Enlarged to permit passage of largest cars used by railroads of country; major excavation over a length of 4000 ft. near west portal was at its greatest depth about 2 ft. and 9 in.; handling excavated material under track and disposing of it without interfering with trains; overhead rock excavation. Reprinted from "Boston and Maine Railroad Employees Magazine." (see also Eng. and Contracting, vol. 67, no. 11, Nov. 1928, pp. 577-578)


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    Titel :

    Hoosac tunnel enlargement


    Weitere Titelangaben:

    Boston Soc. Civil Engrs. -- Jl



    Erscheinungsdatum :

    1928


    Format / Umfang :

    5 pages


    Anmerkungen:

    1 Fig.


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


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