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Offshore wind turbine foundation integrating concrete caisson and jacket

An offshore wind turbine and concrete technology, which can be used in infrastructure engineering, construction, artificial islands, etc., can solve the problems of inconvenient construction, increased construction cost, and difficult operation.

Active Publication Date: 2013-12-25
GUANGDONG MINGYANG WIND POWER IND GRP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the seabed conditions do not allow piling, or when it is difficult to pierce, only the gravity foundation can be selected, and when the water is deep and the load of the wind turbine is large, in view of the weight of the gravity foundation, the current ship's transportation capacity and other factors, the gravity Type foundation will not be able to meet the requirements of this construction method, the operation is quite difficult, inconvenient for construction, and the construction cost will increase at the same time

Method used

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  • Offshore wind turbine foundation integrating concrete caisson and jacket
  • Offshore wind turbine foundation integrating concrete caisson and jacket
  • Offshore wind turbine foundation integrating concrete caisson and jacket

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Embodiment Construction

[0019] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0020] The invention relates to an offshore fan foundation combining a concrete caisson and a jacket, comprising a concrete caisson main body 1, a plurality of installation connection holes 2 are arranged on the concrete caisson main body 1, and pile legs 3 are fixedly fitted and connected to the installation connection holes 2 , the lower end of the leg 3 is provided with a vertical section 15 for matching with the installation connection hole 2, the upper end of the leg 3 is provided with a connecting platform 4, and the connecting platform 4 is provided with a The tower connection section 5, the upper end of the tower connection section 5 is inclined downwards with a reinforced support rod 6, and the other end of the reinforced support rod 6 is connected to the connection platform 4 to ensure the connection reliability of the tower connection section...

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Abstract

The invention discloses an offshore wind turbine foundation integrating a concrete caisson and a jacket, which is mainly applied to hard rock stratum seabed foundations with higher carrying capabilities. A concrete caisson main body in which a filling cavity with an upward opening is formed is adopted; the concrete caisson main body is provided with installation connecting holes fixedly connected with pile legs; after the concrete caisson main body is placed onto a pretreated seabed, sand and stones are filled into the filling cavity to increase the weight of the concrete caisson main body, so that an offshore wind turbine is effectively prevented from being overturned, and meanwhile, convenience is brought to transportation and hoisting of the concrete caisson main body; the offshore wind turbine foundation has the characteristics of convenience in constructing and low cost.

Description

【Technical field】 [0001] The invention relates to an offshore wind turbine foundation combined with a concrete caisson and jacket. 【Background technique】 [0002] With the rapid development of the wind power industry, onshore wind farms are becoming increasingly saturated. Due to the vast domestic sea area and abundant offshore wind resources, it is imperative to seize the offshore wind power market. [0003] The foundation structures currently used in offshore wind turbines mainly include single-pile steel pipe foundations, gravity foundations, and multi-pile jacket foundations. Among these three foundation structures, except the gravity foundation, the other two foundation structures need to be piled on the seabed in advance. However, when the seabed conditions do not allow piling, or when it is difficult to pierce, only the gravity foundation can be selected, and when the water is deep and the load of the wind turbine is large, in view of the weight of the gravity founda...

Claims

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Application Information

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IPC IPC(8): E02D27/42E02D27/44
CPCE02B17/027E02B2017/0069
Inventor 朱荣华张康张美阳孙香
Owner GUANGDONG MINGYANG WIND POWER IND GRP CO LTD
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