Combined ultra-elastic overlapping multi-bending-plate vibration reduction energy consumption device for self anchoring suspension cable bridge

A technology of self-anchored suspension bridges and energy-dissipating devices, which is applied in the direction of suspension bridges, bridges, bridge forms, etc., can solve the problems of stiffening beams bearing large axial forces, and achieve the effect of solving axial pressure and reducing damage

Inactive Publication Date: 2016-06-29
BEIJING UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This solves the problem that the stiffened beam of the self-anchored suspension bridge

Method used

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  • Combined ultra-elastic overlapping multi-bending-plate vibration reduction energy consumption device for self anchoring suspension cable bridge
  • Combined ultra-elastic overlapping multi-bending-plate vibration reduction energy consumption device for self anchoring suspension cable bridge
  • Combined ultra-elastic overlapping multi-bending-plate vibration reduction energy consumption device for self anchoring suspension cable bridge

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Example Embodiment

[0031] Example 1:

[0032] The specific embodiments of the present invention will be described in detail below with reference to the drawings.

[0033] Such as figure 1 Shown is the combined super-elastic laminated multi-bending plate vibration damping and energy-consuming device of the present invention, which mainly includes laminated multi-bending plate 1, U-shaped bolt 2, bolt rod 3, nut 4, welding spring 5, vibration reduction and damping Device 6, welded rod 7, fixed steel plate 8, fixed steel frame 9, self-anchored suspension bridge 10, suspension bridge stiffening beam 11, approach bridge section 12.

[0034] The main span of a self-anchored suspension bridge is 50m, the side span is 15m, the two approach sections are 10m, and the total span of the suspension bridge is 100m. The width of the suspension bridge is 15m, the spacing between the suspenders is 5m, and the total height of the pylons is 20m, of which the upper pylon is 10m high and the lower pylon is 10m high. The ...

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Abstract

The invention discloses a combined ultra-elastic overlapping multi-bending-plate vibration reduction energy consumption device for a self anchoring suspension cable bridge. The device is the combined ultra-elastic overlapping multi-bending-plate vibration reduction energy consumption device; certain energy consumption capability is realized in earth quake or under the condition of normal load, so that the bridge damage degree can be reduced; the device belongs to the technical field of shock resistance and shock reduction. The device is applied to the self anchoring suspension cable bridge, and can meet the carrying force and intensity requirements under the power load effects of the normal wind load, vehicle running, braking and the like; certain energy consumption capability is realized; the energy consumption can be realized in great earthquake; along with the external stimulation increase, the device can generate the ultra-elastic deformation; the integral effective rigidity of the self anchoring suspension cable bridge is effectively improved. Therefore the problem that a reinforcing beam of the self anchoring suspension cable bridge bears great axial pressure is solved.

Description

technical field [0001] The invention relates to a combined structure that can not only realize the energy dissipation capacity but also improve the rigidity of the main girder of the suspension bridge on the self-anchored suspension bridge, which can meet the requirements of bearing capacity and strength structure in the normal state of wind, driving and braking , has sufficient energy dissipation performance in earthquakes, and can provide sufficient stiffness to the stiffening girder (main girder) of the suspension bridge under rare earthquakes, slowing down the damage of the self-anchored suspension bridge, which belongs to the wind resistance, earthquake resistance and The field of shock absorption technology. Background technique [0002] In recent years, due to the frequent occurrence of earthquakes and other natural disasters, there has also been a huge threat to the bridge. When an earthquake occurs, as the seismic wave propagates to the foundation, the bridge found...

Claims

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Application Information

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IPC IPC(8): E01D11/02
CPCE01D11/02
Inventor 何浩祥王文涛解鑫张小福
Owner BEIJING UNIV OF TECH
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