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Erosion protection processing method for offshore wind turbine foundation

An offshore wind turbine and processing method technology, applied in infrastructure engineering, protection devices, buildings, etc., can solve the problems of difficulty in re-maintenance and high cost, and achieve the effect of good anti-scour effect, increased cost, and reduced maintenance cost in the later period.

Inactive Publication Date: 2010-11-24
BAOSTEEL ENG & TECH GRP
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Problems solved by technology

Since the concrete is much stiffer than the seabed surface after solidification, it still scours the sediment on the seabed. To ensure that the scour does not develop into the wind turbine foundation within the service life, it is necessary to spray concrete in a large area around the wind turbine foundation. , the cost is more expensive, and it is more difficult to maintain later

Method used

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  • Erosion protection processing method for offshore wind turbine foundation
  • Erosion protection processing method for offshore wind turbine foundation
  • Erosion protection processing method for offshore wind turbine foundation

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Embodiment Construction

[0026] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0027] see figure 1 with figure 2 , the present invention provides an anti-scouring treatment method for offshore wind turbine foundations, which is used to reinforce the foundation of offshore wind turbines, comprising the following steps:

[0028] (1) Lay coverings on the seabed around the offshore wind turbine foundation or piles.

[0029] (2) Place a heavy object on the covering.

[0030] The covering is at least one of geogrid, geotextile or flexible pad.

[0031] The weight in the step (2) is at least one of graded stones or sandbags.

[0032] Such as figure 2 As shown in , the geogrid 3 is a soft grid structure, and the edges of the grid naturally droop and are perpendicular to the scoured surface, forming an umbrella-shaped protective net.

[0033] The anti-scouring treatment method for offshore wind turbine foundation of the present i...

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Abstract

The invention relates to an erosion protection processing method for an offshore wind turbine foundation, which is used for reinforcing the offshore wind turbine foundation. The method comprises the following steps: (1) paving a covering on a seabed around the foundation; and (2) placing weights on the covering, wherein the covering is at least one of a geogrid, geotextile or a flexible pad. The erosion protection processing method for the offshore wind turbine foundation has the following advantages: a good erosion protection effect is ensured; good economic benefits are achieved, because only the cost of the geogrid is increased, but the later maintenance cost is greatly lowered; and the later maintenance is so convenient that only an amount of riprap needs to be additionally arranged according to monitoring conditions when the mud elevation changes a lot.

Description

technical field [0001] The invention relates to an anti-scouring treatment method for infrastructure, in particular to an anti-scour treatment method for offshore wind turbine foundations. Background technique [0002] Wind power is the fastest growing green energy technology in the world. With the rapid development of onshore wind farm construction, people have noticed some restrictions on the utilization of onshore wind energy, such as large land occupation and noise pollution. [0003] Offshore wind resources are abundant, and offshore wind power generation is less restricted by problems such as noise, bird impact, and electromagnetic wave interference. The establishment of a very high support tower can reduce the cost of offshore wind turbines; the intensity of sea turbulence is low, the sea level friction is small, the fatigue load acting on the wind turbines is reduced, and the service life of wind turbines can be extended. Due to the above advantages, the ocean will ...

Claims

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Application Information

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IPC IPC(8): E02D27/44E02D31/00
Inventor 陈炯孙绪东李先林路志浩
Owner BAOSTEEL ENG & TECH GRP
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