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A suspension bridge suspension cable vibration reduction system

A vibration damping system and suspension bridge technology, applied in suspension bridges, bridges, bridge construction, etc., can solve problems such as poor vibration damping effect, achieve good vibration damping effect, reduce the impact of aesthetics, and reduce the effect of mental burden

Active Publication Date: 2022-08-05
HUNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a suspension bridge suspension cable vibration damping system for the problem that existing suspension bridges have poor vibration suppression effects by adopting measures to increase damping in the prior art

Method used

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  • A suspension bridge suspension cable vibration reduction system
  • A suspension bridge suspension cable vibration reduction system
  • A suspension bridge suspension cable vibration reduction system

Examples

Experimental program
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Effect test

Embodiment 1

[0049] like Figure 1-9 As shown, a suspension bridge suspension cable vibration reduction system described in this embodiment includes a main cable 1, a bridge tower 7 and a suspension cable 6. The suspension cable 6 is connected to the main cable 1 through a cable clamp 2, and also includes an oblique auxiliary The cable 8 and the longitudinal auxiliary cable 3 arranged in the longitudinal direction of the bridge have an included angle A between the oblique auxiliary cable 8 and the longitudinal auxiliary cable 3, and A is (0°, 90°), wherein,

[0050] One end of the longitudinal auxiliary cable 3 is connected to the bridge tower 7 , the other end of the longitudinal auxiliary cable 3 is connected to the main cable 1 , and the longitudinal auxiliary cable 3 is connected to at least one of the suspension cables 6 connected by a rigid divider 4;

[0051] One end of the oblique auxiliary cable 8 is connected with the bridge tower 7, the other end of the oblique auxiliary cable ...

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Abstract

The invention relates to the field of suspension bridge vibration reduction, in particular to a suspension bridge suspension cable vibration reduction system, which includes oblique auxiliary cables and longitudinal auxiliary cables arranged longitudinally along the bridge. One end of the auxiliary cable is connected with the bridge tower, the other end of the longitudinal auxiliary cable is connected with the main cable, the longitudinal auxiliary cable is connected with at least one hanging cable through a rigid partition frame; one end of the oblique auxiliary cable is connected with the bridge tower, The other end of the oblique auxiliary cable is connected with the main cable, and the oblique auxiliary cable is connected with at least one rigid partition frame. In the suspension bridge suspension cable vibration reduction system of the present application, the whole formed by the main cable, the suspension cable, the longitudinal auxiliary cable and the oblique auxiliary cable should be able to deform a small amount through its own flexibility to meet the use deformation requirements of the suspension bridge. There will be no large deformation as a whole, so that the overall vibration of the suspension cable can be more effectively controlled, so as to achieve a better vibration suppression effect on the suspension bridge.

Description

technical field [0001] The invention relates to the field of suspension bridge vibration reduction, in particular to a suspension bridge suspension cable vibration reduction system. Background technique [0002] Suspension bridges have outstanding spanning capacity, superior seismic performance and beautiful appearance. With the rapid development of science and technology, suspension bridges have gradually become the first choice for large-span bridges. [0003] A suspension bridge is a flexible suspension system composed of stiffening beams, main cables, suspension cables, bridge towers, saddles and anchors. like figure 1 As shown, its main structure is: the main cable 1, the suspension cable 6 and the bridge tower 7, wherein the suspension cable 6 is used as the main force-bearing member of the suspension bridge, such as figure 2 As shown, the upper end of the sling 6 is connected to the main cable 1 through the cable clip 2, and the lower end of the sling 6 is fixed to...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01D19/16E01D11/02E01D19/00
CPCE01D19/16E01D11/02E01D19/00
Inventor 李寿英王园园陈政清
Owner HUNAN UNIV
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