Track alignment for "Portal" cranes; term Portal relates to cranes which allow automotive and rail traffic to pass beneath body and between legs of crane; largest of these cranes weighs 700 tons, can lift 75 tons and travel on track gage up to 40 ft; prior to 1900 these cranes traveled on straight tracks only; use of curved trackage.


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    Title :

    Geometric problem in traveling crane track alignment


    Additional title:

    Am Soc Civ Engrs -- Proc Separate


    Contributors:


    Publication date :

    1954


    Size :

    9 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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