Construction method of pier and pier top beam section in bare rock river bed
A construction method and technology for piers in water, applied in bridges, bridge materials, bridge construction, etc., can solve the problems of large amount of concrete and difficult construction.
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[0093] Such as figure 1 A kind of construction method of pier and pier top beam section shown in the bare rock riverbed, the pier in the water is a reinforced concrete pier supported on the bare rock riverbed 4-4, the pier in the water includes a pile foundation, supported on the pile The horizontal cap on the foundation and the pier body arranged on the horizontal cap, the height of the pier body is not less than 50m, see Picture 1-1 The horizontal cap is a reinforced concrete cap for construction using 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 multiple sections from bottom to top. a cofferdam section arranged vertically, the cofferdam section at the bottom in the cubic steel box is a steel cofferdam bottom section; Figure 5 , the pile foundation includes N bored piles 17 supporting the horizontal cap, and the pier top beam section 14 supported on the water pier is a reinfor...
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