A method of using magnetic fluid to enhance the performance of bridges against external loads

A magnetic fluid and bridge technology, applied in the direction of bridges, bridge construction, bridge parts, etc., can solve the problems of difficult reset and poor effect, and achieve the effect of avoiding stress concentration area, increasing contact area and uniform force

Active Publication Date: 2020-05-26
重庆固桥智能科技研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a method of using magnetic fluid to enhance the performance of bridges against external loads, which can solve the problems of difficult reset and poor effect of existing bridge anti-seismic devices after use, and use the attraction force generated by magnetic fluid to limit bridge movement And help the bridge reset, the steps are simple and easy to implement

Method used

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  • A method of using magnetic fluid to enhance the performance of bridges against external loads
  • A method of using magnetic fluid to enhance the performance of bridges against external loads
  • A method of using magnetic fluid to enhance the performance of bridges against external loads

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Effect test

Embodiment 1

[0027] Such as figure 1 and figure 2 As shown, a method of using magnetic fluid to enhance the performance of bridges against external loads, the method includes the following steps:

[0028] Step 1: A support groove containing three concave bodies 10 is provided on the support end surface of the bridge support 8 connected to the bridge span 9, and the bridge span end surface where the bridge span 9 matches the bridge support 8 A protruding member matching with the support groove is arranged on the top;

[0029] Step 2: splicing the support groove on the end surface of the support and the protruding member on the end surface of the bridge to form a closed magnetic fluid space 5, and the magnetic fluid space 5 is filled with magnetic fluid 1;

[0030] Step 3: setting a magnetized steel plate 3 matching the concave body 10 of the support groove at the bottom of the support groove;

[0031] Step 4: At least one deck groove is set on one side of the bridge deck 11 of the bridg...

Embodiment 2

[0035] Such as image 3 and Figure 4 As shown, a method of using magnetic fluid to enhance the performance of bridges against external loads, the method includes the following steps:

[0036] Step 1: A support groove containing three concave bodies 10 is provided on the support end surface of the bridge support 8 connected to the bridge span 9, and the bridge span end surface where the bridge span 9 matches the bridge support 8 A protruding member matching with the support groove is arranged on the top;

[0037] Step 2: splicing the support groove on the end surface of the support and the protruding member on the end surface of the bridge to form a closed magnetic fluid space 5, and the magnetic fluid space 5 is filled with magnetic fluid 1;

[0038] Step 3: setting a magnetized steel plate 3 matching the concave body 10 of the support groove at the bottom of the support groove;

[0039] Step 4: At least one deck groove is set on one side of the bridge deck 11 of the bridg...

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Abstract

The invention provides a method for reinforcing external load resistance of a bridge by using a magnetic fluid. The method comprises the following steps that step 1, support grooves are formed in theend faces of supports, and protruding members are arranged on the end faces of bridge spans; step 2, the support grooves in the end faces of the supports are spliced with the protruding members on theend faces of the bridge spans to form closed magnetic fluid space; step 3, magnetized steel plates matched with concave bodies of the support grooves are arranged; step 4, bridge deck grooves are formed, and bridge deck protrusions are arranged; step 5, two bridge decks of two bridge spans are spliced through the bridge deck grooves and the bridge deck protrusions, splicing seams formed after splicing are filled with the magnetic fluid, and it is achieved that the external load resistance of the bridge is reinforced by using the magnetic fluid. The method for reinforcing the external load resistance of the bridge by using the magnetic fluid has the advantages can solve the problem that an existing bridge anti-seismic device has difficulty in resetting after use and poor effect, and can utilize the attraction generated by the magnetic fluid to limit the movement of the bridge and help the bridge to be reset.

Description

technical field [0001] The invention relates to the technical field of anti-seismic bridges, in particular to a method for enhancing the performance of a bridge against external loads by utilizing magnetic fluid. Background technique [0002] Bridges will have large displacements under severe external load vibrations. Most of the existing technologies use rigid structures to limit their movement. However, rigid structures require high strength. Not only is the effect insignificant, but the construction cost is high. It is not easy to repair, and some devices are more complicated in design, and the construction is time-consuming and laborious. In the prior art, flexible measures are also used to enhance the performance of bridges against external loads. Usually, the bridge supports are improved, and rubber or springs are often used to make dampers on the supports. However, the above methods will cause unreliable force transmission and damping distribution. The problem of une...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01D21/00E01D19/04E01D19/12
CPCE01D19/04E01D19/125E01D21/00
Inventor 刘杰张罗送李莉申晶李洪亚孙涛黎照高素芳谢晓康唐宏宇
Owner 重庆固桥智能科技研究院有限公司
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