Construction method of large-diameter steel-concrete composite cylindrical structure

A construction method and technology of combined tubes, which are applied in the direction of basic structure engineering, underwater structures, artificial islands, etc., can solve the problems of high production and construction costs, poor durability, etc., achieve fast construction, reduce lifting capacity requirements, Effects that are easy to engineer

Active Publication Date: 2022-06-28
CCCC FIRST HARBOR ENG
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Problems solved by technology

[0004] Aiming at the technical problems of high production and construction costs and poor durability in the above-mentioned prior art, the present invention proposes a construction method for a large-diameter steel-concrete composite cylindrical structure, which can effectively reduce construction costs and is easy to engineer Manufactured, the resulting cylindrical structure is durable

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  • Construction method of large-diameter steel-concrete composite cylindrical structure
  • Construction method of large-diameter steel-concrete composite cylindrical structure
  • Construction method of large-diameter steel-concrete composite cylindrical structure

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Embodiment Construction

[0047] The technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

[0048] In the description of the present invention, it should be understood that the terms "center", "lateral", "longitudinal", "upper", "lower", "vertical", "horizontal", "top", "bottom", The orientation or positional relationship indicated by "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indic...

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Abstract

The invention proposes a construction method for a large-diameter steel-concrete composite cylindrical structure, comprising the following steps: making a steel cylinder and dowel bars: making a steel cylinder and a plurality of dowel bars, A gap is opened at the lower end of the steel cylinder; the installation of the dowel rod and the steel cylinder: the dowel rod is vertically inserted into the upper end of the steel cylinder through the gap to fix it; the installation of the support structure: the support structure includes A plurality of support rods arranged horizontally, one end of each support rod is respectively connected with a dowel rod, and the other end of the support rod intersects and is fixed on the central axis of the steel cylinder; the production and installation of the ring substitute: The ring-shaped substitute is fixedly connected with the upper end of the dowel bar; vibration and sinking construction: install the vibration-sinking tool for vibration-settling, and remove the ring-shaped substitute and supporting structure after the vibration-settling construction is completed; prefabrication of the concrete cylinder and installation of the concrete cylinder. The construction method can effectively reduce the construction cost, is easy to engineer and manufacture, and the obtained cylindrical structure has strong durability.

Description

technical field [0001] The invention belongs to the technical field of cylindrical revetment structures for offshore artificial islands in soft foundation areas, and in particular relates to a construction method for a large-diameter steel-concrete composite cylindrical structure. Background technique [0002] The large-diameter steel cylindrical revetment structure is a new type of structure applied in the construction of offshore artificial islands. Through the application in super projects such as the Hong Kong-Zhuhai-Macao Bridge and the deep-medium passage, it has been verified that the structure has the advantages of fast construction, engineering manufacturing, and high precision. The characteristics of small environmental impact are the key technologies to realize the rapid construction of artificial islands. [0003] However, the diameter of the steel cylinder revetment structure is relatively large, generally between ten meters and tens of meters. For example, the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02B3/06E02B17/00E02D5/18E02D5/52
CPCE02B3/066E02B17/003E02D5/18E02D5/526
Inventor 李一勇杜闯孙竹冯玉玺张健宁
Owner CCCC FIRST HARBOR ENG
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