Offshore wind power composite cylinder-type basic washing-prevention device

A cylindrical foundation and offshore wind power technology, applied in protection devices, infrastructure engineering, construction, etc., can solve problems such as instability, large amount of rock dumping, failure of anti-scouring measures, etc., to achieve cost saving, convenient construction and installation, and energy saving The effect of stone consumption

Pending Publication Date: 2019-03-29
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the common anti-scouring method is riprap protection, and the amount of riprap is large, and the riprap is easy to move and unstable under the long-term action of water flow, which may cause the anti-scouring measures to fail

Method used

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  • Offshore wind power composite cylinder-type basic washing-prevention device
  • Offshore wind power composite cylinder-type basic washing-prevention device

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Embodiment Construction

[0011] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0012] This embodiment describes an anti-scouring device for a composite cylindrical foundation for offshore wind power, which consists of a tube skirt 1, a reinforced concrete top cover 2, a sand quilt 3, and a sand pillow 4; the tube skirt 1 is inserted into the seabed, and the reinforced concrete top cover 2 is connected to the seabed The surface is in close contact, the height of the tube skirt is 10m, and the thickness is 25mm; the diameter of the concrete roof is 30m, and the thickness is 0.6m;

[0013] The sand quilt 3 has a trapezoidal shape, and its top and bottom sides are respectively connected to the sand pillow 4, and the length of the sand pillow 4 is as long as the top ...

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PUM

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Abstract

The invention discloses an offshore wind power composite cylinder-type basic washing-prevention device. The device is composed of a cylinder skirt, a top cover, a sand quilt and sand pillows; the cylinder skirt is inserted in the seabed, and the top cover makes close contact with the seabed surface; the sand quilt is in a trapezoid shape, and the sand pillows with the same length are respectivelyand correspondingly connected with the top and bottom sides of the sand quilt; the sand quilt and the sand pillows form a trapezoid combination structure; the top cover made from reinforced concrete is taken as the center, and the trapezoid combination structure forms 2-10 circles; the sand pillow of the top side of the trapezoid combination structure of the first circle is placed on the top covermade from reinforced concrete, and the trapezoid combination structure is annually and uniformly placed to form 360 degrees; the sand pillow of the top side of the trapezoid combination structure ofthe second circle is placed on the inner side of the sand pillow of the bottom side of the trapezoid combination structure of the first circle to from lap joint, the trapezoid combination structure ofthe second circle is annularly and uniformly arranged to form 360 degrees; the trapezoid combination structure of 3-10 circles is arranged in the above-mentioned mode to cover the surrounding portionof the top cover made from reinforced concrete.

Description

technical field [0001] The invention relates to the technical field of offshore wind power engineering, in particular to an anti-scouring device for a composite cylindrical foundation of offshore wind power. Background technique [0002] Driven by many factors such as energy security and climate change, global wind power has developed rapidly. The development of offshore wind power in China is also closely following the trend of the world, and a series of offshore wind power projects in my country's offshore are in full swing. A considerable part of these offshore wind farms are built in the ocean circulation zone or the intertidal zone, and are obviously affected by the one-way current or tidal current. Under the action of ocean currents, the scour around the wind power foundation will affect the stability of the wind turbine structure. [0003] As a new type of wide and shallow offshore wind power foundation, the composite cylindrical foundation has the advantages of str...

Claims

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Application Information

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IPC IPC(8): E02D27/52E02D31/00
CPCE02D27/52E02D31/00
Inventor 练继建王海军余洪晨
Owner TIANJIN UNIV
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