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Steel box type composite beam forming method

A forming method and technology of composite beams, which are applied in bridges, bridge construction, erection/assembly of bridges, etc., can solve problems such as the deformation of the bottom box of the force-transmitting tendon, and achieve the effects of light transportation and installation, material saving, and rapid assembly and construction

Active Publication Date: 2013-11-27
邢台路桥千山桥梁构件有限责任公司
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Problems solved by technology

[0009] The technical problem to be solved by the present invention is to provide a forming method of a steel box composite beam, by adopting split processing of the bottom box, using plug welding technology and anti-deformation technology to effectively solve the positioning of the force transmission rib and the deformation of the bottom box, etc. problems, and by rationally adjusting the production process, the prefabrication production efficiency of steel-concrete composite bridges has been improved

Method used

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  • Steel box type composite beam forming method
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  • Steel box type composite beam forming method

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Embodiment Construction

[0069] A forming method of a steel box type composite beam, the structure of the composite beam includes a top plate, a corrugated plate and a bottom box. The processing method of the steel box-type composite beam includes blank cutting and pretreatment in the early stage, processing procedures of the bottom box, processing procedures of the corrugated plate, processing procedures of the top plate, and a welding procedure. Specific steps include:

[0070] A. Uncoil and level the steel coil, and cut it into equal-length bottom box bottom plate blanks, bottom box top plate blanks, corrugated web plate blanks and top plate blanks for forming the bottom box according to the design size; use an uncoiler, leveling The steel coil is unrolled, roughly calibrated and finely calibrated into a steel plate with flatness that meets the requirements, and transported to the cutting station by the roller conveying equipment. According to the design requirements, the steel coil is cut longitud...

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Abstract

Disclosed is a steel box type composite beam forming method. A split type processing method is utilized in a bottom box and a plug welding technology and an anti-deformation technology are utilized to effectively solve the problems of positioning of force transmission ribs, deformation of the bottom box and the like, and the prefabrication efficiency of steel-concrete composite bridges is improved by reasonably adjusting production processes. The adopted technical scheme of the steel box type composite beam forming method comprises utilizing steel plates as raw materials, leading the raw materials to be subjected to top plate forming, bottom box forming and wave plate forming, and performing assembling and welding to form a prefabricated steel box type composite beam. According to the steel box type composite beam forming method, assembly line production is utilized and large-scale processing and assembling of bottom boxes can be achieved in factories.

Description

technical field [0001] The invention relates to a processing method of a box girder structure, in particular to a forming method of an assembled steel box composite girder suitable for industrial processing and stable in structure. Background technique [0002] Concrete bridges conform to the requirements of the last century and play a pivotal role in bridge construction. To a certain extent, they meet the needs of social and economic development for transportation facilities, improve the living environment, and promote economic growth. effect. However, there are many defects in the construction of concrete bridges, the most important of which are two points: [0003] ① It consumes a huge amount of sand, stone and cement, and the production of cement and aggregate and the large amount of construction waste generated have paid a huge environmental protection price; [0004] ② Concrete bridges frequently suffer from diseases and the durability of concrete structures is poor....

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Application Information

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IPC IPC(8): E01D2/04E01D21/00B23P15/00
Inventor 李来宾郑会玺马朝波石英杰司魁王珑赵志斌
Owner 邢台路桥千山桥梁构件有限责任公司
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