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Bridge steel structure box girder

A technology for steel structures and box girders, applied to bridges, bridge parts, bridge materials, etc., can solve the problems of increased difficulty in on-site construction, achieve the effects of improving protection, reducing water seepage, and improving bonding effects

Pending Publication Date: 2021-12-03
YANJIAN GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of the above-mentioned related technologies, the inventors found that steel structure box girders often use welding connection methods in bridge use. In order to facilitate transportation, the bottom plate, partition plate, and roof plate of the box girder are often transported to the construction site for welding. The connection method increases the difficulty of on-site construction

Method used

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Embodiment Construction

[0034] The following is attached Figure 1-2 The application is described in further detail.

[0035] The embodiment of the application discloses a bridge steel structure box girder. refer to figure 1 with figure 2 , the bridge steel structure box girder includes a bottom plate 1 arranged horizontally, a web 2 is detachably connected to both sides of the bottom plate 1 through bolts, and a top plate 3 is detachably connected to the upper end of the web 2, and the top plate 3, bottom plate 1 and web 2 form an inner For the box girder with a cavity, the inner cavity is provided with a supporting mediastinal plate 4 and a transverse diaphragm 5 . When in use, the web 2 is connected to both sides of the bottom plate 1, the medial diaphragm 4 and the transverse diaphragm 5 are installed between the bottom plate 1 and the web 2, and the top plate 3 is installed to the uppermost end to realize the assembly of the box girder. The whole box girder is divided into various flat plat...

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Abstract

The invention discloses a bridge steel structure box girder, which belongs to the field of bridge construction, and comprises a bottom plate, a longitudinal partition plate is detachably connected to the bottom plate, web plates are detachably connected to two sides of the bottom plate, partition plate grooves are formed in the bottom plate, the longitudinal partition plate is inserted into the partition plate grooves, the longitudinal partition plate is located between the two web plates, and a top plate is detachably connected to the top ends of the web plate and the longitudinal partition plate. The bottom plate, the longitudinal partition plate and the web plate are matched to form the box girder with the cavity inside, the box girder is divided into multiple parts, the different parts are detachably assembled, separation transportation and field assembly are facilitated, and assembly and field construction are facilitated through matching of the groove blocks and connection of the bolts.

Description

technical field [0001] The invention relates to the field of bridge structures, in particular to a bridge steel structure box girder. Background technique [0002] In the field of bridge erection, box girders are mainly hollow beams, which are divided into reinforced concrete box girders and steel structure box girders. Steel structure box girders have the advantages of light weight, easy installation and good rigidity. [0003] Related technologies can refer to the Chinese patent application publication number CN111254805A, which discloses a component including: a bottom plate, a transverse diaphragm, a longitudinal diaphragm and a connecting steel frame assembly. The tops of the two inclined webs all have side plates extending horizontally to the outside. The first transverse steel frame and the second transverse steel frame in the connecting steel frame assembly are welded to the cross-welded transverse diaphragm and medial diaphragm, and the longitudinal supporting stee...

Claims

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Application Information

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IPC IPC(8): E01D2/04E01D19/00E01D19/08E01D101/30
CPCE01D2/04E01D19/00E01D19/083E01D2101/30
Inventor 李玉强杜崇磊杨孟晖李海鹏董晓曹庆波
Owner YANJIAN GRP CO LTD
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