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Ultra-large floating structure

A floating structure and super-large technology, applied in the field of offshore floating platforms and super-large floating structures, can solve the problems of poor shock resistance and shock absorption, and achieve vibration attenuation, suppression of swinging back and forth, and less damage. Effect

Active Publication Date: 2015-12-30
INST OF IND TECH GUANGZHOU & CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing ultra-large floating structures have poor impact resistance and shock absorption effects. Under the action of typhoons and internal waves, the modules of the ultra-large floating structures are severely heaved, pitched and rolled.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] like Figure 1-2 As shown, a super-large floating structure includes several connected modules, each module includes an upper deck 1, a lower floating body 2 and a suspension system 3, and the suspension system 3 is arranged on the upper deck 1 and the lower floating body 2 between.

[0034] Two adjacent modules are connected by flexible connectors. The flexible connectors in this embodiment include elastic members 4 and hinged members 5, wherein the hinged members 5 are arranged between adjacent two upper decks 1, and the lower floating body 2 includes uprights 21 and The lower floating body body 22 and the elastic member 4 are arranged between the columns 21 of two adjacent lower floating bodies 2 . The arrangement of the elastic member 4 and the hinged member 5 can ensure the continuity between the modules in the super-large floating structure, and at the same time ensure that it has good impact resistance and shock absorption effects, and has a simple structure, ex...

Embodiment 2

[0037] like Figure 3-5 As shown, the flexible connecting member in this embodiment includes an elastic member 4 and a first damper 6 , and both the elastic member 4 and the first damper 6 are arranged between the columns 21 of two adjacent lower floating bodies 2 . The arrangement of the elastic member 4 and the first damper 6 can not only ensure the continuity between the modules in the super-large floating structure, but also ensure that it has good impact resistance and shock absorption effects, and has a simple structure and excellent connection performance. Easy to implement.

[0038]In addition, the lower floating body 2 in this embodiment includes a lower floating body body 22 and a hollow column 21 arranged on the upper end of the lower floating body body 22, and a first compartment 212 separated by a bulkhead 211 is sequentially formed in the column 21 from top to bottom. and the second compartment 213, the suspension system 3 in this embodiment is specifically: the...

Embodiment 3

[0042] like Image 6 As shown, different from Embodiment 1, in this embodiment, there is no flexible connection between the modules, and two adjacent upper decks 1 are connected to a lower floating body 2 through two suspension systems 3 . The upper decks 1 can be connected to the lower floating body 2 through two suspension systems 3, without additional connecting pieces, the structure is simple and stable, cost saving, and has good impact resistance and shock absorption effect.

[0043] Other structures in this embodiment are the same as those in Embodiment 1.

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Abstract

The invention discloses an ultra-large floating structure which comprises multiple modules connected with one another. Each module comprises an upper deck, a lower floating body and hanging systems which are arranged between the upper deck and the lower floating body. According to the ultra-large floating structure, the hanging systems are installed between the upper decks and the lower floating bodies and can alleviate impact loads which are transmitted to the upper decks by waves through the lower floating bodies, attenuate vibration caused by the impact loads and control deformation among the modules on the ultra-large floating structure, the impact resisting and damping effects are good, the impact force caused by the waves and internal waves can be effectively reduced and buffered, and heaving, longitudinal shaking and transverse shaking of the decks can be effectively relieved.

Description

technical field [0001] The invention mainly relates to the technical field of offshore floating platforms, in particular to the technical field of ultra-large floating structures. Background technique [0002] With the rapid growth of the earth's population, the existing land resources are limited, and all countries have shifted the focus of economic development to the sea. The international marine engineering community has set off an upsurge in the study of super-large floating structures. The so-called super-large floating structures refer to those floating marine structures whose scale is measured in kilometers, relying on coastal islands or island groups, with permanent or Semi-permanent, comprehensive and multi-purpose. Its setting will exert a decisive influence on the social and economic activities and even the political and military structure of a certain region. Such a huge floating structure must adopt modular splicing from the perspective of manufacturing, maint...

Claims

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Application Information

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IPC IPC(8): B63B38/00
Inventor 丁桦周秋萍赵隆茂沈正
Owner INST OF IND TECH GUANGZHOU & CHINESE ACADEMY OF SCI
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