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Multi-limb composite section pier system

A composite cross-section and pier technology, which is applied to bridges, bridge construction, bridge parts, etc., can solve the problems of disaster resistance and low ability to withstand extreme disasters, and achieve the best ability to resist extreme disasters, reduce disaster losses, and avoid collapse.

Active Publication Date: 2021-08-13
SHIJIAZHUANG TIEDAO UNIV
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The embodiment of the present invention provides a multi-leg composite cross-section pier system, which aims to solve the technical problems of the pier structure system in the prior art with low disaster resistance and low ability to withstand extreme disasters

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  • Multi-limb composite section pier system
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Embodiment Construction

[0053] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0054] Please also refer to Figure 1 to Figure 10 , the multi-leg composite cross-section bridge pier system provided by the present invention is now described. The multi-leg composite cross-section pier system includes a plurality of split-leg pier columns 1 and a plurality of connecting beam groups.

[0055] The plurality of limb pier columns 1 are all extended along the up and down direction, that is to say, two of the plurality of limb pier columns 1 are arranged in parallel.

[0056] The bottom ends of the split pier columns 1 are all used to be supported on ...

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Abstract

The invention provides a multi-limb composite section pier system. The multi-limb composite section pier system comprises a plurality of limb pier columns and a plurality of connecting beam sets. The plurality of limb pier columns are arranged between a bridge bearing platform and a main beam or a cover beam, the multiple connecting beam sets are arranged between the branch pier columns at intervals in the vertical direction and comprise multiple energy dissipation cross beams easy to replace, and each energy dissipation cross beam is connected between every two adjacent branch pier columns, thereby forming a supporting system is characterized in that an energy dissipation cross beam is arranged between every two adjacent branch pier columns. Under the action of horizontal loads generated by natural disasters such as earthquakes, the branch pier columns and the energy dissipation cross beams form a cooperative work whole due to the frame effect. The easy-to-repair energy-consuming cross beam firstly generates energy-consuming yield to form a first defensive line; under the extremely rare earthquake, the limb pier column can enter plasticity to form a second defense line, and the structure is prevented from collapsing. Compared with the existing bridge pier column, the multi-limb composite section pier system provided by the invention has better disaster resistance toughness and extreme disaster resistance.

Description

technical field [0001] The invention belongs to the technical field of bridge engineering, and in particular relates to a multi-leg composite cross-section bridge pier system. Background technique [0002] Most of the existing pier system sections are composed of independent sections. Under the action of extreme disasters such as earthquakes and tsunamis, only local deformation mechanisms can be used, the energy consumption efficiency is low, and the main body of the pier column is prone to damage, so it is impossible to realize the resilience and disaster resistance of rapid repair after disasters Target. [0003] In addition, the ability of the existing pier system to resist disasters needs to be further improved. For example, the traditional anti-seismic fortification goal of "not damaged by small earthquakes, repairable by moderate earthquakes, and not collapsed by major earthquakes" can no longer meet the needs of the rapid development of my country's national economy ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D19/02
CPCE01D19/02Y02A30/30
Inventor 郭进孙若津赵维刚陈伟王军文
Owner SHIJIAZHUANG TIEDAO UNIV
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