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Support-free construction process for steel-concrete composite beam

A construction technique and technology without support, which is applied in the direction of bridges, bridge construction, erection/assembly of bridges, etc., can solve the problems of complex structure of construction devices without support, increase the burden of temporary support foundation, endanger the safety of the whole bridge, etc., and achieve light weight, The effect of reducing construction costs and reducing impacts

Active Publication Date: 2020-05-08
HENAN PROVINCIAL COMM PLANNING & DESIGN INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing construction device without support has a complex structure and a large volume; it is difficult to locate when assembling the hoisting beam section and the installed beam section; it is easy to increase the burden of the temporary support foundation when supporting the assembled bridge; when there are vehicles passing under the bridge, Temporary supports adjacent to the carriageway are at risk of being hit and endangering the safety of the entire bridge

Method used

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  • Support-free construction process for steel-concrete composite beam
  • Support-free construction process for steel-concrete composite beam
  • Support-free construction process for steel-concrete composite beam

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Embodiment Construction

[0024] The embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. This embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the scope of protection of the present invention is not limited to the following Described embodiment.

[0025] Such as figure 1 In the bridge shown, the left and right ends are the installed beam section L1 and the installed beam section L2, the middle is the hoisting beam section L3 hoisted by cranes and other equipment, the hoisting beam section L3 and the installed beam section L1, and the installed beam section L2 The assembly surfaces are M1 and M2 respectively. When installing the hoisting beam section L3, the steel-concrete composite beam without support construction process described in the present invention is adopted. In the following, the assembling surf...

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Abstract

The invention discloses a support-free construction process for a steel-concrete composite beam. The support-free supporting device which is simple in structure, accurate in positioning, light in weight, small in size and convenient to construct is used, an assembled bridge can be firmly supported, subsequent beam section connection, steel formwork installation, concrete slab reinforcing steel barbinding, bridge deck slab pouring, bridge deck pavement and other work can be conveniently carried out, and the influence on road traffic is effectively reduced; and meanwhile, parts such as the pulley and the steel cable can be repeatedly utilized, so that the construction cost is further reduced.

Description

technical field [0001] The invention relates to the technical field of bridge installation, in particular to a construction technique of a steel-concrete composite beam without supports. Background technique [0002] The steel-concrete composite girder bridge has the advantages of light weight, high rigidity, strong spanning ability and fast construction speed, and has broad development prospects. Existing steel-concrete composite girder bridges are usually prefabricated steel box girder segments in the factory, then transported to the site, and then spliced ​​on the scaffolding and other supports erected on site. When the bridge crosses a river ditch or the traffic volume under the bridge is large, scaffolding cannot be erected due to limited conditions, and a scaffold-free construction process is required to avoid or reduce the interaction between bridge construction, road traffic under the bridge, and limited space. When carrying out construction without support, after t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D21/00
CPCE01D21/00
Inventor 裴祥远郭富张奇伟刘慧敏康健乔玲玲贾春光牛丽娜董迎亚韩苍伟刘中原徐婷婷张珂耿可龙
Owner HENAN PROVINCIAL COMM PLANNING & DESIGN INST CO LTD
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