Group-cable tensioning process

A tensioning and crafting technology, applied in construction, building construction, processing of building materials, etc., can solve problems such as mutual influence and difficult control of cable force

Inactive Publication Date: 2012-07-11
SHANGHAI MECHANIZED CONSTR GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The advantage of the present invention is that it solves the problem that the cables interact with each other during the tensioning process, which leads to the difficulty in c

Method used

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Embodiment Construction

[0005] Below in conjunction with accompanying drawing and implementation example the utility model is described in detail.

[0006] A group cable tensioning process is characterized in that: firstly calculate the stress on the cables to obtain the deformation arrays of the elastic deformations of all the cables, and perform cable tensioning according to the values ​​in the elastic deformation deformation arrays of the cables during the tensioning construction process of the cables. After all the cables are stretched to the predetermined deformation, the overall structure is formed, which is characterized in that: the tensioning of the cables starts from the rigid structure in the middle, and then the tensioning of the cables is carried out symmetrically to the rigid structures on both sides pull.

[0007] The present invention mainly replaces the stress analysis of the original cable component by analyzing the elastic deformation of the cable component. The elastic deformatio...

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Abstract

The invention relates to a group-cable tensioning process. The group-cable tensioning process is characterized in that stress calculation is carried out to cables, a deformation array of elastic deformation of all the cables is obtained, tensioning of the cables is performed according to values in the deformation array of elastic deformation of the cables during the tensioning construction process of the cables, and an integral structure is formed after all the cables are tensioned to predetermined deformation. The group-cable tensioning process has the advantages that the structure is simple, the design is compact, the force is spread directly, reinforcing treatment of a building core barrel is not needed, the construction cost can be greatly reduced, and the construction efficiency is improved.

Description

technical field [0001] The invention relates to a stretching process applicable to group cables. Background technique [0002] Similar to the cable structure roof of Shanghai Pudong Airport, because of its lightness, it is suitable for the construction of large-scale places. At present, cable structures are widely used in large-scale building structures at home and abroad. And born. However, during the construction, the tension and fixation of the cables are the key. In the process of cable tension construction for large-scale stadiums with super large spans and volumes, there will always be partial tension after the completion of the overall structure due to the complexity of the group cable structure. The cable stress is different from the design stress. Because the stress structure of the cable is complex and there are many cables, the stress of the cable is concentrated in some places, and the tension it bears is greater than the design value of the cable. Such a struc...

Claims

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Application Information

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IPC IPC(8): E04G21/12
Inventor 宋海丰俞晓萌余纯陈恒江
Owner SHANGHAI MECHANIZED CONSTR GRP
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