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Full-penetration welding technology for fillet seams of U-shaped rib plate of steel structure

A welding process and steel structure technology, applied in welding media, welding equipment, welding equipment and other directions, can solve the problems of not reaching the design service life, engineering defects, repeated construction, etc., to extend service life, improve fatigue resistance, The effect of preventing weld through

Active Publication Date: 2016-11-16
武汉天高熔接股份有限公司 +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, the design requirement of U-shaped rib fillet welds on most steel structures at home and abroad is that the welding penetration should reach more than 70%. However, to meet this requirement, the assembly process and welding process in the production process must be strictly controlled. The U-shaped rib fillet weld welding process of the welded steel structure leads to serious defects in the project, which cannot reach the designed service life, resulting in repeated construction or even scrapping throughout the year

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  • Full-penetration welding technology for fillet seams of U-shaped rib plate of steel structure
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  • Full-penetration welding technology for fillet seams of U-shaped rib plate of steel structure

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Embodiment Construction

[0024] The present invention will be further described in detail below in conjunction with the embodiments, so that those skilled in the art can implement it with reference to the description.

[0025] It should be understood that terms such as "having", "comprising" and "including" as used herein do not entail the presence or addition of one or more other elements or combinations thereof.

[0026] It should be noted that the experimental methods described in the following embodiments, unless otherwise specified, are conventional methods, and the reagents and materials, if not otherwise specified, can be obtained from commercial sources; in the description of the present invention, The terms "landscape", "portrait", "top", "bottom", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", The orientation or positional relationship indicated by "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, which is only ...

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Abstract

The invention discloses a full-penetration welding technology for fillet seams of a U-shaped rib plate of a steel structure. A steel top plate and the U-shaped rib plate form the steel structure with narrow space, a welding gasket is installed on an internal fillet seam inside the narrow space, an external bevel fillet seam outside the narrow space is welded, and one side welding and double side forming of the steel top plate and the U-shaped rib plate can be realized. According to the full-penetration welding technology, the fillet seams of the U-shaped rib plate can be effectively protected against weld penetration, full penetration of the fillet seams of the U-shaped rib plate of the steel structure can be guaranteed, the front sides and the rear sides of the fillet seams can be well formed, the fatigue resistance of the fillet seams of the U-shaped rib plate of the steel structure can be improved, and the service life of the steel structure can be prolonged.

Description

technical field [0001] The invention relates to the technical field of bridge and steel structure engineering manufacturing welding. More specifically, the present invention relates to a welding process for full penetration of fillet welds of U-shaped ribs in steel structures. Background technique [0002] At present, the design requirement of U-shaped rib fillet welds on most steel structures at home and abroad is that the welding penetration should reach more than 70%. However, to meet this requirement, the assembly process and welding process in the production process must be strictly controlled. The U-shaped rib fillet weld welding process of the welded steel structure led to serious defects in the project, which could not reach the designed service life, resulting in repeated construction or even scrapping throughout the year. Therefore, it is of great significance to seek a manufacturing process and supporting materials for the U-shaped rib fillet welds of steel struc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/18B23K9/035B23K35/36B23K35/362B23K103/04
CPCB23K9/0356B23K9/18B23K35/361B23K35/362B23K2103/04
Inventor 胡文喜屠涛雄李华汪小根
Owner 武汉天高熔接股份有限公司
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