Replacement and repair process of pile top flange of single pile foundation
A single-pile foundation and flange technology, which is applied in the repair of infrastructure, infrastructure engineering, construction, etc., can solve the problems of poor welding quality, difficulty in replacement and repair work, and affect the welding accuracy of flanges, so as to ensure the firmness of the connection. , Avoid air convection and ensure the effect of welding quality
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[0070] The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.
[0071] like figure 1 It shows a single pile foundation pile top flange replacement and repair process, the specific steps are as follows:
[0072] A. Remove the original flange:
[0073] a. First lift the cage of the single pile foundation, use the pile driving and stabilizing platform device to tighten the pile body, adjust the pile driving and stabilizing platform device, so that the height of the pile driving and stabilizing platform device is 1200mm-1500mm below the top flange of the pile, and then drive the pile The gap between the pile stabilization platform device and the single pile foundation pile body is filled by erecting scaffolding;
[0074] b. Set up a yurt 2 above the pile driving and stabilizing pl...
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