Attitude control method for splash zone of offshore wind power multi-barrel jacket foundation

An offshore wind power and attitude control technology, applied in infrastructure engineering, load hoisting components, buildings, etc., can solve problems such as the large influence of uncertain factors, and achieve the goal of enhancing attitude control ability, improving construction accuracy, and reducing hoisting requirements. Effect

Active Publication Date: 2021-09-21
张浦阳 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to solve the technical problem that the multi-tube jacket foundation is greatly affected by uncertain factors in the process of passing through the water area of ​​the splash zone. Attitude control capability of multi-tube jacket foundation lowering process and / or recovery process

Method used

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  • Attitude control method for splash zone of offshore wind power multi-barrel jacket foundation
  • Attitude control method for splash zone of offshore wind power multi-barrel jacket foundation
  • Attitude control method for splash zone of offshore wind power multi-barrel jacket foundation

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Embodiment Construction

[0039] In order to further understand the invention content, characteristics and effects of the present invention, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:

[0040] In the step-by-step construction method of offshore wind power, the multi-tube jacket foundation 3 will go through the complex construction process of the skirt of the suction tube entering the water, exhausting the inside of the tube, completely entering the water at the top of the tube until the mud enters the mud to the design depth, especially when the suction tube passes through the wave splash In the process of reaching the water area, there will be great uncertainties, such as: the release speed of the floating suspension cable 1, the discharge process of the air inside the suction cylinder, the dynamic buoyancy state and the incident wave force (even the slamming force), etc., these Uncertain factors create a very complex couple...

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Abstract

The invention belongs to the technical field of offshore wind power foundations, and discloses an attitude control method for a splash zone of an offshore wind power multi-barrel jacket foundation; the wave height condition and various existing construction states are systematically considered; each suction barrel of the multi-barrel jacket foundation is equipped with an independent hanging cable; the lowering and/or jacking speed of the multi-barrel jacket foundation is controlled; in the sinking and/or recycling process of the multi-barrel jacket foundation, the suction barrels are kept in the suffocated state; certain buoyancy is provided; furthermore, the buoyancy is adjusted by inflating or deflating the suction barrels; then, the tension of the hanging cables is controlled, so that the hanging force of the hanging cables is effectively reduced in the crossing process of the splash zone; the hoisting requirement for a self-elevating installation ship or a floating crane ship is effectively reduced; the attitude control capability of the lowering process and/or the recovery process of the multi-barrel jacket foundation is obviously enhanced; the construction accuracy is improved; the construction operability is enhanced; and the construction risk when the multi-barrel jacket foundation passes through the splash zone is avoided.

Description

technical field [0001] The invention belongs to the technical field of offshore wind power foundations, and in particular relates to a construction method for offshore wind power multi-tube jacket foundations. Background technique [0002] At present, with the application of cylindrical foundations from shallow water with a water depth of 15m to deep-water wind farms with a water depth of 45m, and even in the future with a water depth of 50-60m, the dynamic and complex system formed during the construction process of multi-tube foundations for offshore wind power will continue to grow. Gradually play a leading role in construction decision-making and process control. This process involves the selection of marine machinery, the determination of the operation window period, and the associated cost control of foundation installation and construction. [0003] The harsh environment of deep-water wind farms has a high probability of occurrence, and the construction window period ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C13/08B66C13/12E02D27/42
CPCB66C13/12B66C13/08E02D27/425Y02E10/727
Inventor 张浦阳丁红岩
Owner 张浦阳
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