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Large-wing bridge section

A section and bridge technology, applied in bridges, bridge parts, bridge construction, etc., can solve problems such as bridge deck width and landscape restrictions, and achieve excellent overall stability, wide bridge width, and full dynamic effects

Inactive Publication Date: 2012-12-12
中国市政工程西北设计研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the existing multi-chamber box girder and side main girder schemes are also integral bridge construction technologies, they are still limited in terms of bridge deck width and landscape

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Example 1 Figure 1 to Figure 3 Shown: A large wing-type bridge section, including box girder, is characterized in that: a single box is provided in the middle of the box girder section, and the single box is horizontally provided with two chambers. This embodiment is suitable for bridges with moderate widths. In the room along the box girder 1, there is an inner partition 2 in the longitudinal direction of the box girder 1. figure 2 Shown as 2×4, that is, eight box chambers 101, the two sides of the single box body are provided with large spread-wing T-shaped cantilever beams 3.

[0029] See figure 1 versus image 3 : The end of the large winged T-shaped cantilever beam 3 is provided with a post-cast small longitudinal beam 5 along the longitudinal direction of the bridge body to ensure the structural integrity and strengthen the stability of the bridge.

[0030] See Figure 4 versus Figure 5 : The large winged T-shaped cantilever beams 3 on both sides of the single box b...

Embodiment 2

[0033] Example 2 see Image 6 : This embodiment is suitable for bridges with a narrow width. A single box is provided in the middle of the box girder section, and the single box is provided with a chamber transversely; the rest is similar to the first embodiment.

[0034] Example 2 see Figure 7 : This embodiment is suitable for bridges with a wider width. A single box is provided in the middle of the box girder section, and the single box is horizontally provided with four chambers. The rest is similar to Example 1.

[0035] In the specific design, according to the width of the bridge, choose to design a single box room or multiple box rooms.

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Abstract

The invention discloses a large-wing bridge section. The large-wing bridge section comprises a box girder. A single box is arranged in the middle of the box girder section. The single box is provided with a single chamber or multiple chambers transversely. Chamber partitions are longitudinally disposed in the single chamber or the multiple chambers and divide the longitudinal single chamber or multiple chambers of the box girder into standard-segmented multiple chambers. Large-wing T-shaped outriggers are arranged on two sides of the single box and are triangular-section plates. The end of each large-wing T-shaped outrigger is provided with a post-cast small longitudinal beam in the longitudinal direction of a bridge body. By the aid of the full large-wing bridge section, piers can be reduced, space under the bridge is through, and landscape is effective. The large-wing bridge section is high in structural integrity, high in rigidity, and high in riding comfort. The large-wing bridge section can fully meet the requirements of people for larger bridge width, higher bridgescape and higher riding comfort and is widely applicable to construction of urban bridges.

Description

Technical field [0001] The invention belongs to the technical field of bridge engineering construction, and specifically relates to a large-winged bridge section. Background technique [0002] With the rapid economic development, the width of the bridge is required to be wider and wider, and the requirements for the bridge landscape are also getting higher and higher. Regarding wide bridges, currently commonly used methods mainly include plane separation systems, upper and lower separation systems, multi-chamber box beams or side main beams and other technical solutions. The plane separation system divides the entire bridge into several relatively narrow bridges that are independent of each other laterally. Each bridge is independent from the foundation to the cap, pier, and then to the bridge deck, that is, the structure is separated. The structure of this system The form design is simple, but when the bridge width is wide, there are too many lateral piers, and the bridge lands...

Claims

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Application Information

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IPC IPC(8): E01D19/00
Inventor 朱安静陈亨锦吴靖云孙红丰谢小韬
Owner 中国市政工程西北设计研究院有限公司
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