Bridge caisson composite pile foundation and reverse construction method thereof
A construction method and technology of composite piles, applied in caissons, foundation structure engineering, construction, etc., can solve problems such as difficulty in adapting, high foundation engineering costs, conservative pile foundations, etc., and achieve the effect of reducing costs
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[0024] This embodiment is used to explain the technical solution of the present invention, and the protection scope of the present invention is not limited to the construction steps and corresponding structures described in the following example.
[0025] Inverse construction of bridge caisson composite pile foundation:
[0026] Basic dredging:
[0027] The dredger 12 carries out the dredging and excavation of the foundation, excavates the foundation groove 13 where the caisson sinks, and the bed surface is basically flat (the height difference within 2 meters is acceptable) (attached Picture 1-1 );
[0028] Caisson sinking bed:
[0029] The caisson 14 is prefabricated as a whole on land and entered into the water, floated to the site, and the anchorage system 15 is used to locate the anchorage of the caisson. The internal clearance height of the caisson is not less than 5 meters. The compartments with separate internal structures, the compartment bulkheads 4 are provided ...
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