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Offshore wind turbine double-shell single-pile foundation and mounting method thereof

A technology for offshore wind turbines and monopile foundations, which is used in infrastructure engineering, sheet pile walls, buildings, etc. to reduce weight, improve economy, and avoid resonance.

Pending Publication Date: 2022-01-28
GUANGDONG MINGYANG WIND POWER IND GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the deficiencies in the design and construction of the existing single-pile foundation, and propose a double-hull single-pile foundation for offshore wind turbines suitable for deeper water depths and its installation method

Method used

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  • Offshore wind turbine double-shell single-pile foundation and mounting method thereof
  • Offshore wind turbine double-shell single-pile foundation and mounting method thereof
  • Offshore wind turbine double-shell single-pile foundation and mounting method thereof

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Embodiment Construction

[0033] The present invention will be further described below in conjunction with specific examples.

[0034] see Figure 1 to Figure 3 As shown, the offshore wind turbine double-hull single-pile foundation provided by this embodiment includes an outer shell 1, an inner shell 2, a ring rib 3, a longitudinal rib 4, a pile top flange 5, a blade-type longitudinal rib 7, and lifting lugs 9 and berth 10;

[0035] The inner casing 2 is arranged inside the outer casing 1, and a preset gap is maintained between the inner casing 2 and the outer casing 1 to form a pile, and the top of the inner casing 2 is preset for placing The pile cap 6 of the pile driving hammer 11, the pile top flange 5 is arranged on the top of the pile body, and the ring ribs 3 and the longitudinal ribs 4 have a plurality of intervals arranged in the gap from top to bottom, forming a plurality of A watertight compartment 8 filled with concrete or seawater, the blade-type longitudinal rib 7 is arranged at the bot...

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Abstract

The invention discloses anoffshore wind turbine double-shell single-pile foundation and a mounting method thereof. The foundation comprises an outer shell, an inner shell, annular ribs, longitudinal ribs, a pile top flange and blade type longitudinal ribs. The inner shell is arranged in the outer shell, a preset gap is kept between the inner shell and the outer shell to form a pile body, a pile cap used for containing a pile hammer is preset at the top end of the inner shell, the pile top flange is arranged at the top of the pile body, and the multiple annular ribs and the multiple longitudinal ribs are sequentially arranged in the gap at intervals from top to bottom. A plurality of watertight cabins used for being filled with concrete or seawater are formed, and the blade type longitudinal ribs are arranged at the bottom end of the pile body. The limitation of the ratio of the diameter to the wall thickness of a circular hollow section is broken through, and for a super-large-diameter single pile, a plate with smaller thickness can be used, so that the weight of the single pile is effectively reduced, and the economical efficiency is improved; and the friendliness of a manufacturing process and an offshore construction process is considered, so that the dependence on construction resources is reduced, and batch implementation is facilitated.

Description

technical field [0001] The invention relates to the technical field of single-pile foundations for offshore wind turbines, in particular to a double-shell single-pile foundation for offshore wind turbines and an installation method thereof. Background technique [0002] With the increasing size of offshore wind turbines and the deepening water depth of offshore wind farms, the diameter of single piles has become larger, its length has become longer, and its weight has become heavier; therefore In the design and construction of single piles, more factors need to be considered and paid attention to, such as the ratio of the diameter and wall thickness of the circular hollow section, the natural frequency of the single pile, the limitation of existing construction resources, and the economic requirements of parity, etc. And other factors. [0003] The purpose of the present invention is to overcome the deficiencies in the design and construction of the existing single-pile fou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B17/00E02D27/12E02D7/06
CPCE02B17/00E02D27/12E02D7/06E02B2017/0065E02B2017/0091E02B2017/0039
Inventor 孙立强吴迪苗得胜韩荣贵
Owner GUANGDONG MINGYANG WIND POWER IND GRP CO LTD
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