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Offshore wind power multi-pile foundation

A technology for offshore wind power and pile foundations, which is applied in infrastructure engineering, construction, etc., and can solve problems such as large maintenance costs and workload, and poor integrity of riprap protection

Inactive Publication Date: 2021-11-30
HUANENG CLEAN ENERGY RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the integrity of riprap protection is poor, and the maintenance cost and workload in the application process are relatively large.

Method used

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  • Offshore wind power multi-pile foundation
  • Offshore wind power multi-pile foundation

Examples

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Embodiment Construction

[0027] Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0028] The following is based on Figure 1-7 The offshore wind power multi-pile foundation 1 according to the embodiment of the present invention is described. The offshore wind power multi-pile foundation 1 according to the embodiment of the present invention includes a plurality of pile foundations 1 , a platform 2 and a sleeve 3 .

[0029] A plurality of pile foundations 1 are arranged at intervals, the platform 2 is located on the top of the plurality of pile foundations 1 and connected to the top of each pile foundation 1, and each pile foundation 1 includes a first part 14 and a second part connected to each other in its axial direction. Part 15, the secon...

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Abstract

The invention discloses an offshore wind power multi-pile foundation. The offshore wind power multi-pile foundation comprises a plurality of pile foundations, a platform and a sleeve, the multiple pile foundations are arranged at intervals, the platform is located on the multiple pile foundations, each pile foundation comprises a first part and a second part which are connected with each other in the axial direction of the pile foundation. The second part is embedded in a seabed, the seabed is provided with a seabed surface, the first part is located above the seabed surface, the multiple pile foundations comprise first pile foundations right facing the tidal current direction and second pile foundations back to the tidal current direction, and outwards-protruding turbulent flow pieces are arranged on the peripheral face of the sleeve, and / or a through hole is formed in the peripheral wall of the sleeve, the sleeve comprises a first sleeve and a second sleeve, the first sleeve is arranged on the first part of a first pile foundation in a sleeving mode, and the second sleeve is arranged on the first part of a second pile foundation in the sleeving mode. The offshore wind power multi-pile foundation has good anti-scouring performance and stability.

Description

technical field [0001] The invention relates to the field of offshore wind power, in particular to a multi-pile foundation for offshore wind power. Background technique [0002] As a clean and harmless renewable energy, wind energy has been paid more and more attention by human beings. Among them, compared with land wind energy, offshore wind energy resources not only have higher wind speeds, but also are farther away from the coastline, and are not affected by noise limits, allowing larger unit manufacturing. [0003] The offshore wind power foundation is the key to supporting the entire offshore wind turbine, and the cost accounts for about 20% to 25% of the entire offshore wind power investment. However, most accidents in offshore wind turbines are caused by unstable pile foundations. Due to the action of waves and tidal currents, the sediment around the offshore wind power pile foundation will be scoured and form scour pits, which will have an impact on the stability of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D27/52E02D27/12E02D27/44
CPCE02D27/52E02D27/12E02D27/44Y02E10/727Y02E10/72
Inventor 邱旭刘鑫张波
Owner HUANENG CLEAN ENERGY RES INST
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