Precise positioning method for large-scale steel open caisson
A precise positioning, steel caisson technology, applied in the direction of caisson, erection/assembly of bridges, bridges, etc., can solve the problems of adjustment difficulty, construction deviation, overspeed, etc., achieving obvious economic benefits, reducing construction difficulty, and high positioning accuracy Effect
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[0040] The present invention will be further described in detail below in conjunction with the drawings and embodiments.
[0041] The invention provides a precise positioning method for a large steel caisson, which includes the following steps:
[0042] S1. Make the steel anchor piles 2 upstream and downstream of the steel caisson 1 at the factory. The steel anchor piles 2 are made of steel piles with a diameter of 3.5m. The steel anchor piles 2 are marked with a scale and the connection direction of each cable , And sleeve one end of the upper cable 3 and the lower cable 4 made of steel wire rope with a diameter of 114mm into the designated position of the steel anchor pile 2; figure 1 As shown, the manufactured steel anchor piles 2 are transported to the upstream and downstream pile positions, and inserted and driven after the positioning is completed by the positioning ship 10 and the GPS positioning system.
[0043] S2. Make a concrete gravity anchor 5 on the shore, connect the c...
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