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Prefabricated assembly segmental open caisson and assembly method

A prefabricated assembly and segmental technology, applied to caissons, protection devices, water conservancy projects, etc., can solve problems such as high cost, multiple types of work, and long construction period

Pending Publication Date: 2020-10-23
中铁市政环境建设有限公司
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Problems solved by technology

However, the traditional cast-in-place caisson structure has disadvantages such as long construction period, many types of work, large demand on the working surface, high cost and poor construction environment. Therefore, it is necessary to design a prefabricated assembly segmental caisson and its assembly method

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  • Prefabricated assembly segmental open caisson and assembly method
  • Prefabricated assembly segmental open caisson and assembly method
  • Prefabricated assembly segmental open caisson and assembly method

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Embodiment Construction

[0032] The present invention will be further described below in conjunction with accompanying drawing, and the structure and principle of this device and method are very clear to those skilled in the art. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0033] This embodiment provides a prefabricated segmental caisson, see figure 1 and figure 2 As shown, it includes a caisson ring, and the caisson ring is composed of several groups of assembly units connected end to end, each of the assembly units includes two assembly modules, and the vertical section of the assembly modules is a right-angled trapezoid. And one end of the assembly module is a straight waist end, and the other end is a slanted waist end, and the two assembly modules of the same assembly unit are attached to each other through the slant waist ends, that is, two assembly modules of the same assembly unit ...

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Abstract

The invention relates to the technical field of open caisson construction, in particular to a prefabricated assembly segmental open caisson and an assembly method. An open caisson ring is composed ofa plurality of assembly units which are connected end to end, each assembly unit comprises two assembly modules, the vertical section of each assembly module is in a right-angle trapezoid shape, firstinstallation grooves are respectively formed in the outer sides of two ends of each assembly module, first arc-shaped holes are formed in the first installation grooves, the first arc-shaped holes ofthe adjacent assembling modules are mutually connected to form first connecting holes. According to the prefabricated assembly segmental open caisson and the assembly method, the standard modules aremanufactured in a factory rapid prefabrication mode, the prefabricated assembly modules and a base module are consistent in structural form, the input amount of prefabricated formworks is small, theadjacent modules are arranged upside down during installation, the problem of incorrect installation during assembly by operators can be solved, and the modules are assembled rapidly and conveniently.Meanwhile, the adjacent modules are connected and installed by adopting arc pull rods, and nuts are screwed in the installation grooves of the outer wall of the open caisson, so that the constructionsafety problem generated when operators carry out installation in the open caisson can be solved.

Description

technical field [0001] The invention relates to the technical field of caisson construction, in particular to a prefabricated and assembled segmental caisson and an assembly method. Background technique [0002] At present, pipeline construction in most cities in China requires a large excavation face, which is likely to cause road congestion, have a greater impact on urban traffic, and easily cause pollution such as dust, noise, and mud spills. In order to minimize the impact of construction on traffic and the environment, caissons are usually used for construction with pipe jacking and pipe pulling. However, the traditional cast-in-place caisson structure has disadvantages such as long construction period, multiple types of work, large demand on the working surface, high cost, and poor construction environment. Therefore, it is necessary to design a prefabricated and assembled segmental caisson and its assembly method. Contents of the invention [0003] The object of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D15/08E02D25/00E02D29/045E02D29/05E02D29/16E02D31/02
CPCE02D15/08E02D25/00E02D29/045E02D29/05E02D29/16E02D31/02
Inventor 孙焕斌刘克亮段玉三刘利川文小聪万志勇
Owner 中铁市政环境建设有限公司
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