Special aspects of long welded rails as related to track structure, rail welding, control of rail temperature, and maintenance of long welded rails primarily to prevent buckling are outlined; maximum length of long welded rail adopted on Japanese National Railways is 1500 m and at both ends, expansion joints are attached; long welded rails are not used in curves whose radius is shorter than 1000 m; in construction of New Tokaido Line, maximum rail temperature was assumed as 60 C, minimum rail temperature as -10 C and normal rail temperature at which rails are fastened to sleepers in free state as 20 to 30 C; releasing and refastening of rails to control fastening temperature.


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    Title :

    Long welded rail in New Tokaido line


    Additional title:

    Permanent Way


    Contributors:
    Inouye, Z. (author) / Fukazawa, Y. (author)

    Published in:

    Permanent Way ; 10 , n 2


    Publication date :

    1968


    Size :

    26 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


    New Tokaido line

    Kato, I. | Engineering Index Backfile | 1963


    New tokaido line

    Fujii, M. | Tema Archive | 1968


    The Tokaido Shinkansen

    Isozaki, A. | British Library Online Contents | 1998


    The Tokaido Shinkansen

    Isozaki, A. / Union Internationale des Chemins de Fer (UIC) / Union des Industries Ferroviaires Europeennes | British Library Conference Proceedings | 1998


    Die neue tokaido-bahn

    Kunimatsu, K. | Tema Archive | 1968