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W-shaped pier

A bridge pier and pier body technology, applied in the field of W-shaped bridge piers, can solve problems such as unfavorable material saving and cost control, difficult construction of Y-shaped single-column piers, unfavorable urban traffic planning, etc., to achieve reasonable force, good effect, and structural simple effect

Pending Publication Date: 2020-06-23
CHINA RAILWAY ERYUAN ENG GRP CO LTD
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Problems solved by technology

[0004] The purpose of the present invention is to: the Y-shaped single-column pier used for wide girder bridges in the prior art is difficult to construct, which is not conducive to material saving and cost control. At the same time, the three-column pier requires more land under the bridge, which is not conducive to the The problem of urban traffic planning, providing a W-shaped pier

Method used

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Examples

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Embodiment

[0026] like Figure 3-4 As shown, the designed total length of a certain bridge is 1742.10m, and the main bridge is a steel box cable-stayed bridge. The span layout of the whole bridge is: 9×40.0m (approach bridge)+(72.5+203+522+203+42.5)m (main bridge)+8×40.m (approach bridge)=1743.3m. Among them, the length of the main cable-stayed bridge is 1043m, and the span layout is: (72.5+203+522+203+42.5)m.

[0027] The total width of the bridge deck is 63.9m, and a total of four-line railway and six-lane road are set up. The main girder of the main bridge adopts steel box girder and channel steel-concrete composite girder. Beam 02 is a channel-shaped steel-concrete composite beam with a width of 15m. The main bridge adopts reinforced concrete diamond-shaped cable towers, the stay cables are arranged according to the spatial double-cable plane, and the approach bridge adopts a W-shaped pier according to the present invention.

[0028] like image 3 As shown, the W-shaped bridge pi...

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Abstract

The invention discloses a W-shaped pier. The W-shaped pier comprises an upper pier body, a lower pier body and a bent cap; the upper pier body is W-shaped; the top of the upper pier body is connectedwith the bent cap; the bottom of the upper pier body is connected with the lower pier body; the lower pier body is a double-column pier. According to the W-shaped pier, the upper pier body on the upper portion of the W-shaped pier is W-shaped and can better adapt to arrangement of the support of a wide-body beam bridge; cantilever arms are short, so that stress is reasonable, and therefore, the defects of a traditional Y-shaped single-column pier in the wide-body beam bridge are effectively overcome, and construction is convenient; the upper pier body has a cavity, so that materials are saved;meanwhile, the lower pier body of the lower portion of the W-shaped pier is a double-column pier, and compared with a three-column pier or large-size pier body design adopted by a traditional wide-body beam bridge, such a structure can assist in saving land under the bridge and reducing construction cost. The W-shaped pier is simple in structure, convenient to manufacture and good in effect.

Description

technical field [0001] The invention relates to the field of bridges, in particular to a W-shaped bridge pier. Background technique [0002] Bridges are the lifeline of traffic. With the rapid development of the national economy, the traffic flow has increased sharply. The construction of high-speed railways, expressways, urban municipal roads and urban rail transit, and more and more bridges use roads, railways (rail transit) Joint construction has brought huge challenges to the construction of urban bridges. In the design process, while satisfying the stress, not only the influence of limited land resources needs to be considered, but also various types of underground pipelines and various buildings and structures in the city need to be avoided. Therefore, how to effectively optimize the structural form of bridge piers is the It has become an indispensable content in bridge design to meet the needs of traffic under the bridge while ensuring the beautiful appearance of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D19/02
CPCE01D19/02
Inventor 王应良王亮任万敏袁明梁春明王玉珏宿智利李秀华汤旻雨
Owner CHINA RAILWAY ERYUAN ENG GRP CO LTD
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