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Guide pipe leg post forficate guide pipe rack foundation and construction method thereof

A construction method and jacket technology, applied in infrastructure engineering, construction, etc., can solve problems such as long construction period, project safety, great economic impact, and difficult construction, so as to simplify the construction process and make production fast and convenient , the effect of high degree of industrialization

Pending Publication Date: 2019-03-26
熊翱
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In more complicated waters, the previous construction method of using a special guide platform to drive piles, and then to install and fix the jacket requires too many on-site construction links on the water. The construction period is long and the construction is difficult, which has a greater impact on the safety and economy of the project. Big

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  • Guide pipe leg post forficate guide pipe rack foundation and construction method thereof
  • Guide pipe leg post forficate guide pipe rack foundation and construction method thereof
  • Guide pipe leg post forficate guide pipe rack foundation and construction method thereof

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Embodiment Construction

[0020] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. And the features in the embodiments can be combined with each other.

[0021] Such as figure 1 , 2 As shown in , 3, a jacket foundation with bifurcated conduit legs of the present invention includes a truss body 1 connected by a plurality of connecting rods 10 and a plurality of jacket legs 2, the top of the truss body 1 is provided with a foundation ring structure 11.

[0022] Wherein, the conduit leg column 2 includes a column body 21 and at least two bent sub-pillars 22 fixedly connected to the lower end of the column body, and a stressed pile sleeve 4 is fixed between the sub-pillars 22 , at the high water level of the jacket leg column 2 Auxiliary pile cover 3 is fixedly provided, and auxiliary pile cover 3 can also...

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Abstract

The invention discloses a guide pipe leg post forficate guide pipe rack foundation. The guide pipe leg post forficate guide pipe rack foundation comprises a truss body connected by multiple connectionrods and multiple guide pipe rack leg posts; a foundation ring structure is arranged on the top end of the truss body; each guide pipe leg post comprises a post body and at least two bending branch posts which are fixedly connected to the lower end of the post body; a stressed pile sleeve is fixedly arranged between every two adjacent branch posts; an auxiliary pile sleeve is fixedly arranged ata high-water-level part of each guide pipe rack leg post; and the stressed pile sleeves and the auxiliary pile sleeves are arranged in a staggered manner. During construction, the integral structure can be prefabricated in a factory, and then is hoisted to the seabed and leveled primarily; the guide pipe rack foundation is fixed temporarily by driving temporary piles; and then stressed piles are driven in, and are connected to pile sleeves through annular high-strength grouting, so that the stable foundation is formed. By adopting the self-supporting and piling guide pipe rack, construction difficulty in positioning, leveling, stabilizing and the like of the sea guide pipe rack is greatly lowered; a guiding rack is not needed; water construction procedures are simplified; construction is safe, and the construction cycle is shortened; economy is good; and the application range is wide.

Description

technical field [0001] The invention relates to the technical field of marine engineering jacket foundations, in particular to a jacket foundation for bifurcated conduit legs of marine engineering and a construction method thereof. Background technique [0002] Offshore wind power is booming. As offshore wind power becomes larger and larger, the water depth of the wind turbine location is getting bigger and bigger, the wind and wave conditions are getting worse and worse, and the geological conditions are becoming more and more complex, which makes it more difficult to control the positioning, leveling and fixing of the wind turbine jacket foundation. bigger and bigger. In more complicated waters, the previous construction method of using a special guide platform to drive piles, and then to install and fix the jacket requires too many on-site construction links on the water. The construction period is long and the construction is difficult, which has a greater impact on the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D27/42E02D27/12
CPCE02D27/42E02D27/12
Inventor 熊翱戚李侨潘晓亮廖土国
Owner 熊翱
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