Reinforced concrete self-sinking umbrella-shaped mud flat wind power foundation and mounting method thereof

A technology for reinforced concrete and wind power foundations, applied in infrastructure engineering, soil protection, construction, etc., can solve the problems of poor shear strength and complexity of the foundation, increase construction volume and labor costs, etc., to improve bearing capacity and reduce construction Cost, the effect of reducing labor costs

Pending Publication Date: 2022-05-06
CHINA UNIV OF PETROLEUM (EAST CHINA)
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the coastal tidal flat areas are soft soil foundations, the foundation shear strength is poor, and the foundation alone is not enough to bear the external load. In addition, the foundation pit needs to be excavated during construction. This process is relatively complicated and huge. Increased construction volume and labor costs

Method used

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  • Reinforced concrete self-sinking umbrella-shaped mud flat wind power foundation and mounting method thereof
  • Reinforced concrete self-sinking umbrella-shaped mud flat wind power foundation and mounting method thereof
  • Reinforced concrete self-sinking umbrella-shaped mud flat wind power foundation and mounting method thereof

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Embodiment Construction

[0033] The implementation of the present invention will be described below in conjunction with construction methods and accompanying drawings by specific specific examples.

[0034] combine figure 1 , figure 2 and image 3 As shown, a reinforced concrete self-sinking umbrella type tidal flat wind power foundation includes 1. a tower, 2. a roof, 3. a main structure, 4. a connecting cylinder, 5. bolts.

[0035] A 2MW wind power foundation needs to be built in a coastal tidal flat area, the diameter of the tower (1) is 3m, and the maximum vertical load borne by the foundation is 2800kN. According to the calculation of the ultimate bearing capacity of the Terzaghi foundation, the main structure (3) with a diameter D of 10 m and a height h of 10 m can meet the vertical bearing capacity requirements.

[0036] Step 1: When the main structure (3) is prefabricated, a layer of 0.3m thick concrete is first poured into the mold, and the steel mesh is laid on the concrete, and then the...

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Abstract

The invention discloses a reinforced concrete self-sinking umbrella-shaped mud flat wind power foundation and a construction method thereof, the reinforced concrete self-sinking umbrella-shaped mud flat wind power foundation comprises a main body structure and a top plate, the main body structure is a hollow cone foundation made of reinforced concrete, and the main body structure is inversely arranged on the surface of a foundation during installation; a connecting cylinder connected with the tower is arranged in the main body structure and sinks into a foundation under the self-weight action of the upper tower and the fan; the top plate is a circular reinforced concrete plate and is laid on the surface of a foundation after the main body structure is stabilized in a self-sinking mode. And a gap between the top plate and the tower is filled by grouting. The invention further provides a construction method of the reinforced concrete self-sinking umbrella-shaped mud flat wind power foundation. The foundation is a novel foundation form suitable for the mudflat soft soil area, compared with a traditional gravity type foundation, the foundation has the advantages of being convenient to construct, low in manufacturing cost, high in bearing capacity and the like, and industrial upgrading of mudflat wind power is greatly promoted.

Description

technical field [0001] The invention relates to a coastal tidal flat wind power foundation, in particular to a reinforced concrete self-sinking umbrella type tidal flat wind power foundation and a construction method thereof. Background technique [0002] Today, with the increasing energy consumption, the output of traditional fossil energy such as coal, oil, and natural gas is gradually unable to meet people's production and living needs. Therefore, the development of clean and renewable energy has become a global consensus. Wind energy is regarded as one of the new energy sources with the most economic effect and development potential, and has been vigorously promoted in recent years. my country has a vast territory and a long coastline. Among them, the coastal intertidal zone is rich in wind resources, and compared with offshore wind power, it has the advantages of low construction cost, easy construction and maintenance, and is regarded as the first choice for wind farm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D27/42E02D27/44E02D3/00
CPCE02D27/42E02D27/44E02D3/00
Inventor 梁昊李大勇王召龙吴宇旗
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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