Piling limiting frame for intertidal zone offshore wind power foundation pile sinking and construction method thereof

A technology of offshore wind power and limit frame, which is applied in foundation structure engineering, sheet pile walls, buildings, etc. It can solve problems such as extremely high rigidity requirements, damage to pile holders, and inability to effectively control verticality, so as to simplify the construction process, Ensure accuracy, ensure uniformity and scientific effect

Active Publication Date: 2014-08-13
天津港航工程有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the multi-pile pile holder of this technology has extremely high requirements on the rigidity of each component, and the impact force during the pile sinking process can easily dama

Method used

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  • Piling limiting frame for intertidal zone offshore wind power foundation pile sinking and construction method thereof
  • Piling limiting frame for intertidal zone offshore wind power foundation pile sinking and construction method thereof
  • Piling limiting frame for intertidal zone offshore wind power foundation pile sinking and construction method thereof

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Example Embodiment

[0032] The specific embodiments of the present invention will be described in detail below with reference to the preferred embodiments.

[0033] See attached Figure 1-6, a piling limit frame for piling of offshore wind power foundations in the intertidal zone, comprising a central large steel column 1, a truss structure and several water storage bins 7, and the central large steel column is fixed through the truss structure to form an integral limit frame Architecture, the truss structure includes the transverse truss 3 connecting the central large steel column and the small steel column, the transverse truss 4 connecting the adjacent small steel columns at the pile position and the longitudinal truss 5 between the small steel columns at the pile position. A water storage bin is arranged in the position frame structure, and an operation platform 6 is arranged on the overall limit frame frame, and a pile holder 8 is installed on the operation platform and the water storage bin...

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Abstract

The invention relates to a method for construction of intertidal zone offshore wind power multi-pile conduit frame foundation pile sinking. The method is characterized in that pile sinking positioning and perpendicularity control are performed on steel pipe piles through a piling limiting frame, and a floating crane hydraulic impact hammer setting on a beach is utilized to perform hanging up and beating for pile sinking. The method comprises the steps of performing steel pipe pile processing and marine transportation, performing ship positioning, leveling the beach face of a pile sinking area, placing the piling limiting frame, injecting water to a water containing cavity in the piling limiting frame, adjusting the levelness of the piling limiting frame, vertically lifting the steel pipe piles, inserting the steel pipe piles in a pile holding device of the piling limiting frame, utilizing a piling hammer for pile pressing and utilizing the piling hammer for pile sinking. The method has the advantages that the steel pipe piles are guided and limited through the piling limiting frame, pile sinking perpendicularity is guaranteed, accuracy of relative positions of the steel pipe piles of every foundation is guaranteed, construction of a whole fan foundation can be finished by one-time ship parking, a construction process is simplified, and construction efficiency is greatly improved.

Description

technical field [0001] The invention belongs to a construction method for pile foundations on water, and in particular relates to a pile-driving limit frame and a construction method for pile sinking of an offshore wind power foundation in an intertidal zone. Background technique [0002] As a kind of renewable clean energy, the development and utilization of wind energy resources has gradually received widespread attention, and the construction of wind farms has gradually developed from land to sea. At present, in terms of domestic offshore wind power planning, intertidal wind farms occupy a large share. Offshore wind power foundations mainly include low-pile high-pillar foundations, single-pile foundations, and multi-pile jacket foundations. [0003] The intertidal zone is a tidal flat that is submerged when the seawater reaches its highest tide and exposed when it recedes to a low tide. However, due to the low bearing capacity of the foundation and the submersion of the ...

Claims

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Application Information

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IPC IPC(8): E02D13/04E02D7/06
Inventor 陈强张佩良刘凤松何福渤李德刚冯玉海陈桂义李伟易振费文源
Owner 天津港航工程有限公司
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