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Construction technique for conveying immersed tube for long distance with self-propelling-type semi-submersible boat

A construction technique and semi-submersible vessel technology, applied in artificial islands, water conservancy projects, infrastructure projects, etc., can solve the problems of increasing time cost and economic cost, and achieve the requirements of reducing time and economic investment, reducing channel depth, and reducing The effect of constraints

Active Publication Date: 2017-03-29
NO 2 ENG CO LTD OF CCCC FIRST HARBOR ENG +1
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Problems solved by technology

The self-propelled semi-submersible ship long-distance transport immersed tube construction technology of the present invention is suitable for immersed tube structures of different structures, and can significantly improve the efficiency of transporting immersed tubes, but it is necessary to set moorings next to the foundation tank area where immersed tubes are constructed and installed Outfitting area, increasing the time cost and economic cost of preparatory work

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  • Construction technique for conveying immersed tube for long distance with self-propelling-type semi-submersible boat
  • Construction technique for conveying immersed tube for long distance with self-propelling-type semi-submersible boat
  • Construction technique for conveying immersed tube for long distance with self-propelling-type semi-submersible boat

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Embodiment Construction

[0037] Hereinafter, the present invention will be described in detail through exemplary embodiments. However, it should be understood that without further description, the elements, structures, and features in one embodiment can also be beneficially combined into other embodiments.

[0038] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "inner", "outer", "upper", "lower", "left", "right", etc. are based on the attached figure 1 The positional relationship shown is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention . In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be unde...

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Abstract

The invention discloses a construction technique for conveying an immersed tube for a long distance with a self-propelling-type semi-submersible boat, and the construction technique is used for conveying the immersed tube from an immersed tube prefabrication factory to a foundation trench zone for assembly construction of the immersed tube. A first immersing operation zone is arranged in a temporary mooring zone of the immersed tube prefabrication factory; a second immersed operation zone is arranged beside the foundation trench; the immersed tube and an immersed tube assembly boat are loaded on the self-propelling-type semi-submersible boat at the temporary mooring zone and are conveyed to a turning zone; the immersed tube assembly boat and the immersed tube are unloaded in the second immersed operation zone; the immersed tube is floating-conveyed to the foundation trench zone for assembly construction of the immersed tube by tugs and the immersed tube assembly boat; and a mooring fitting-out zone does not need to be arranged beside the foundation trench, so that time and economic investment during previous preparation work is greatly reduced, and construction work efficiency is improved.

Description

Technical field [0001] The invention belongs to the technical field of water transportation engineering construction in transportation, and in particular relates to a construction technology for long-distance transportation of immersed pipes in a self-propelled semi-submersible vessel. Background technique [0002] The underwater tunnel is formed by connecting multiple immersed pipes with huge volume and weight. The main types of immersed pipes are steel-shell concrete immersed pipe and reinforced concrete immersed pipe. At present, the processing and transportation method of immersed pipe mainly adopts the two-step method. That is, the immersed pipe is prefabricated and concrete is poured in the immersed pipe prefabrication plant, and the outfitting installation process is completed, and then the immersed pipe is long-distance floated to the immersed pipe construction base tank area for immersed pipe installation by hauling equipment. Due to the huge weight of the immersed pipe ...

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Application Information

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IPC IPC(8): E02D29/07
CPCE02D29/07
Inventor 刘德进李一勇苏长玺曲俐俐冯海暴冯甲鑫马宗田孙靓李增军付院平张乃受岳铭滨石书元
Owner NO 2 ENG CO LTD OF CCCC FIRST HARBOR ENG
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