of renewal work considering traffic conditions; illustrated description of preassembled track unit mounted on 40-ft flat and of "Matisa" sleeper tamping machine.


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    Title :

    Renewal of ballast and track by mechanical means in Polhill tunnel


    Additional title:

    Instn Civ Engrs -- J


    Contributors:


    Publication date :

    1949


    Size :

    18 pages


    Remarks:

    3 Supp plates


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English