Average progress of 20 ft. per heading each 10-hr, shift was maintained in driving with shields 21-ft. water tunnel, 12,000 ft. long, between River Rouge and Ford Motor Co.'s Dearborn plant in Detroit; precast blocks successfully used after timber cant lining fails to withstand pressure of shield jacks; tunnel has capacity of 913.6 m.g.d.; hydraulic erector mounted on independent carriage; design of blocks and block-making plants. (See also - (discussion), no. 15, Oct. 8, p. 584; Concrete Products, vol. 40, no. 2, Feb. 1931, p. 33, 2 figs)


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    Title :

    Concrete block lining permits rapid driving of large water tunnel in Detroit


    Additional title:

    Eng. News-Rec


    Published in:

    Publication date :

    1931


    Size :

    5 pages


    Remarks:

    8 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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