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Offshore wind power barrel type foundation structure with pile piers

A basic structure and wind power tube technology, applied in the field of cylindrical basic structure, can solve the problems of increased wind power development cost and increased difficulty of entry into the soil, and achieve the effect of simple cylindrical basic structure, reduced development cost, and convenient construction

Pending Publication Date: 2022-05-20
TIANJIN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, with the continuous increase of the capacity of offshore wind turbines and the expansion of wind farms into the deep sea, the conventional tubular foundation structure also needs to increase the foundation stability by increasing the he

Method used

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  • Offshore wind power barrel type foundation structure with pile piers
  • Offshore wind power barrel type foundation structure with pile piers
  • Offshore wind power barrel type foundation structure with pile piers

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Embodiment Construction

[0013] The present invention will be further described below in conjunction with the accompanying drawings.

[0014] Such as Figure 1-2 As shown, an offshore wind turbine foundation structure with pile piers is composed of a tube skirt 1 , casing 2 , compartment plate 3 , superstructure 4 , steel piles 5 and cement piers 6 . The tube skirt 1 is cylindrical, with a height of 8m and a diameter of 30m. The arc surface of the cylinder is divided into six equal parts by six casings 2, and the inner diameter of the casing is 2m. 3. There are 12 sub-compartment plates in total, among which six sub-compartment plates form a regular hexagon, and the remaining six sub-compartment plates connect the six corners of the regular hexagon formed with the casing 2; The top of the tube skirt is provided with a superstructure 4, including a top cover, a transition section and a fan; the steel pile 5 is cylindrical, and there are six pieces in total, the length is set to 18m, and the outer diam...

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Abstract

The invention discloses an offshore wind power barrel type foundation structure with pile piers. A cylindrical skirt is cylindrical, six sleeves are uniformly mounted on the cylindrical peripheral surface of the cylindrical skirt to equally divide the peripheral surface into six cambered surfaces, twelve bin dividing plates with the same height as the cylindrical skirt are arranged in the cylindrical skirt, six of the bin dividing plates define a regular hexagon and are placed in the center of the cylindrical skirt, and the six sleeves are arranged in the regular hexagon. Six corners of the enclosed regular hexagon are respectively connected with the corresponding sleeves by the other six bin separating plates; an upper structure is arranged at the top of the barrel skirt and comprises a top cover, a transition section and a fan, the bottom of the transition section is mounted at the top of the barrel skirt, and the top cover is mounted at the top of the transition section; the six steel piles are cylindrical, the outer diameter of each steel pile is smaller than the inner diameter of the corresponding sleeve, grouting holes are formed in the steel piles, and cement paste is poured at the bottoms of the steel piles through the grouting holes in the steel piles to form cement piers. The cylindrical foundation is simple in structure, convenient to construct and wide in application prospect.

Description

technical field [0001] The invention relates to the field of offshore technical equipment, and is a cylindrical foundation structure suitable for large-capacity offshore wind power. Background technique [0002] In recent years, under the background of carbon peaking and carbon neutrality, the development speed of my country's offshore wind power has been significantly accelerated, and the cylindrical foundation structure has been used more and more in the wind turbine foundation structure. However, with the continuous increase of the capacity of offshore wind turbines and the expansion of wind farms into the deep sea, the conventional tubular foundation structure also needs to increase the foundation stability by increasing the height of the tube skirt and the thickness of the tube wall. The method not only greatly increases the cost of wind power development, but also makes it more difficult for the foundation to sink into the soil if the tube skirt is designed too high. ...

Claims

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Application Information

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IPC IPC(8): E02D27/42E02D27/52F03D13/20F03D13/25
CPCE02D27/425E02D27/525F03D13/22F03D13/25Y02E10/727
Inventor 练继建王孝群黎慧珊
Owner TIANJIN UNIV
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