Anchor rod gravity type offshore wind power foundation and construction method thereof
A technology for offshore wind power and anchor construction, which is applied in infrastructure engineering, construction, etc., can solve problems such as economical and applicable water depth restrictions, and achieve the effects of improving overall construction efficiency, improving construction efficiency, and reducing construction difficulty.
Pending Publication Date: 2019-08-09
CCCC SHANGHAI HARBOR ENG DESIGN & RES INST +2
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Problems solved by technology
[0002] Due to its simple structure, good stability and high reliability, the gravity type offshore wind power foundation is one of the main foundation forms of offshore wind turbines at present. The traditional gravity type offshore wind power foundation only relies on itself and the weight of the filler to resist external loads, and the foundation volume and The weight increases rapidly with the increase of water depth, which limits its economical applicable water depth
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[0032] The idea, specific structure and technical effects of the present application will be further described below in conjunction with the accompanying drawings, so as to fully understand the purpose, features and effects of the present application.
[0033] Such as figure 1 and figure 2 As shown, the anchor gravity type offshore wind power foundation in this embodiment includes: a central reinforced concrete cylinder 2, a ballast compartment structure 3, an anchor system and a detachable anchor construction platform 16; the ballast compartment structure 3 Set on the bottom of the central reinforced concrete cylinder 2, and the ballast compartment structure 3 is reserved with an anchor hole 11; the anchor construction platform 16 passes through the top of the central reinforced concrete cylinder 2 and the cylinder wall The embedded parts are supported and fixed, and the anchor construction platform 16 is prefabricated with a positioning hole 12, wherein the positioning hol...
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The invention discloses an anchor rod gravity type offshore wind power foundation and a construction method thereof. The anchor rod gravity type offshore wind power foundation comprises a central reinforced concrete cylinder, a ballast compartment structure, an anchor rod system, and an anchor rod construction platform; the ballast compartment structure is arranged at the bottom of the central reinforced concrete cylinder in a sleeving mode, and an anchor rod hole is reserved in the ballast compartment structure; the anchor rod construction platform is supported and fixed through the top of the central reinforced concrete cylinder and an embedded part on a cylinder wall, and a positioning hole is prefabricated in the anchor rod construction platform. The construction method of the anchor rod gravity type offshore wind power foundation comprises the steps that the central reinforced concrete cylinder, the ballast compartment structure, and the anchor rod construction platform are prefabricated; preparatory works such as excavation of a foundation bed are conducted; the structure is transferred to a project site to complete foundation sinking in place; the anchor rod construction platform is mounted, and anchor beam construction is conducted; the anchor rod construction platform is dismantled; and an erosion protection protective structure and an auxiliary structure are mounted.According to the anchor rod gravity type offshore wind power foundation and the construction method thereof, the advantages of a gravity type foundation and an anchor rod force system are combined, precompression applied to the gravity type foundation by the anchor rod beam is used, and the scale of the gravity type foundation can be effectively controlled.
Description
technical field [0001] The application belongs to the technical field of offshore wind power foundations, and in particular relates to a bolt gravity type offshore wind power foundation and a construction method thereof. Background technique [0002] Due to its simple structure, good stability and high reliability, the gravity type offshore wind power foundation is one of the main foundation forms of offshore wind turbines at present. The traditional gravity type offshore wind power foundation only relies on itself and the weight of the filler to resist external loads, and the foundation volume and The weight increases rapidly with the increase of water depth, which limits its economical applicable water depth. The anchor gravity foundation combines the advantages of the gravity foundation and the anchor stress system. Using the anchor to exert preload on the gravity foundation can effectively control the gravity foundation scale and expand its application range. Contents ...
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IPC IPC(8): E02D27/42E02D27/52
CPCE02D27/425E02D27/52E02D2250/0046
Inventor 黄勇李静晖王海燕王炜霞朱雯陈果
Owner CCCC SHANGHAI HARBOR ENG DESIGN & RES INST