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A double-deck steel box girder bridge installation method

An installation method and technology of steel box girder, applied in the direction of bridges, bridge construction, erection/assembly of bridges, etc., can solve the problems of interlayer influence, long cycle, complicated installation process, etc. The effect of process simplification

Active Publication Date: 2021-10-26
WUCHUAN HEAVY ENG
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0003] The invention provides a method for installing a double-layer steel box girder bridge, which solves the technical problems in the prior art that the installation process of a double-layer steel box girder bridge in a complex municipal environment is complicated, the cycle is long, and the layers affect each other

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  • A double-deck steel box girder bridge installation method

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Embodiment Construction

[0020] The embodiment of the present application provides a double-layer steel box girder bridge installation method to solve the technical problems of complex installation process, long period and mutual influence between layers in the prior art under the complex municipal environment; Efficient, high-quality, and low-cost installation of double-layer steel box girder bridges in complex scenes and with a small operating space.

[0021] In order to better understand the above technical solutions, the above technical solutions will be described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that the embodiments of the present invention and the specific features in the embodiments are detailed descriptions of the technical solutions of the present application. , rather than limiting the technical solutions of the present application, the embodiments of the present application and the technical features in...

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Abstract

The invention belongs to the technical field of steel structure bridge construction, and discloses a double-layer steel box girder bridge installation method, comprising: building a combined bracket with an upper bracket and a lower bracket; hoisting the main structure of the lower steel box girder, and fixing it on the on the lower bracket; hoist the main structure of the upper steel box girder and fix it on the upper bracket; hoist the cantilever of the upper steel box girder and fix it on the main body of the upper steel box girder; respectively weld the main structure of the upper steel box girder and the weld seam of the main structure of the lower steel box girder; unload the upper steel box girder; hoist the cantilever of the lower steel box girder and fix it on the main structure of the lower steel box girder; unload the main structure of the lower steel box girder. The installation method provided by the invention can simultaneously perform efficient and low-cost installation of a double-layer steel box girder bridge in a limited operating space in a municipal scene.

Description

technical field [0001] The invention relates to the technical field of steel structure bridge construction, in particular to a method for installing a double-layer steel box girder bridge. Background technique [0002] In the prior art, when municipal double-deck viaducts are installed, they are often installed in complex scenes such as municipal roads, and they are mostly supported by brackets, installed by cranes, and the method of layer-by-layer construction or layer-by-layer construction is limited by the operating space, and construction machinery cannot be used. And other problems lead to complex construction process, long period, high cost, and high labor intensity; at the same time, it is also easy to cause mutual influence between layers and damage the bridge. Contents of the invention [0003] The invention provides a method for installing a double-layer steel box girder bridge, which solves the technical problems in the prior art that the installation process of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01D21/00E01D2/04
CPCE01D2/04E01D21/00
Inventor 李朝阳李未龙雷佳园马根弟杨晓晓王泽明赵欣林宏
Owner WUCHUAN HEAVY ENG
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