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A super large floating structure

A floating structure and super-large technology, which is applied in the field of offshore floating platforms and super-large floating structures, can solve the problems of poor impact resistance and shock absorption effect, achieve vibration attenuation, ensure continuity, and suppress back and forth swings Effect

Active Publication Date: 2019-03-12
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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  • A super large floating structure
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Such as 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 a flexible connecting piece. The flexible connecting piece in this embodiment includes an elastic piece 4 and a hinged piece 5. The hinged piece 5 is arranged between two adjacent upper decks 1, and the lower floating body 2 includes uprights 21 and The lower floating body 22 and the elastic member 4 are arranged between the uprights 21 of two adjacent lower floating bodies 2. The arrangement of the elastic member 4 and the hinge 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 the structure is simple, th...

Embodiment 2

[0037] Such as 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 uprights 21 of two adjacent lower floating bodies 2. The arrangement of the elastic member 4 and the first damper 6 can ensure the continuity between the modules in the super-large floating structure, while ensuring that it has good impact resistance and shock absorption effects, and has a simple structure and superior connection performance. Easy to implement.

[0038] In addition, the lower floating body 2 in this embodiment includes a lower floating body main body 22 and a hollow column 21 provided at the upper end of the lower floating body main body 22. In the column 21, first compartments 212 separated by bulkheads 211 are sequentially formed from top to bottom. And the second cabin 213, the suspension system 3 in this embodiment is specifically: the suspension...

Embodiment 3

[0042] Such as Image 6 As shown, the difference from Embodiment 1 is that 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. Each upper deck 1 can be connected to the lower floating body 2 through two suspension systems 3, without additional connecting parts, simple and stable structure, cost saving, and good impact resistance and shock absorption effects.

[0043] The other structures in this embodiment are the same as in the first embodiment.

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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 super large floating structures. Background technique [0002] With the rapid growth of the earth’s population and the limited land resources available, all countries have shifted the focus of economic development to the ocean. 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 with a scale in kilometers, which are supported by coastal islands or island groups with permanent or Semi-permanent, comprehensive, multi-purpose function. Its setting will exert a decisive influence on the social, 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, maintenan...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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