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Upper Peninsula Regional Digitization Center

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  • All fields: tubes
(6 results)



Display: 20

    • Cable bent  cofferdam

    • Mackinac Bridge (Mich) ; Bridges -- Design and construction
    • The first section of the south cable bent pier was fabricated in Toledo, OH and towed to the site where it was placed within a corral and sunk to bedrock like the other piers. The round objects are tubes (digging wells) used by clamshell bucket...
    • Grouting

    • Mackinac Bridge (Mich) ; Bridges -- Design and construction
    • Here the grout plant is moored to one of the cable anchor piers. The grout is pumped through the grout tubes into the voids between the limestone aggregate and raises to the surface forcing the water up and out. (1)
    • Grouting

    • Mackinac Bridge (Mich) ; Bridges -- Design and construction
    • Here the grout plant is moored to one of the cable anchor piers. The grout is pumped through the grout tubes into the voids between the limestone aggregate and raises to the surface forcing the water up and out. (2)
    • Grouting

    • Mackinac Bridge (Mich) ; Bridges -- Design and construction
    • The grout plant is busy making the grout that it will pump down into the aggregate inside the caisson. One of the grout tubes is located on the left.
    • Grouting

    • Mackinac Bridge (Mich) ; Bridges -- Design and construction
    • The grout plant is busy making the grout that it will pump down into the aggregate inside the caisson. One of the grout tubes is located on the left.

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