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Self-elevating type ocean platform prefabricated assembly type pile leg

A prefabricated, offshore platform technology, applied in sheet pile walls, buildings, artificial islands, etc., can solve problems such as affecting the safety and durability of offshore platforms, weakening the cross-section of supporting steel members, reducing bearing capacity, etc. The effect of reducing the dead weight of the pile legs and reducing the amount of steel used

Active Publication Date: 2018-08-03
HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

Ordinary carbon steel materials used on a large scale in steel structures are easily corroded in coastal corrosive environments, especially the supporting components of offshore platforms, which are immersed in seawater for a long time, and the steel is particularly affected by corrosive media such as seawater and marine organisms. , will weaken the section of the supporting steel member, reduce its bearing capacity, and seriously affect the safety and durability of the offshore platform

Method used

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  • Self-elevating type ocean platform prefabricated assembly type pile leg
  • Self-elevating type ocean platform prefabricated assembly type pile leg
  • Self-elevating type ocean platform prefabricated assembly type pile leg

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with the description of the drawings and specific embodiments.

[0020] Such as Figure 1 to Figure 4 As shown, a self-elevating offshore platform prefabricated leg, including a prefabricated stainless steel outer tube 10 and a high-strength steel round steel pipe 2, the high-strength steel round steel pipe 2 is arranged between the prefabricated assembled stainless steel outer tube 10 Inside.

[0021] Such as Figure 1 to Figure 4 As shown, the prefabricated stainless steel outer pipe 10 and the high-strength steel round steel pipe 2 are filled with liquid.

[0022] Such as Figure 1 to Figure 4 As shown, the prefabricated stainless steel outer pipe 10 and the high-strength steel round steel pipe 2 are filled with water 5 .

[0023] Such as Figure 1 to Figure 4 As shown, the high-strength steel round steel pipe 2 is built with steel plate stiffeners 3 penetrating longitudinally.

[0024] Such a...

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Abstract

The invention provides a self-elevating type ocean platform prefabricated assembly type pile leg. The pile leg comprises a prefabricated assembly type stainless steel outer tube and a high-strength steel round steel tube, wherein the high-strength steel round steel tube is arranged in the prefabricated assembly type stainless steel outer tube. The pile leg has the beneficial effects that the prefabricated assembly type stainless steel outer tube and the high-strength steel round steel tube are combined, the high-strength steel round steel tube only bears the vertical static load, the high-strength steel round steel tube is a main bearing component, the prefabricated assembly type stainless steel outer tube only bears the transverse environment load, and the erosion of corrosive media suchas seawater and marine organism attachments to the internal high-strength steel round steel tube is effectively isolated so that the diameter and the wall thickness of the internal high-strength steelround steel tube can be remarkably reduced, the steel consumption of a high-strength steel material is effectively reduced, and therefore construction cost is saved, and the self-weight of the pile leg is greatly reduced.

Description

technical field [0001] The invention relates to an ocean platform, in particular to a prefabricated pile leg of a self-elevating ocean platform. Background technique [0002] With the rapid development of offshore platform steel structure, its performance defects are gradually appearing. Ordinary carbon steel materials used on a large scale in steel structures are easily corroded in coastal corrosive environments, especially the supporting components of offshore platforms, which are immersed in seawater for a long time, and the steel is particularly affected by corrosive media such as seawater and marine organisms. , will weaken the section of the supporting steel member, reduce its bearing capacity, and seriously affect the safety and durability of the offshore platform. Contents of the invention [0003] In order to solve the problems in the prior art, the present invention provides a prefabricated pile leg of a self-elevating offshore platform. [0004] The invention ...

Claims

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Application Information

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IPC IPC(8): E02B17/02E02D5/28
CPCE02B17/027E02B2017/0056E02D5/285
Inventor 冯然
Owner HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL
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