Technique for replacing supporters for continuous beam without breaking off traffic

A bearing and technology technology, which is applied in the field of continuous beam replacement and replacement of bearings, can solve the problems of economic loss and immeasurable social impact.

Active Publication Date: 2005-11-16
河北道桥工程检测有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the traffic volume of each expressway is very large, and if the traffic is interrupted for a day or two, it will bring great pressure to the owners, road administration and traffic police.
If the project lasts for a period of time, the economic loss and social impact will be immeasurable

Method used

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  • Technique for replacing supporters for continuous beam without breaking off traffic
  • Technique for replacing supporters for continuous beam without breaking off traffic
  • Technique for replacing supporters for continuous beam without breaking off traffic

Examples

Experimental program
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Effect test

Embodiment Construction

[0023] Referring to Fig. 1 and Fig. 2, 1 is a support, 2 is a main jack, 3 is a cover beam, 4 is the bottom of a beam slab, 5 is a jack working platform, 6 is a bridge pier, and 7 is a sleeve type jacking frame.

[0024] Referring to Fig. 3, Fig. 4, 1 is bearing, and 8 is thin jack, and all the other labels are the same.

[0025] see Figure 5 10,11,13 are steel plates, 12 are channel steel, and 14 are triangular rib steel plates, which are welded structures; 9 are connecting screw rods; jacks are put on the steel plate 13;

[0026] see Figure 6 16 is a flange, 17 is a steel plate, 18 is an angle steel hoop, and 19 is a channel steel (4 roads are established for each tube), and the sleeve is provided with sand adding 20, and 21 is a base plate flange.

[0027] see Figure 7 , 22 is the same fixed bar for scaffolding.

[0028] see Figure 8 , 23 is a horizontal U-shaped hoop, which hoops the entire beam body together, and at the same time, a temporary spacer is set between...

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Abstract

The present invention relates to a continuous bridge bearing replacement technique under the condition of non-stopping traffic, beloning to the method for maintaining and strengthening existent bridge or field of its equipment technology. It is characterized by that it adopts a multipoint synchronous jack up control equipment to make the whole continuous bridge system be synchronously lifted under the action of large multipoint jack-up force, and can simultaneously replace old bearings of bridge with new bearings of bridge.

Description

technical field [0001] The invention belongs to the technical field of methods or equipment for repairing or strengthening existing bridges, and in particular relates to a method for continuously changing supports of continuous beams. Background technique [0002] Because rubber bearings have obvious advantages over other forms of bearings, rubber bearings are generally used in bridges currently built. However, with the increase of the service life and the increase of traffic volume, coupled with reasons such as improper design and construction, aging and heavy traffic, some bearings have failure deformation, pressure failure or shear failure, etc. It makes bearing damage a common disease in bridge maintenance. The current commonly used construction method for bearing replacement is to lift up the beam slab with an ordinary jack, remove the damaged bearing, and relocate the new bearing. Recently, some projects have adopted a relatively advanced synchronous jacking construc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D22/00
Inventor 陈秋波郝风朝赵亚克史志瑞
Owner 河北道桥工程检测有限公司
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