Inside and outside beam system bridge fabrication machine for small radius curve concrete box girder construction and construction method thereof

A technology of concrete box girder and small radius curve, which is applied in bridges, bridge construction, erection/assembly of bridges, etc., can solve problems such as difficulty in turning during construction and travel, and achieve the effect of convenient maintenance and simple operation.

Inactive Publication Date: 2008-07-02
CHINA MAJOR BRIDGE ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of this invention is to solve the problem that the bridge building machine is difficult to turn during the construction of small-radius curved bridges. Internal and external girder system bridge building machine for radius curve concrete box girder construction and its construction method

Method used

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  • Inside and outside beam system bridge fabrication machine for small radius curve concrete box girder construction and construction method thereof
  • Inside and outside beam system bridge fabrication machine for small radius curve concrete box girder construction and construction method thereof
  • Inside and outside beam system bridge fabrication machine for small radius curve concrete box girder construction and construction method thereof

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Experimental program
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Embodiment Construction

[0048] 1-10 , the bridge building machine is composed of an inner beam system, an outer beam system 2 , a template system 3 , a running system 4 , and an auxiliary structure 5 .

[0049] The inner beam system is composed of a steel box beam 1, a front nose frame 2, and a rear nose frame 3. The inner beam is supported on the front pier body 30 and the rear pier body 31. bolt butt,

[0050] External beam system: the double beam structure 4 is made of Bailey beam group, the front fulcrum is on the front joist 14, the middle fulcrum is the pier side corbel 33, and the rear fulcrum is hung on the cantilever end 29 through the end structure 34 and the hook beam 41 Above, the horizontal connection between the double beam structures 4 is composed of a front connecting gantry 5 and a rear connecting gantry 6 .

[0051] Formwork system: consists of bottom mold 7, wing mold 8, and side mold 9. Bottom mold 7 is on inner beam steel box girder 1, wing plate mold 8 and side mold 9 are on Ba...

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Abstract

A small-radius curve upper concrete box girder adopts a bridge fabrication machine with inner and outer girder systems, which relates to a construction device for small-radius curve continuous girder and a method thereof. The bridge fabrication machine consists of an inner and an outer girder systems, wherein the inner girder system includes a bottom die and is supported in a preformed groove on a pier top at both ends, connected with the cantilever end of a concrete box girder at the middle portion and arranged below the bottom plate of the concrete box girder; the outer girder system includes a side die and a wing die and is supported on the inner girder at the front end, supported on a cast concrete box girder at the rear end, supported on a bracket near the pier at the middle portion and arranged on both sides of the concrete box girder. The inner and the outer girder systems are independent from each other and supplement each other. During passing holes, the inner and the outer girder systems travel respectively in such a manner that the inner girder travels to the right position on the basis of the outer girder, and the outer girder longitudinally travels on the support and a track provided by the inner girder. The planar deflections of the inner and the outer girders are achieved by a hydraulic jack in the traveling process.

Description

technical field [0001] The invention relates to a construction device and a method for small-radius curved continuous beams of highways and railways. Background technique [0002] The conventional mobile formwork bridge building machine is mainly suitable for the construction of straight bridges or large radius curved bridges. The engineering practice of pouring small radius curved continuous beams is not common. This technology adopts the technology of combining internal and external beams to solve the problem of The problem of difficult steering in the construction of small radius curved bridges. It provides a new design idea for the bridge building machine in the construction of small radius curved bridges. SUMMARY OF THE INVENTION [0003] The purpose of the present invention is to solve the problem that the bridge building machine is difficult to turn in the construction of small radius curved bridges, and aims to provide a kind of installation requirement that can m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D21/10
Inventor 马涛李军堂贾卫中张瑞霞毛伟琦张维
Owner CHINA MAJOR BRIDGE ENG
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