Anti-erosion protection device for offshore wind power pile foundation and installation method

A protection device and offshore wind power technology, applied in protection devices, infrastructure engineering, construction, etc., can solve problems such as unsatisfactory anti-scouring effect, short underwater operation time of divers, and damage to anti-corrosion paint of steel pipe piles, etc., to achieve The effect of shortening the waiting time of ships, reducing the risk of underwater operations, and reducing construction costs

Pending Publication Date: 2020-03-17
ZHEJIANG UNIV
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  • Summary
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AI Technical Summary

Problems solved by technology

Rock riprap protection is used. Since there is no riprap boat dedicated to anti-scouring protection in China (with DP function and a dedicated stone placement machine), it is difficult to lay stones evenly and prevent scouring by using riprap protection. The effect is not very ideal
Moreover, in the process of throwing stones, due to the influence of waves and ocean currents, the...

Method used

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  • Anti-erosion protection device for offshore wind power pile foundation and installation method
  • Anti-erosion protection device for offshore wind power pile foundation and installation method

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Embodiment Construction

[0025] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, and do not limit the protection scope of the present invention.

[0026] The anti-scouring protection device 1 for offshore wind power pile foundations provided by the present invention includes a snap ring 11 and a corrosion-resistant curtain 12 arranged on the outer periphery of the snap ring 11. Ballasts 14 are arranged at intervals on the corrosion-resistant curtain 12. The ballasts 14 include the first A ballast and a second ballast, a corrosion-resistant curtain 12 is provided with a seaweed-like material 13 .

[0027] Wherein, the radial direction of the first ballast is the same as that of the snap ring 11 and is arranged along...

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Abstract

The invention discloses an anti-erosion protection device for an offshore wind power pile foundation. The anti-erosion protection device comprises a clamp ring and an anti-corrosion curtain arranged on the periphery of the clamp ring, wherein first ballasts and second ballasts are arranged on the anti-corrosion curtain at intervals, the directions of the first ballasts are as same as the radial direction of the clamp ring, the directions of the second ballasts are as same as the circumference direction of the clamp ring, and the anti-corrosion curtain is provided with sea grass-shaped materials. The invention further discloses an installation method of the anti-erosion protection device for the offshore wind power pile foundation. According to the provided anti-erosion device, the overallprotection effect can be achieved, and the anti-erosion effect is guaranteed; and the provided installation method can effectively save the installation time.

Description

technical field [0001] The invention belongs to the technical field of offshore wind power engineering, and in particular relates to an anti-scouring protection device and an installation method for offshore wind power pile foundations. Background technique [0002] The pile foundation of offshore wind power is the key to supporting the entire offshore wind turbine, and the cost is about 14% of the entire offshore wind power installation. However, the accidents of offshore wind turbines are mostly caused by the instability of the pile foundation. Due to the action of waves and tidal currents, the sediment around the offshore wind power pile foundation will be scoured to form scour pits, which will have an impact on the stability of the pile foundation. In addition, the water flow mixed with sediment near the seabed surface continuously scours the pile foundation, corrodes and damages the surface of the pile foundation, and in serious cases, it will cause the open collapse of...

Claims

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Application Information

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IPC IPC(8): E02D31/06E02D27/12E02D27/42
CPCE02D27/12E02D27/425E02D31/06
Inventor 朱嵘华刘寒秋
Owner ZHEJIANG UNIV
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