Construction method of in-water pier and pier top beam section of bare rock riverbed
A construction method and technology of piers in water, applied to bridges, bridge parts, bridge materials, etc., can solve problems such as difficult construction and large amount of concrete
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[0093] Such as figure 1 The construction method of a bare rock riverbed underwater pier and pier top beam section is shown. The constructed underwater pier is a reinforced concrete pier supported on the bare rock riverbed 4-4. The underwater pier includes a pile foundation and is supported on the pile The horizontal cap on the foundation and the pier arranged on the horizontal cap, the height of the pier is not less than 50m, see Picture 1-1 The horizontal cap is a reinforced concrete cap constructed with a steel cofferdam 1, the steel cofferdam 1 is a cubic steel box and its cross-section is rectangular, and the cubic steel box is divided into many from bottom to top A cofferdam section arranged in a vertical direction, the cofferdam section at the bottom of the cubic steel box is a steel cofferdam bottom section; Figure 5 The pile foundation includes N bored piles 17 supporting the horizontal platform, and the pier top beam section 14 supported on the underwater pier is a rei...
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