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A hanging basket for multi-truss super-wide bridge construction

A bridge construction, ultra-wide technology, applied in the direction of erecting/assembling bridges, bridges, bridge construction, etc., can solve the problems of reduced bridge construction accuracy, difficulty in guaranteeing the stability of the hanging basket structure, and different stress, and improve the structural stability. sexual effect

Active Publication Date: 2016-08-24
NO 3 ENG CO LTD OF CCCC THIRD HARBOR ENG CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the splicing and closing process of the left and right sides of the bridge, due to their independence from each other, it is difficult to ensure good linear control of the bridge, which leads to a decrease in the construction accuracy of the bridge
At the same time, the main truss system of the hanging basket in the prior art often uses multiple identical main trusses, and in bridges, the stress of each part is different, especially for bridges with a beam width of more than 40m, the existing Hanging basket, the same main truss structure makes it difficult to guarantee the structural stability of the hanging basket, and it is difficult to control the construction process, construction safety, and cost control

Method used

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  • A hanging basket for multi-truss super-wide bridge construction
  • A hanging basket for multi-truss super-wide bridge construction
  • A hanging basket for multi-truss super-wide bridge construction

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] like figure 1 and figure 2 A hanging basket for multi-truss super-wide bridge construction is shown, which is composed of a main truss system, a formwork system and a suspension walking system. The bridge beam body includes at least two box girders, and the upper end of the box girder is set There are flange plates 5 extending out along the width direction of the hanging basket. The overall width of the multi-truss type ultra-wide bridge construction hanging basket is not less than the width of the bridge beam body 1, and the center line in the width direction coincides with the width center line of the bridge beam body 1; the multi-truss type ultra-wide bridge The main truss system in the construction hanging basket is provided with a plurality of main trusses, and the plurality of main trusses are independent of each other.

[0028] In the hanging basket for multi-truss type ultra-wide bridge construction, the main truss system includes three upper beams 2 and lowe...

Embodiment 2

[0040] In the hanging basket for the multi-truss type ultra-wide bridge construction, the formwork system includes an outer form, a side form 14, a bottom form 15 and a top form 16; Outside the end face, and it extends between the lower end face of the box girder flange plate 5 in the bridge girder body 1 and the upper end face of the lower beam 3; the outer mold includes an inner outer mold 17 arranged on the opposite side of the box girder in the bridge girder body , and the outer outer mold 18 that is arranged on the opposite side of the box girder in the bridge girder body 1; the inner outer mold 17 and the outer outer mold 18 are all made of a plurality of section steels that are arranged horizontally and vertically; the side mold 14 is arranged on the beam The body 1 is above the end surface of the box girder body in the width direction of the hanging basket, and extends along the end surface of the box girder body; the bottom mold 15 and the top mold 16 are respectively ...

Embodiment 3

[0045] The suspension walking system is composed of an outer mold sliding beam 21, a suspender 22 and a walking sliding beam 23; the outer mold sliding beam 21 is connected with the outer outer mold 18 in the formwork system; the suspension rod 22 is arranged on the bottom Between the mold 15 and the top mold 16, it is perpendicular to the horizontal direction, and is fixedly connected with the bottom mold 15 and the top mold 16; The walking glide beam 23 and the outer mold glide beam 22 both extend along the bridge width direction and form a certain angle with the horizontal plane.

[0046] As another improvement of the present invention, the two ends of the multi-truss type ultra-wide bridge construction hanging basket in the width direction of the hanging basket are provided with a distance of not less than 2m compared to the two ends in the width direction of the bridge. extension, which facilitates construction on the edge of the bridge.

[0047] The remaining features a...

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Abstract

The invention relates to a multi-truss type hanging basket for super-wide type bridge construction. The multi-truss type hanging basket consists of a main truss system, a template system and a suspension walking system, wherein a bridge girder body internally comprises at least two box girders; an extending flange plate is arranged on the upper end face of each box girder. The total width of the multi-truss type hanging basket for the super-wide type bridge construction is greater than or equal to the width of the bridge girder body; a center line of the hanging basket in a width direction is overlapped to a center line of the bridge girder body in the width direction. In the multi-truss type hanging basket for the super-wide type bridge construction, a plurality of main trusses are arranged in the main truss system; the main trusses are independent mutually. According to the multi-truss type hanging basket for the super-wide type bridge construction using the technical scheme, a multi-truss structure can ensure that left and right amplitudes of a bridge can be simultaneously and symmetrically constructed through an entire space design, so as to provide beneficial conditions for linear control of the bridge.

Description

technical field [0001] The invention relates to bridge construction equipment, in particular to a multi-truss type ultra-wide hanging basket for bridge construction. Background technique [0002] With the continuous improvement of people's functional requirements for bridges and the construction technology of bridges, the beam width of existing bridges has reached 30-40m. In the process of bridge construction, the hanging basket is the main equipment in the cantilever construction of the bridge. For the above-mentioned wide beam bridge, in the prior art, independent hanging baskets are often set up on the left side of the bridge and the right side of the bridge, and they are carried out separately. construction. In the splicing process of the left and right sides of the bridge, due to their independence from each other, it is difficult to ensure good linear control of the bridge, which leads to a decrease in the construction accuracy of the bridge. At the same time, the ma...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01D21/10
Inventor 蒋建荣王榴斌朱以刚吴轶群桂成农
Owner NO 3 ENG CO LTD OF CCCC THIRD HARBOR ENG CO LTD