Hierarchical synchronous hydraulic jacking process for large-tonnage ocean engineering structure
A technology for marine engineering and structures, applied in the direction of hoisting devices, etc., can solve the problems of increased deck construction period, low crane hoisting efficiency, and reduced site utilization, so as to improve site utilization, center of gravity and instability factors are small, The effect of shortening the construction period
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[0036] Such as figure 1 , figure 2 As shown, in the present invention, after the prefabrication of the deck piece is completed on the site, the graded synchronous hydraulic jacking system is used to carry out graded lifting, and then, it is transported by a flatbed truck. This process is divided into the following steps:
[0037] Step 1: Evenly arrange several hydraulic jacks 1 and several temporary protective supports 2 under the structure, and connect the synchronous oil pump and hydraulic jack 1 through oil pipes;
[0038] (1) According to the characteristics of the structure-deck piece 3, through calculation, determine the number of jacks 1 and the location of the jacks 1, as well as the number and location of the temporary protective supports 2, and place several hydraulic jacks 1 and temporary protective supports 2 According to the calculated structure, it is evenly arranged under the structure; then, the hydraulic jack 1 is connected and debugged with the synchronous ...
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