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Arch hexagonal steel box beam manufacturing method

A production method and hexagonal technology, which are applied in the directions of bridges, bridge materials, bridge construction, etc., can solve the problems of not having the mature technology for making arched hexagonal steel box girder, and achieve lower construction cost, convenient operation, and improved work efficiency. Effect

Active Publication Date: 2016-08-24
CHINA MCC 2 GRP CO LTD
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AI Technical Summary

Problems solved by technology

When the main arch of the butterfly arch bridge is made, because the main arch is a parabolic shape made of hexagonal steel box girders, in the prior art, most of the steel box girders are quadrangular steel box girders, and no arched hexagonal steel box girders have been made yet. mature technology

Method used

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  • Arch hexagonal steel box beam manufacturing method
  • Arch hexagonal steel box beam manufacturing method
  • Arch hexagonal steel box beam manufacturing method

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Embodiment 1

[0009] Embodiment one: see figure 1 , figure 2 , image 3 , the present invention relates to a method for manufacturing an arched hexagonal steel box girder. Firstly, the mold used for the arched hexagonal steel box girder is manufactured. The mold includes a base 1 and a template 5, and is characterized in that: The base 1 includes a bottom beam 2, a joist 4, a connecting plate 3, and a strut 6. The bottom beam 2 is processed by two No. 56 I-beams, and the horizontal distance between the two No. 56 I-beams is 300 mm. The length of the bottom beam 2 is square, and the connecting plate 3 is used to connect two No. 56 I-beams every 500 mm. The joist 4 is processed by two No. 32 I-beams. The joist 4 is placed on the bottom The middle position of the upper plane of the beam 2 is connected with the bottom beam 2 as a whole. The template 5 is processed by 16 mm thick steel plate, and one side of the template 5 is processed into an arc, which is the same as the arc of the lower f...

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Abstract

The invention relates to an arch hexagonal steel box beam manufacturing method. The method comprises the steps that a mold for an arch hexagonal steel box beam is manufactured, wherein the mold comprises a base and a mold plate and is characterized in that the base comprises a bottom beam, a supporting beam, a connecting plate and a supporting rod, the bottom beam is formed by machining two number-56 I-beams, the supporting beam is formed by machining two number-32 I-beams, and the supporting beam is connected to the middle of an upper plane of the bottom beam; one side face of the mold plate is machined into an arch shape, the radian of the mold plate is the same as the radian of a lower flange plate of the arch hexagonal steel box beam, during construction, the machined lower flange plate of the arch hexagonal steel box beam is fixed to the mold plate, the lower flange plate and the arch side face of the mold plate are attached tightly and kept perpendicular, the center line of the lower flange plate is aligned to the upper plane of the mold plate, then, a transverse partition plate, a web plate and the upper flange plate are installed in place, and assembling of the arch hexagonal steel box beam is completed. According to the method, construction is convenient and rapid, and the assembling precision and quality of the arch hexagonal steel box beam are effectively ensured.

Description

1. Technical field: [0001] The invention relates to a method for manufacturing an arched hexagonal steel box girder, which belongs to the field of steel structure engineering construction. 2. Background technology: [0002] Xiaomiaozi Township Bridge, Qingshuihe County, Hohhot City, the steel structure of the bridge is butterfly-shaped, with a total length of 100m and a width of 28m. The single arch ribs on both sides of the bridge deck symbolize the wings of soaring, consisting of the main arch and two side arches. Connected by I-shaped struts. The arch axis of the main arch rib is a parabola, and its section adopts a hexagonal steel box section with a width of 1.4m, a height of 1.2m, a plate thickness of 16mm, a main arch height of 16.63m, and a main arch span of 60m. The side arch has a rectangular cross-section, 0.4m high, 0.3m wide, and 12mm thick. The side arch has a hyperboloid space shape. The angle between the main arch and the side arch is 9.9°. The main arch and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D2/04E01D101/30
Inventor 贾成一刘金海马智慧李占华张建佩石晓冬
Owner CHINA MCC 2 GRP CO LTD
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