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Jacket pile pipe inserting technology

A jacket and pile pipe technology, applied in sheet pile walls, foundation structure engineering, construction, etc., can solve the problems of increasing platform complexity, increasing costs, continuing to sink until submerged in sea mud, etc., to increase market competitiveness, Effect of cost reduction and construction cost reduction

Inactive Publication Date: 2018-12-07
JIANGSU HUAXICUN OFFSHORE ENG SERVICE
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, this method is not suitable for my country's national conditions. Because the seabed silt layer in many sea areas of our country is thick, the installation platform will continue to sink after being hoisted to the seabed until it is submerged in the sea mud. Therefore, foreign installation platforms cannot be used in my country. At the same time, the above-mentioned installation platform needs to be equipped with an automatic adjustment mechanism so that it can ensure that the platform is in a horizontal state on the seabed, thereby greatly increasing the complexity of the entire platform and increasing the cost; Jacket Pile Insertion Technology Adapting to my country's National Conditions with Simple Structure and High Construction Efficiency

Method used

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Embodiment Construction

[0033] see Figure 1-9 , a kind of jacket pile pipe inserting process that the present invention relates to, described process step is:

[0034] Step 1, the upper platform 1 and the lower platform 2 are connected together through the buckle 3, and there are multiple slings 4 connected between the upper platform 1 and the lower platform 2;

[0035] Step 2, hoisting the connected upper platform 1 and lower platform 2 to the target sea surface by a crane;

[0036] Step 3, the auxiliary pile is inserted into the seabed after passing through the upper platform 1 and the lower platform 2;

[0037] Step 4, loosen the buckle 3, the lower platform 2 sinks until the sling 4 is tightened and then suspended into the sea water;

[0038] Step 5, the engineering pile is inserted into the seabed after being guided by the lower guide hole 2.2 of the engineering pile around the lower platform 2;

[0039] Step 6, hoist the crane to the bottom of the upper platform 1 through the lower platform...

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Abstract

The invention provides a jacket pile pipe inserting technology comprising the step 1 of connecting an upper platform (1) with a lower platform (2) through fasteners (3), and connecting a plurality ofslings (4) between the upper platform (1) and the lower platform (2); the step 2 of hoisting the upper platform (1) and the lower platform (2) which are connected to each other onto a target sea surface through a crane; the step 3 of inserting auxiliary piles into seafloor after penetrating through the upper platform (1) and the lower platform (2); the step 4 of loosening the fasteners (3), sinking the lower platform (2) till the slings (4) are tightened, and hanging the lower platform (2) in the seawater; and the step 5 of guiding and inserting engineering piles into the seafloor through engineering pile lower guide holes (2.2) in the periphery of the lower platform (2). The jacket pile pipe inserting technology is simple in structure and high in construction efficiency.

Description

technical field [0001] The present invention relates to a jacket pile pipe insertion process, in particular to a process for performing pile insertion operations on pile pipes (engineering piles) serving as jacket pile foundations in the early stage of jacket installation in offshore wind power construction, which belongs to Offshore wind power technology field. Background technique [0002] At present, in the installation process of offshore wind turbines, the jacket as the platform of the wind turbine needs to be installed on pile pipes (engineering piles). The positioning of the pile pipe is very important, otherwise the accumulated errors will lead to the failure of the normal installation of the jacket; in today’s construction technology, in order to avoid and reduce errors, foreign companies have designed a sunken installation platform; during construction, the installation platform is directly lifted Go to the target sea surface, then sink it to the seabed, and then ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D13/04E02D27/42E02D7/00
CPCE02D7/00E02D13/04E02D27/425E02D2250/0061
Inventor 周宏勤廖鹏郁杰翔
Owner JIANGSU HUAXICUN OFFSHORE ENG SERVICE
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