Piling Construction Technology and Equipment for Offshore Mobile Platform

A construction technology and mobile platform technology, applied in artificial islands, sheet pile walls, water conservancy projects, etc., can solve problems such as unguaranteed piling accuracy, unguaranteed construction progress, and violent movement of piling ships, so as to improve operation efficiency and operation accuracy. , High piling accuracy, ensure the effect of inclination

Active Publication Date: 2018-07-06
CCCC FIRST HARBOR ENG +1
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are two main disadvantages in this process: 1. The piling accuracy is low, usually within 30cm; 2. If encountering severe sea conditions, such as swells and medium-to-long-period waves, the piling ship will move violently, so the piling accuracy cannot be guaranteed. progress is not guaranteed

Method used

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  • Piling Construction Technology and Equipment for Offshore Mobile Platform
  • Piling Construction Technology and Equipment for Offshore Mobile Platform
  • Piling Construction Technology and Equipment for Offshore Mobile Platform

Examples

Experimental program
Comparison scheme
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specific Embodiment approach

[0025] Such as Figures 1 to 4 as shown,

[0026] The piling construction process of the offshore mobile platform includes the following steps:

[0027] Set up the piling platform; first lay the piling platform on the land or shallow water area on the shore, because the influence of the surge or sea waves on the land and shoal is small, the piling platform can be accurately laid.

[0028] A straight pile beam is set on one side of the piling platform, and the next row of middle straight piles is driven through the straight pile beam, and the general beam is installed on the middle straight pile to form a piling platform, and the piling platform is moved circularly in the direction of piling.

[0029] After installing the general girder with the intermediate straight piles, use the cantilever positioning beams on both sides of the general girder to drive the supporting straight piles on both sides. At the top of the pile, the positioning beam in the cantilever state is change...

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Abstract

The invention relates to a mobile offshore unit piling construction process. The mobile offshore unit piling construction process includes the steps that a piling platform is erected; a straight pile beam is arranged on the pushing side of the piling platform, a middle straight pile of a next framed bent is driven through the straight pile beam, a total beam is installed on the middle straight pile, and the piling platform is formed; and the piling platform is moved in a circulated manner in the piling direction. Mobile offshore unit piling construction equipment comprises the piling platform, a crawler crane, a guide support and a diesel percussion hammer. Through the manner that the platform is gradually erected on the sea, sinking of a steel pipe pile is completed, operation is safe, and convenience is brought to use; the pile sinking accuracy is smaller than or equal to 10 cm, and the piling accuracy is high; and under the sea conditions of surges and medium-long-period waves, construction cannot be influenced, and the efficiency is reliable.

Description

technical field [0001] The invention relates to a construction method and equipment capable of setting steel pipe piles on an offshore mobile platform under the action of swell waves and mid- to long-period waves. Background technique [0002] At present, steel pipe piles are set up at sea, mainly using piling ships. There are two main disadvantages in this process: 1. The piling accuracy is low, usually within 30cm; 2. If encountering severe sea conditions, such as swells and medium-to-long-period waves, the piling ship will move violently, so the piling accuracy cannot be guaranteed. Progress is also not guaranteed. Contents of the invention [0003] Aiming at the deficiencies in the prior art above, the present invention proposes a piling construction technique and equipment for an offshore mobile platform. [0004] The piling construction process of the offshore mobile platform of the present invention comprises the following steps: [0005] Erection of piling platf...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02B17/00E02D7/08
CPCE02B17/00E02B2017/0056E02D7/08
Inventor 刘德进曲俐俐徐善忠鞠鹏王翔冯甲鑫冯海暴
Owner CCCC FIRST HARBOR ENG
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