Illustrated description of the methods employed in erecting a bridge of 236 ft. span on one of the busiest trunk lines in the country without the interruption of traffic. The new span was erected on falsework on one side of the line and when it was completed the old span was moved to the other side and the new one substituted, the time occupied in moving being less than 14 minutes. (3600 w.)


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    Title :

    Erection of bridge 69, Pennsylvania railroad


    Additional title:

    Eng Rec


    Published in:

    Publication date :

    1899


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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