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Shock absorption support for bridge

A technology for shock absorption bearings and bridges, which is applied in the field of bridge shock absorption, and can solve the problems of single energy consumption direction of shock absorption bearings and inability to achieve energy consumption.

Active Publication Date: 2020-04-10
河南中交路通工程监理咨询有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem to be solved by the present invention is that the energy consumption direction of the existing bridge damping bearings is single, and energy consumption under multi-stage earthquakes cannot be realized.

Method used

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  • Shock absorption support for bridge
  • Shock absorption support for bridge
  • Shock absorption support for bridge

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Embodiment Construction

[0039] The present invention will be further described below in conjunction with drawings and embodiments.

[0040] Such as figure 1 , 2 As shown, a bridge damping bearing is provided between the upper bridge structure 1 and the lower bridge structure 2 . The vibration-absorbing support for the bridge includes a support structure and a multi-directional energy dissipation system.

[0041] The support structure includes an upper support plate 3, a middle support plate 4 and a lower support plate 5; the upper support plate 3 is fixedly connected to the lower surface of the upper bridge structure 1, the lower support plate 5 is fixedly connected to the upper surface of the lower bridge structure 2, and the middle support A plate 4 is arranged between the two.

[0042] The multi-directional energy dissipation system is formed by cooperation of sliding rod energy dissipation elements, eddy current damping elements and mild steel damping elements.

[0043]The sliding rod energy ...

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Abstract

A shock absorption support for a bridge is located between an upper bridge structure (1) and a lower bridge structure (2) and comprises a supporting structure and a multidirectional energy dissipationsystem. The supporting structure comprises an upper supporting plate (3) fixedly connected with the upper bridge structure (1), a lower supporting plate (5) fixedly connected with the lower bridge structure (2) and a middle supporting plate (4) arranged between the upper supporting plate (3) and the lower supporting plate (5). The multidirectional energy dissipation system is formed by matching asliding rod energy dissipation element, an eddy current damping element and a soft steel damping element. The sliding rod energy dissipation element is arranged between the upper supporting plate (3)and the middle supporting plate (4). The eddy current damping element and the soft steel damping element are arranged between the middle supporting plate (4) and the lower supporting plate (5). The shock absorption support for the bridge can achieve multi-stage and multi-direction energy dissipation, and the anti-seismic property of the bridge is improved.

Description

technical field [0001] The invention relates to the field of bridge damping, in particular to a bridge damping bearing. Background technique [0002] The development of bridge bearings in China began in the 1960s. On the basis of traditional steel bearings, plate rubber bearings, pot rubber bearings and spherical steel bearings have been developed successively, and have been widely used in road and railway bridges. application. However, the design of the support at that time adopted the concept of "static design", and only relied on increasing the structural size of the support itself to resist the earthquake force. This method was not good for the support itself or the force on the pier. [0003] In order to improve the seismic performance of bridge bearings, since the 1980s, some shock-absorbing and seismic-isolation bearings have been used successively on highway and railway bridges in our country. Common anti-seismic bearings include anti-seismic basin rubber fixed bea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D19/00E01D19/04
CPCE01D19/00E01D19/04
Inventor 杜操叶斌徐桂华余子兵景路阁耿莹莹焦志霞刘迪孟森熊卓品
Owner 河南中交路通工程监理咨询有限公司
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