Construction of single-track railroad tunnel passing through central range of Andes in Colombia, at elevation of over 4000 ft, having length of 12,250 ft; problems arising in transporting men and equipment; labor situation as affecting work of contractor; construction equipment; 1000-kv-a hydroelectric plant; methods adopted in driving, timbering and lining; commercial woods found in Nus Valley. Before Eng Inst Canada.


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    Title :

    Construction of La Quiebra Tunnel, Colombia, S. A.


    Additional title:

    Eng J


    Contributors:

    Published in:

    Publication date :

    1933


    Size :

    10 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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