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Construction process for single-pile wind turbine foundation in intertidal zone

A construction technology and fan foundation technology, applied in foundation structure engineering, sheet pile walls, buildings, etc., can solve the problems of low construction efficiency, deep draft of ships, etc., and achieve the effect of reducing construction costs

Active Publication Date: 2011-09-14
JIANGSU LONGYUAN OFFSHORE WIND POWER GENERATION +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the conventional wind turbine foundation construction, the piling ship is equipped with a diesel hammer or a hydraulic hammer. The draft of the ship is relatively deep, and the construction efficiency is low in the intertidal zone.

Method used

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  • Construction process for single-pile wind turbine foundation in intertidal zone
  • Construction process for single-pile wind turbine foundation in intertidal zone
  • Construction process for single-pile wind turbine foundation in intertidal zone

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Embodiment Construction

[0038] In the following description, numerous specific details are given in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without one or more of these details. In other examples, some technical features known in the art are not described in order to avoid confusion with the present invention.

[0039] In order to provide a thorough understanding of the present invention, the detailed structure will be set forth in the following description. It is evident that the practice of the invention is not limited to specific details familiar to those skilled in the art. Preferred embodiments of the present invention are described in detail below, however, the present invention may have other embodiments besides these detailed descriptions.

[0040] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawi...

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Abstract

The invention discloses a construction process for a single-pile wind turbine foundation in an intertidal zone, which comprises the following steps of: hauling a locating ship, a transporting ship and a craning ship to an appointed place during high tide; anchoring and locating the craning ship; horizontally hoisting a foundation pile; staking the foundation pile; loading the foundation pile into a pile clamping device; adjusting the verticality of the foundation pile; naturally sinking the foundation pile; examining the verticality, wherein if the verticality does not meet the requirements, the natural sinking of the foundation pile is carried out again; releasing a hoisting point; hoisting a pile hammer and a pressure hammer; starting a hydraulic impact hammer power system; hammering with an impact hammer; examining the verticality, wherein if the verticality does not meet the requirements, the hammering of the impact hammer is adjusted; sinking the pile by impact; measuring an elevation and a penetration degree, wherein if the elevation and the penetration degree do not meet the requirements, the step of sinking the pile by impact is adjusted; stopping the hammer; and demounting the craning ship. The invention has the following advantages of solving the problems of short effective operation time and low construction work efficiency for the wind turbine foundation construction in the intertidal zone, and greatly reducing construction cost.

Description

technical field [0001] The invention relates to a construction technology of a wind turbine foundation, in particular to a construction technology of a single-pile wind turbine foundation in an intertidal zone. Background technique [0002] The intertidal zone is the area between the high and low tide levels of the spring tide, which is submerged and exposed as the tide rises and falls. According to preliminary estimates, the annual average wind speed in the intertidal zone can reach 67 m / s, so there is available wind energy in the intertidal zone. For intertidal wind power projects, it mainly involves the construction of the foundation of the wind turbine and how to install the wind turbine. [0003] For the wind turbine foundation construction process, there are currently two processes. One is the single pile fan foundation construction technology, and the other is the pile foundation construction technology. For the single-pile wind turbine foundation construction tech...

Claims

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Application Information

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IPC IPC(8): E02D27/44E02D27/32E02D7/00
Inventor 张钢高宏飙张乐平陈强李泽张海生
Owner JIANGSU LONGYUAN OFFSHORE WIND POWER GENERATION
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