Water vertical assembly technology of prestressed concrete water fixed platform

A fixed platform and concrete technology, applied in water conservancy projects, underwater structures, buildings, etc., can solve the problems of self-heavy, bulky, and difficult to effectively reduce transportation costs of fixed platforms, so as to reduce construction costs and improve safety. , the effect of reducing transportation costs

Active Publication Date: 2019-02-22
GUANGDONG SEACITY DEV HLDG LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If the fixed platform is prefabricated in the land factory in advance and then moved to the sea for installation and construction, it is difficult to effectively reduce the corresponding construction and transportation costs due to the abnormally large self-weight of each fixed platform, and it is also difficult to ensure the offshore installation due to its large size. Operator safety during construction

Method used

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  • Water vertical assembly technology of prestressed concrete water fixed platform
  • Water vertical assembly technology of prestressed concrete water fixed platform
  • Water vertical assembly technology of prestressed concrete water fixed platform

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Embodiment Construction

[0030] In the various figures of the application, structurally identical or functionally similar features are indicated by the same reference numerals.

[0031] This description will schematically but not limitatively illustrate the offshore vertical assembly technology according to the prestressed concrete fixed ocean platform. It should be clear that this fixed ocean platform can also be any large-scale water structure facility, that is to say the vertical The assembly technology can be applied to the construction of any prestressed concrete water fixed platform.

[0032] In addition, this description does not involve the reinforced concrete manufacturing process of each module of the prestressed concrete water or offshore fixed platform. Those skilled in the art can use any known reinforced concrete construction method to construct this prefabricated concrete structure in the prefabricated site of the land factory. Individual components of stressed concrete aquatic or marin...

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Abstract

The invention relates to a prestressed concrete overwater fixed platform, in particular to an overwater vertical assembly method of a prestressed concrete ocean fixed platform. The fixed platform comprises an upper structure platform module and hollow buoyancy cylinder modules. The method comprises the steps that the upper structure platform module and the hollow buoyancy cylinder modules are prefabricated respectively; assembly positioning tools are prearrangedbetween the upper structure platform module and the hollow buoyancy cylinder modules; a, the upper structure platform module and the buoyancy cylinder modules borne by floating tools are transported onto overwater preset positions by a marine transport ship; b, the marine transport ship dives to allow that the floating tools float to the upside of a submarine seat pier, sink and are fixed on the submarine seat pier; c, the upper structure platform module is hoisted onto the buoyancy cylinder modules, and correct positioning between the upper structure platform module and the buoyancy cylinder modules is ensured by the assembly positioning tools vertically; and d, concrete is poured, and an overall reinforced concrete structure of the fixed platform is formed. The invention further relates to a prestressed concrete overwater fixed platform constructed by adopting the method, in particular to a prestressed concrete ocean fixed platform.

Description

technical field [0001] The present invention generally relates to a prestressed concrete water fixed platform, especially a water vertical assembly technology of a prestressed concrete fixed ocean platform. Background technique [0002] Usually, offshore fixed application platforms such as offshore drilling platforms are mainly constructed on the sea with a steel frame structure. Considering factors such as strong seawater corrosion resistance and high wind and wave resistance, the prestressed concrete offshore fixed platform made of reinforced concrete will be a favorable substitute for the existing offshore fixed application platform. [0003] With the continuous development of earth's land resources and the continuous expansion of urban population, expanding human living space to the ocean has become the focus of human society in the new century. Taking the construction of offshore artificial islands as an example, the artificial island is divided into multiple assembled...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02B17/00
Inventor 苏汉明
Owner GUANGDONG SEACITY DEV HLDG LTD
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