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A Repair and Reinforcement Structure of Complicated Space Steel Tube Structure

A technology for reinforcing structures and steel pipes, applied in the direction of pipe elements, pipes/pipe joints/pipes, mechanical equipment, etc., can solve the problems of lack of research and design, late start and other problems, to achieve convenient cutting and wrapping, saving time, and convenient construction Effect

Active Publication Date: 2022-06-28
CHINA PETROLEUM & CHEM CORP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the existing carbon fiber cloth reinforced steel pipe node structure is that carbon fiber cloth of the same shape is wound around the steel pipe joints. This method started relatively late in the field of metal structure reinforcement, especially the related research and design on the reinforcement of metal pipe joints is very lacking. Therefore, It is of great significance to propose a set of reasonable and feasible design methods for carbon fiber reinforced metal pipe joints, which can provide reference for the reinforcement design of the industry and the reinforcement research of the academic circle.

Method used

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  • A Repair and Reinforcement Structure of Complicated Space Steel Tube Structure
  • A Repair and Reinforcement Structure of Complicated Space Steel Tube Structure
  • A Repair and Reinforcement Structure of Complicated Space Steel Tube Structure

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Experimental program
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Effect test

Embodiment 1

[0082] see figure 1 , figure 2 , Figure 5 , Image 6 , Figure 8 As shown, this embodiment is a repair and reinforcement structure of a complex space steel pipe structure, including a steel pipe node main pipe 1 and three steel pipe node branch pipes 2, and the three steel pipe node branch pipes 2 are respectively oblique to the steel pipe node main pipe 1 and are all column-shaped pipes. , the steel pipe node branch pipe 2 includes two first steel pipe node branch pipes 2, the first steel pipe node branch pipe 2 and the steel pipe node main pipe 1 form a K-shaped pipe, and the remaining steel pipe node branch pipe 2 is the second steel pipe node branch pipe 3, the second steel pipe node branch pipe 3 The branch pipe 3 and the steel pipe node main pipe 1 form a Y-shaped pipe, and the orthographic projection of the root of the second steel pipe node branch pipe 3 is located between the two first steel pipe node branch pipes 2;

[0083] Several layers of carbon fiber reinf...

Embodiment 2

[0111] see figure 1 , image 3 , Figure 4 , Figure 5 , Image 6 , Figure 8As shown, this embodiment is a repair and reinforcement structure of a complex space steel pipe structure, including a steel pipe node main pipe 1 and three steel pipe node branch pipes 2, and the three steel pipe node branch pipes 2 are respectively oblique to the steel pipe node main pipe 1 and are all column-shaped pipes. , the steel pipe node branch pipe 2 includes two first steel pipe node branch pipes 2, the first steel pipe node branch pipe 2 and the steel pipe node main pipe 1 form a K-shaped pipe, and the remaining steel pipe node branch pipe 2 is the second steel pipe node branch pipe 3, the second steel pipe node branch pipe 3 The branch pipe 3 and the steel pipe node main pipe 1 form a Y-shaped pipe, and the orthographic projection of the root of the second steel pipe node branch pipe 3 is located between the two first steel pipe node branch pipes 2;

[0112] Several layers of carbon ...

Embodiment 3

[0141] The difference from Embodiment 1 and Embodiment 2 is that if the second steel pipe node branch pipe 3 is relatively thin, only one piece of rectangular branch pipe carbon fiber cloth for each layer of the second branch pipe carbon fiber cloth 502 is required, such as Figure 7 shown, and there is only one overlap area.

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Abstract

The invention discloses a carbon fiber repairing and reinforcing structure of a complex space steel pipe structure, which comprises a steel pipe joint main pipe and two steel pipe joint branch pipes obliquely intersecting with it, the outside of the joint steel pipe is wrapped with carbon fiber reinforced composite material by adhesive, and the outside of the steel pipe joint main pipe Several layers of carbon fiber cloth for the main pipe with different fiber directions are wrapped with adhesive, and several layers of carbon fiber cloth for branch pipes with different fiber directions are wrapped outside each steel pipe node branch pipe. Each layer of branch pipe carbon fiber cloth includes strip branch pipe carbon fiber cloth and rectangular branch pipe. Carbon fiber cloth, the carbon fiber cloth of the branch pipe and the carbon fiber cloth of the main pipe are all provided with carbon fiber material strips, and the carbon fiber cloth of the branch pipe and the carbon fiber cloth of the main pipe are also provided with a number of anchoring pressure strips. The invention aims at the deficiencies in the prior art, and provides a reasonable design, simple structure, safe and reliable complex space steel pipe structure repair and reinforcement structure.

Description

technical field [0001] The invention relates to a repairing and reinforcing structure for a complex space steel pipe structure. Background technique [0002] In all kinds of steel pipe structure equipment, facilities and buildings, including oil and gas transmission pipelines, offshore platform jackets and onshore steel pipe structures, steel pipe joints are very important parts. A large number of on-site accidents show that steel pipe structures are often damaged at the joints. The force condition is far more complicated than that of beam-column members. Under the action of earthquakes, the horizontal shear force it bears is generally 4-6 times that of the column shear force. Once damaged, it may lead to the collapse of the entire structure. Repair or reinforce the node parts; because the new construction cost is huge, and the parts that need to be reinforced are not easy to be overturned and reconstructed, so seeking economical and efficient steel pipe structure reinforcem...

Claims

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Application Information

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IPC IPC(8): F16L55/17
CPCF16L55/17
Inventor 王观军杨冬平陈健飞朱丽国王伟斌让东梅高莎莎王安鹏郭爱洪顾菲菲
Owner CHINA PETROLEUM & CHEM CORP
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