Internal inserting type offshore wind power jacket foundation with pile stabilization sleeve pipes and construction method
A technology for offshore wind power and jackets, applied in infrastructure engineering, construction, etc., can solve the problems of high cost and high construction difficulty, and achieve the effects of ensuring the accuracy of pile driving, reducing construction difficulty and construction cost, and ensuring reliability
Pending Publication Date: 2019-03-15
CCCC SANHANG SHANGHAI NEW ENERGY ENG CO LTD
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Problems solved by technology
[0008] Among them, the construction of the interpolated jacket foundation adopts the underwater pile sinking first, so engineering measures must be taken to ensure the relative position accuracy of the steel pipe pile underwater sinking piles, the construction is difficult and expensive
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[0037] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.
[0038] In this example, aiming at the defects existing in the structure and construction scheme of the existing interpolated jacket or outer jacket jacket, an interpolated offshore wind power deep-water jacket foundation with its own pile stabilizing sleeve is designed. The structure guarantees the reliability of the entire jacket foundation, and at the same time realizes post-pile construction based on the built-in pile stabilization casing, ensures the accuracy of steel pipe pile driving, and greatly reduces construction difficulty and construction cost.
[0039] see image 3 , which shows an example of the interpolated offshore wind power deepwater jacket foundation with its own pile stabilization sleeve given in this example.
[0040] It ca...
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The invention discloses an internal inserting type offshore wind power jacket foundation with pile stabilization sleeve pipes and a construction method. In the whole scheme, the foundation is formed by a jacket body, the multiple pile stabilization sleeve pipes and multiple supporting legs in a cooperation manner. The multiple supporting legs are vertically arranged at the bottom end of the jacketbody. The multiple pile stabilization sleeve pipes are arranged on the jacket body, and the multiple pile stabilization sleeve pipes and the multiple supporting legs are located on the same circumference. According to the scheme of the offshore wind power deepwater jacket foundation, the internal inserting type is adopted, and reliability of the jacket foundation is guaranteed; and meanwhile, thepile stabilization sleeve pipes are arranged, a rear pile method is innovatively adopted for construction, the pile sinking precision of steel pipe piles is guaranteed, and the construction difficulty and the construction cost are reduced.
Description
technical field [0001] The invention relates to offshore wind farm technology, in particular to offshore wind power jacket technology. Background technique [0002] Under the general situation of energy conservation and emission reduction, response to climate change, energy shortage, and energy supply security, offshore wind resources, as a kind of green energy, have the advantages of stable wind resources and easy large-scale development, and are currently being used on a large scale in my country. . [0003] At present, the offshore wind farms that have been built in China are all offshore wind farms, and the water depth is generally less than 10m. The supporting structure types are mainly high pile cap foundations and single pile foundations. With the development of offshore wind farms, the offshore distance and water depth of wind farms are increasing, and the traditional offshore infrastructure types are difficult to meet the requirements of deep sea wind energy develop...
Claims
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IPC IPC(8): E02D27/42
CPCE02D27/425
Inventor 张成芹陆梅兴乌建中刘璐王俊杰黄艳红刘玉霞龚权华赵黎明
Owner CCCC SANHANG SHANGHAI NEW ENERGY ENG CO LTD