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A construction technique for leveling and grouting foundations of polygonal fans in the intertidal zone

A technology of construction technology and fan foundation, applied in infrastructure engineering, construction, etc., can solve problems such as difficult to achieve, and achieve the effect of reducing construction costs and reducing the cost of a single unit

Active Publication Date: 2016-01-20
JIANGSU LONGYUAN OFFSHORE WIND POWER GENERATION
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Problems solved by technology

However, the current construction technology is difficult to achieve within the difference

Method used

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  • A construction technique for leveling and grouting foundations of polygonal fans in the intertidal zone

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Embodiment Construction

[0018] 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.

[0019] 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.

[0020] 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 leveling and grouting an intertidal zone polygonal bracket fan foundation. The construction process comprises the following steps of: sinking a foundation pile body into water; measuring the elevation of top faces of a plurality of foundation pile brackets; placing gaskets on the plurality of foundation pile brackets according to the elevation deviation of the top faces of the foundation pile brackets, and pre-leveling; sleeving a jacket casing outside the foundation pile body; and measuring the deviation of a flange level on the jacket casing, performing no regulation if the deviation is within 2mm, and placing a jack on the top face of the foundation pile body to jack the jacket casing so as to regulate the flange level to be within 2mm if the deviation exceeds 2mm. The construction process for leveling and grouting the intertidal zone polygonal bracket fan foundation, disclosed by the invention, has the following beneficial effects of realizing on high-precision leveling and grouting of an intertidal zone, greatly reducing the construction cost and reducing the cost on a single platform.

Description

technical field [0001] The invention relates to a construction process in the offshore wind power industry, in particular to a construction process for leveling and grouting the foundation of a multi-angle wind turbine 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 6-7 m / s, so there is available wind energy in the intertidal zone. For intertidal wind power projects, it mainly involves the construction of wind turbine foundations. [0003] Since the foundation of offshore wind turbines is at sea, many additional loads and uncertain factors are added, so the design is more complicated, and the structural forms are also diversified due to different sea conditions. There are three most commonly used fixed foundations for offsho...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D35/00
Inventor 张钢高宏飙陈强季晓强
Owner JIANGSU LONGYUAN OFFSHORE WIND POWER GENERATION
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