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A floatable foundation and its construction method

A foundation and floating technology, applied in the field of floating foundation and its construction, can solve the problem of high cost and achieve the effect of low comprehensive cost, simple construction and low construction cost

Active Publication Date: 2011-12-14
JLANGSU DAODA OFFSHORE WIND CONSTR TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned foundations are expensive to construct in sea areas, especially for the construction equipment of floating foundations.

Method used

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  • A floatable foundation and its construction method
  • A floatable foundation and its construction method
  • A floatable foundation and its construction method

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Embodiment Construction

[0022] In order to further understand the content of the invention, features and effects of the present invention, the following embodiments are exemplified and described in detail with the accompanying drawings as follows:

[0023] see Figure 7 , a floating foundation for offshore wind turbines, including a mooring anchor system and a back-shaped hollow closed steel foundation pontoon 5; Anchor chain 2; A back-shaped hollow airtight steel foundation floating box 5 is 50m long, 50m wide and 10m high, with a hollow size of 30m×30m, and a cross brace 9 is welded, and a circular fan 11 tower is arranged in the center of the cross brace 9 The installation platform 10, the diameter of the installation platform 10 is 8m, and the cross brace 9 is welded with square steel with a cross-section of 50cm×50cm. The four corners of the foundation pontoon are respectively provided with an anchor chain passage 7 with a diameter of 15 cm, and an anchor chain fixing device 12 and a water pass...

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Abstract

The invention discloses a floating foundation which comprises an anchor tying system, wherein the anchor tying system comprises an anchor body and an anchor chain connected to the anchor body; a concentric-circle-liked hollow closed steel foundation buoyancy tank is connected to the anchor chain, and the center of the foundation buoyancy tank is provided with an installation platform; a water passing loop, an anchor chain passage and an anchor chain fixing device are arranged on the foundation buoyancy tank; and the anchor chain passes through the anchor chain passage and is connected with the anchor chain fixing device. The invention also discloses a construction method of the floating foundation. According to the invention, the foundation buoyancy tank can be simply and conveniently located in water, thus equipment is convenient for installation and the floating foundation is avoided from being influenced by water waves. The floating foundation has the advantages of simpleness and rapidness in construction, less quantity of required construction equipment, no need of special floating foundation construction equipment and integral prefabrication, integrated transportation, low construction cost and low comprehensive construction cost.

Description

technical field [0001] The invention relates to a floating foundation and a construction method thereof, in particular to a floating foundation and a construction method thereof. Background technique [0002] At present, in offshore wind power engineering, the foundation usually includes: Mono-pile, Tripod, Jacket, Gravity based, Suction Bucket and floating Platform structure (Floating type) and so on. These foundations usually need to be installed on site or prefabricated as a whole, transported as a whole, and then the installation of the wind turbine is carried out after the foundation construction is completed. The construction cost of the above-mentioned foundations in sea areas is relatively high, especially for the construction equipment of floating foundations. SUMMARY OF THE INVENTION [0003] In order to solve the technical problems existing in the known technology, the present invention provides a floating foundation and a construction method thereof, which ca...

Claims

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Application Information

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IPC IPC(8): E02D27/52B63B35/44
Inventor 丁红岩张浦阳练继建
Owner JLANGSU DAODA OFFSHORE WIND CONSTR TECH
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