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Fabricated cofferdam structure and construction method

A prefabricated and cofferdam technology, which is applied in the direction of infrastructure engineering, construction, sheet pile walls, etc., can solve the problem of material waste

Active Publication Date: 2021-07-06
北京华昊水利水电工程有限责任公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of the related technologies mentioned above, the inventor believes that in the actual construction process, it is necessary to cut off the steel casing after the pumping is completed, so as to reduce the occupation of the construction space in the hanging box, which will lead to a lot of waste of materials

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  • Fabricated cofferdam structure and construction method
  • Fabricated cofferdam structure and construction method
  • Fabricated cofferdam structure and construction method

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Embodiment Construction

[0036] The following is attached Figure 1-6 The application is described in further detail.

[0037] The embodiment of the application discloses a prefabricated cofferdam structure.

[0038] refer to figure 1 with figure 2 , The assembled cofferdam structure includes a plurality of vertically arranged steel casings 1 and at least one hanging box in a ring structure. A plurality of steel casings 1 are distributed along the circular contour of the suspension box, the suspension box includes a plurality of cofferdam steel plates 2, and the plurality of cofferdam steel plates 2 are divided into multiple groups, and each group contains a plurality of cofferdam steel plates 2 and multiple cofferdam steel plates 2 in the same group A cofferdam steel plate 2 is arranged between two adjacent steel casings 1 .

[0039] In addition, in order to facilitate the disassembly of the cofferdam steel plate 2 relative to the back cover concrete in the later stage, the bottom of the cofferdam...

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Abstract

The invention relates to a fabricated cofferdam structure and a construction method. The fabricated cofferdam structure comprises a plurality of vertically arranged steel casings and at least one hanging box of an annular structure, the multiple steel casings are distributed along the annular contour of the hanging boxes, each hanging box comprises a plurality of cofferdam steel plates, the multiple cofferdam steel plates are divided into a plurality of groups, and the multiple cofferdam steel plates in the same group are mutually spliced and arranged between every two adjacent steel casings. The cofferdam steel plates are parallel to the axial direction of the steel casings, and connecting assemblies used for connecting the adjacent cofferdam steel plates or the adjacent steel casings are arranged on the two vertical side edges of each cofferdam steel plate correspondingly. A supporting assembly used for supporting and serving as a construction platform is arranged in each hanging box. According to the fabricated cofferdam structure, the waste of materials can be effectively reduced.

Description

technical field [0001] The application relates to the field of cofferdam structures, in particular to an assembled cofferdam structure and a construction method. Background technique [0002] Cofferdam refers to the temporary enclosure structure built for the construction of permanent water conservancy facilities in the construction of water conservancy projects. It is mainly divided into earth-rock cofferdam, grass-soil cofferdam, wooden sheet pile cofferdam, wooden cage cofferdam, and steel sheet pile Cofferdam, reinforced concrete cofferdam and locking pipe pile cofferdam, etc. The locking pipe pile cofferdam is widely used because of its high strength, easy driving into hard soil layers, construction in deep water, good waterproof performance, and the ability to form cofferdams of various shapes as required. [0003] The existing steel sheet pile cofferdam construction methods are as follows: 1) Connect high steel casings at the construction site, and install upside-dow...

Claims

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Application Information

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IPC IPC(8): E02D19/04E02D5/04E02D5/08
CPCE02D19/04E02D5/04E02D5/08E02D2300/0029E02D2600/20
Inventor 王征高静许宁哈明阳
Owner 北京华昊水利水电工程有限责任公司
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