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Lattice pile type foundation structure of offshore wind driven generator

A technology for wind turbines and infrastructure, applied in infrastructure engineering, sheet pile walls, buildings, etc., can solve problems such as failure to find a foundation treatment form, lack of experience in offshore wind farm construction, etc., and achieve easy control and solution of pile quality. The effect of high installation accuracy and small structural loading surface

Active Publication Date: 2013-10-16
POWERCHINA HUADONG ENG COPORATION LTD
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AI Technical Summary

Problems solved by technology

Due to the lack of experience in the construction of offshore wind farms, a cheap and reliable form of foundation treatment has not yet been found

Method used

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  • Lattice pile type foundation structure of offshore wind driven generator
  • Lattice pile type foundation structure of offshore wind driven generator

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Experimental program
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Effect test

Embodiment Construction

[0018] Such as figure 1 , figure 2 As shown, the foundation of the wind turbine in this embodiment includes 5 (generally 3 to 8) lattice piles 2 arranged obliquely or vertically on the periphery, the lower ends of which go deep into the bearing layer below the seabed to obtain better stability. A cap 1 is connected to the top of the lattice pile 2 . The pile length of the lattice pile needs to be determined according to the geological conditions of the wind turbine foundation and the size of the wind turbine. The lattice pile is processed and manufactured in the factory as a whole, and the pile is driven by a piling ship after being transported to the site.

[0019] The lattice pile 2 generally includes 3 to 4 side-supported steel pipe piles 2-9 arranged in a polygonal (triangular or quadrangular) shape. In this example, 3 side-supported steel pipe piles are used, and each side-supported steel pipe pile is supported by I(2-10) are interconnected to form a whole. In order t...

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Abstract

The invention relates to a lattice pile type foundation structure of an offshore wind driven generator, aiming at providing a foundation structure type of the wind driven generator, which is suitable for a sea area with a water depth range of 0-40m, can effectively resist seawater corrosion, and has the advantages of better bending rigidity, low cost, reliability and convenience for construction.The technical scheme of the invention is as follows: the lattice pile type foundation structure of the offshore wind driven generator is characterized by comprising 3-8 lattice piles aslant or vertically arranged at the periphery, wherein the lower ends of the lattice piles extend into a bearing stratum below a seabed, and a bearing platform is connected to the tops of the lattice piles. The invention is suitable for the technical field of civil engineering in the offshore wind driven generation industry, and is mainly used in the sea area with the water depth range of the 0-40m.

Description

technical field [0001] The invention relates to a foundation structure of a lattice pile type offshore wind power generator, which belongs to the technical field of civil engineering in the offshore wind power generation industry and is mainly used in sea areas with a water depth of 0-40m. Background technique [0002] In my country, the wind power industry is a new industry. Since the 1980s, my country has introduced foreign technology and gradually built wind power plants in China. After 2000, the domestic wind power industry has developed rapidly due to the country's encouragement of the development and utilization of renewable energy. [0003] So far, my country has built a large number of onshore wind farms in Inner Mongolia, Xinjiang, Hebei and the eastern coastal areas. However, with the large-scale development of the wind power industry, problems such as shortage of land resources and conflicts with other local industries have gradually emerged. my country has a lon...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D27/12E02D5/72E02D27/14E02D27/52E02D27/44
Inventor 陈德春孙杏建赵生校贾献林俞华锋冯卫江罗金平姜贞强
Owner POWERCHINA HUADONG ENG COPORATION LTD