CN214993004U - Be applied to structural joint auxiliary device of box bridge - Google Patents
Be applied to structural joint auxiliary device of box bridge Download PDFInfo
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- CN214993004U CN214993004U CN202120627829.XU CN202120627829U CN214993004U CN 214993004 U CN214993004 U CN 214993004U CN 202120627829 U CN202120627829 U CN 202120627829U CN 214993004 U CN214993004 U CN 214993004U
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Abstract
The utility model discloses a structural joint auxiliary device applied to a box-shaped bridge, which comprises a groove-shaped steel plate, wherein the groove-shaped steel plate comprises a steel plate main body groove, a left side branch guard plate is arranged at the middle position of the upper end edge of a left side plate of the steel plate main body groove, and a right side branch guard plate is arranged at the middle position of the upper end edge of a right side plate of the steel plate main body groove; the part of the left side plate of the steel plate main body groove is positioned on the front end side of the left side branch guard plate, the part of the right side plate of the steel plate main body groove is positioned on the front end side of the right side branch guard plate is respectively a front side bridge connecting part, the part of the left side plate of the steel plate main body groove is positioned on the rear end side of the left side branch guard plate, and the part of the right side plate of the steel plate main body groove is positioned on the rear end side of the right side branch guard plate is respectively a rear side bridge connecting part, and bridge connecting holes which completely penetrate through are respectively formed in each front side bridge connecting part and each rear side bridge connecting part. The utility model has the advantages of novel in design, simple structure, construction convenience, and can realize being applied to box bridge with ECC-FRP high pliability structure seam device.
Description
Technical Field
The utility model relates to a bridge construction technical field especially relates to a be applied to structural joint auxiliary device of box bridge.
Background
In order to meet the requirements for deck deformation during bridge construction, structural joint means are usually provided between the two beam ends, between the beam ends and the abutment or at the hinge points of the bridge, for adjusting the displacement and the coupling between the superstructure caused by the vehicle load, the bridge building materials. For the bridge, once the bridge structure seam device is damaged, the speed, comfort and safety of driving are seriously influenced, and even driving safety accidents can be caused.
It should be further pointed out that the bridge structure seam device not only directly bears the repeated action of the vehicle load due to the arrangement of the bridge structure seam device at the weak part of the beam end structure, but also is very easy to damage due to the influence of various natural factors due to the long-term exposure in the air, and further has the problems of concrete cracking, steel type damage, leakage and the like. For the bridge structure seam device, once a seam is formed, jolting can be caused when automobiles pass, and further uncomfortable feeling of passing the automobiles is brought.
With the gradual and deep research in the field of new materials such as domestic ECC high-performance cement-based composite materials and the like in recent years, in the aspect of bridge structural joints, a team develops an ECC-FRP high-flexibility structural joint device with excellent performance in China, seamless design is realized, the problem of poor driving conditions is effectively solved, and meanwhile, the mechanical requirements of bridges can be actually met. However, the application range of the ECC-FRP high-flexibility structural joint device is limited, and the ECC-FRP high-flexibility structural joint device can only be applied to common bridge buildings and cannot be applied to box-shaped bridges with the characteristics of hollow bridges and hinged joints without overhanging concrete support.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be applied to box bridge's structure seam auxiliary device to prior art not enough, this be applied to box bridge's structure seam auxiliary device novel in design, simple structure, construction convenience, and can realize being applied to box bridge with ECC-FRP high pliability structure seam device.
In order to achieve the above purpose, the present invention is achieved by the following technical solutions.
A structure seam auxiliary device applied to a box-shaped bridge is embedded in a bridge structure seam between a front side box-shaped bridge and a rear side box-shaped bridge which are adjacently arranged when the structure seam auxiliary device applied to the box-shaped bridge is constructed, the front side box-shaped bridge is positioned at the front end side of the rear side box-shaped bridge, the structure seam auxiliary device applied to the box-shaped bridge comprises a groove-shaped steel plate, the groove-shaped steel plate comprises a steel plate main body groove in a groove shape, and a left side plate and a right side plate of the steel plate main body groove are respectively arranged in an inclined manner;
the middle position of the upper end edge of the left side plate of the steel plate main body groove is provided with a left side supporting plate which extends upwards in an inclined way, the middle position of the upper end edge of the right side plate of the steel plate main body groove is provided with a right side supporting plate which extends upwards in an inclined way, and the steel plate main body groove, the left side supporting plate and the right side supporting plate are of an integrated structure;
the part of the left side plate of the steel plate main body groove, which is positioned on the front end side of the left side support plate, and the part of the right side plate of the steel plate main body groove, which is positioned on the front end side of the right side support plate, are respectively a front side bridge connecting part, and the front side bridge connecting part of the left side plate of the steel plate main body groove and the front side bridge connecting part of the right side plate of the steel plate main body groove are respectively provided with a front side bridge connecting hole which is completely penetrated; the part of the left side plate of the steel plate main body groove, which is positioned on the rear end side of the left side support plate, and the part of the right side plate of the steel plate main body groove, which is positioned on the rear end side of the right side support plate, are respectively rear side bridge connecting parts, and the rear side bridge connecting parts of the left side plate of the steel plate main body groove and the right side plate of the steel plate main body groove are respectively provided with rear side bridge connecting holes which are completely penetrated.
And the upper surface of the bottom plate of the steel plate main body groove is welded with vertically arranged steel bars.
The steel plate main body groove is formed in the mode that four reinforcing steel bars are distributed in a rectangular mode in a welded mode on the upper surface of the bottom plate of the steel plate main body groove.
Wherein, the tank-shaped steel plate is an aluminum-zinc plated tank-shaped steel plate.
The upper end edge part of the left side supporting plate is provided with a left side folded edge which is vertically bent upwards, and the left side folded edge and the left side supporting plate are of an integral structure;
the upper end edge part of the right side lateral protection plate is provided with a right side folded edge which is vertically bent upwards, and the right side folded edge and the right side lateral protection plate are of an integral structure.
The utility model has the advantages that: the utility model relates to a structural joint auxiliary device applied to a box-shaped bridge, which comprises a groove-shaped steel plate, wherein the groove-shaped steel plate comprises a steel plate main body groove in a groove shape, and a left side plate and a right side plate of the steel plate main body groove are respectively arranged in an inclined way; the middle position of the upper end edge of the left side plate of the steel plate main body groove is provided with a left side supporting plate which extends upwards in an inclined way, the middle position of the upper end edge of the right side plate of the steel plate main body groove is provided with a right side supporting plate which extends upwards in an inclined way, and the steel plate main body groove, the left side supporting plate and the right side supporting plate are of an integrated structure; the part of the left side plate of the steel plate main body groove, which is positioned on the front end side of the left side support plate, and the part of the right side plate of the steel plate main body groove, which is positioned on the front end side of the right side support plate, are respectively a front side bridge connecting part, and the front side bridge connecting part of the left side plate of the steel plate main body groove and the front side bridge connecting part of the right side plate of the steel plate main body groove are respectively provided with a front side bridge connecting hole which is completely penetrated; the part of the left side plate of the steel plate main body groove, which is positioned on the rear end side of the left side support plate, and the part of the right side plate of the steel plate main body groove, which is positioned on the rear end side of the right side support plate, are respectively rear side bridge connecting parts, and the rear side bridge connecting parts of the left side plate of the steel plate main body groove and the right side plate of the steel plate main body groove are respectively provided with rear side bridge connecting holes which are completely penetrated. Through the structure design, the utility model has the advantages of modern design, simple structure, construction convenience, and can realize being applied to box bridge with ECC-FRP high pliability structure seam device.
Drawings
The invention will be further described with reference to the drawings, but the embodiments in the drawings do not constitute any limitation of the invention.
Fig. 1 is a schematic structural view of a channel-shaped steel plate according to the present invention.
Fig. 2 is a schematic structural view of another view angle of the channel-shaped steel plate of the present invention.
Fig. 3 is the construction schematic diagram of the utility model.
Fig. 1 to 3 include:
11-front side box-shaped bridge 12-rear side box-shaped bridge
2-groove-shaped steel plate 21-steel plate main body groove
221-left side supporting plate 222-right side supporting plate
231-front side bridge connecting hole 232-rear side bridge connecting hole
241-left folding edge 242-right folding edge
And 3, reinforcing steel bars.
Detailed Description
The present invention will be described with reference to specific embodiments.
As shown in fig. 1 to 3, a structural joint auxiliary device applied to a box bridge, which is embedded in a bridge structural joint between a front-side box bridge 11 and a rear-side box bridge 12 which are adjacently arranged when the structural joint auxiliary device applied to the box bridge is constructed, wherein the front-side box bridge 11 is positioned at the front end side of the rear-side box bridge 12, comprises a groove-shaped steel plate 2, the groove-shaped steel plate 2 comprises a steel plate main body groove 21 in a groove shape, and the left side plate and the right side plate of the steel plate main body groove 21 are respectively arranged in an inclined manner.
Furthermore, a left side supporting plate 221 extending obliquely upward is arranged in the middle of the upper end edge of the left side plate of the steel plate body groove 21, a right side supporting plate 222 extending obliquely upward is arranged in the middle of the upper end edge of the right side plate of the steel plate body groove 21, and the steel plate body groove 21, the left side supporting plate 221 and the right side supporting plate 222 are of an integral structure.
Furthermore, the part of the left side plate of the steel plate main body groove 21 on the front end side of the left side support plate 221 and the part of the right side plate of the steel plate main body groove 21 on the front end side of the right side support plate 222 are respectively a front side bridge connecting part, and the front side bridge connecting part of the left side plate of the steel plate main body groove 21 and the front side bridge connecting part of the right side plate of the steel plate main body groove 21 are respectively provided with a front side bridge connecting hole 231 which is completely penetrated; the part of the left side plate of the steel plate main body groove 21 located at the rear end side of the left side support plate 221 and the part of the right side plate of the steel plate main body groove 21 located at the rear end side of the right side support plate 222 are respectively rear side bridge connecting parts, and the rear side bridge connecting parts of the left side plate of the steel plate main body groove 21 and the rear side bridge connecting parts of the right side plate of the steel plate main body groove 21 are respectively provided with a rear side bridge connecting hole 232 which completely penetrates through.
To the utility model discloses a flute profile steel sheet 2, it can be formed through bending by an aluminum-zinc plated steel sheet, promptly the utility model discloses a flute profile steel sheet 2 is aluminum-zinc plated flute profile steel sheet 2. To the zinc-aluminum coated groove shape steel sheet 2, it has good corrosion resistance, and zinc-aluminum coated groove shape steel sheet 2 can prolong effectively promptly the utility model discloses a life.
In addition, the steel bars 3 which are vertically arranged are welded on the upper surface of the bottom plate of the steel plate main body groove 21. Preferably, as shown in fig. 1 to 3, four reinforcing steel bars 3 are welded on the upper surface of the bottom plate of the steel plate main body groove 21; of course, the number of the steel bars 3 does not limit the present invention.
The utility model discloses an in the work progress, the utility model discloses a following construction steps, it is specific:
step a, a groove-shaped steel plate 2 meeting the requirement of a construction bridge is produced by a factory according to the box-shaped bridge, and a steel bar 3 is welded on the upper surface of a bottom plate of a steel plate main body groove 21 of the groove-shaped steel plate 2, so that the assembly type prefabrication of accessories is realized; wherein, the left side supporting plate 221 and the left side plate of the steel plate main body groove 21 are consistent with the left web plate shape of the box bridge, and the right side supporting plate 222 and the right side plate of the steel plate main body groove 21 are consistent with the right web plate shape of the box bridge;
b, transporting the prefabricated components of the channel-shaped steel plate 2 to a construction site, and hoisting the channel-shaped steel plate 2 to a bridge structural joint between the front side box-shaped bridge 11 and the rear side box-shaped bridge 12 by using a crane for embedding;
step c, bolts are installed by field workers through machines, and bolts are installed in front side bridge connection holes 231 and rear side bridge connection holes 232 respectively, a front side bridge connection portion of a left side plate of a steel plate main body groove 21 is fixedly installed on a left side web of the front side box-shaped bridge 11 through screwing, a front side bridge connection portion of a right side plate of the steel plate main body groove 21 is fixedly installed on a right side web of the front side box-shaped bridge 11 through screwing, a rear side bridge connection portion of a left side plate of the steel plate main body groove 21 is fixedly installed on a left side web of the rear side box-shaped bridge 12 through screwing, and a rear side bridge connection portion of a right side plate of the steel plate main body groove 21 is fixedly installed on a right side web of the rear side box-shaped bridge 12 through screwing;
and d, pouring an ECC (error correction code) high-performance cement-based composite material above the groove-shaped steel plate 2, pre-embedding FRP ribs in the ECC high-performance cement-based composite material, and curing to obtain the ECC-FRP high-flexibility structural joint device.
Note that, as shown in fig. 1 to 3, the upper end edge of the left side supporting plate 221 is provided with a left side folded edge 241 which is vertically folded upwards, and the left side folded edge 241 and the left side supporting plate 221 are of an integral structure; similarly, the upper end edge of the right supporting plate 222 is provided with a right folded edge 242 which is vertically folded upwards, and the right folded edge 242 and the right supporting plate 222 are integrated. When the groove-shaped steel plate 2 is embedded in the structural joint between the front box-shaped bridge 11 and the rear box-shaped bridge 12, the left folded edge 241 is located on the left end side of the front box-shaped bridge 11 and the rear box-shaped bridge 12, the right folded edge 242 is located on the right end side of the front box-shaped bridge 11 and the rear box-shaped bridge 12, and the left folded edge 241 and the right folded edge 242 can play a role in limiting and stopping materials when the ECC high-performance cement-based composite material is poured.
It should be emphasized that the present invention has the following advantages, in particular:
1. the utility model can realize the application of the ECC-FRP novel structure seam device in the box bridge, the ECC-FRP novel structure seam device has the characteristics of high tensile strength, corrosion resistance, good durability and the like, and effectively avoids the problems of easy damage, concrete cracking and the like of the traditional structure seam device while realizing the application of the ECC-FRP novel structure seam device in the box bridge;
2. the prefabricated structural joint has the advantages that the prefabricated structural joint can be realized, the groove-shaped steel plate 2 is used as a prefabricated component, the installation of the groove-shaped steel plate 2 can be completed by simply installing bolts during construction, the pouring of the ECC-FRP novel structural joint device can be carried out after the groove-shaped steel plate 2 is installed, the principle of the component is simple, the disassembly and the replacement are convenient, the construction efficiency is effectively improved, the main structure of a bridge is not damaged, and the later maintenance difficulty of the structural joint of the bridge is small;
3. and a steel bar 3 is welded at the bottom of the groove-shaped steel plate 2 to serve as an anchoring structure and is combined with the ECC-GFRP novel structural joint device, so that the capacity of the structural joint device for resisting external load changes such as vehicle impact is further improved.
Synthesize above-mentioned circumstances and know, through above-mentioned structural design, the utility model has the advantages of have modern design, simple structure, construction convenience, and can realize being applied to box bridge with ECC-FRP high pliability structure seam device in.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (5)
1. A structural joint auxiliary device applied to a box-shaped bridge, which is embedded in a bridge structural joint between a front-side box-shaped bridge (11) and a rear-side box-shaped bridge (12) which are adjacently arranged when the structural joint auxiliary device is constructed, the front-side box-shaped bridge (11) being located on the front end side of the rear-side box-shaped bridge (12), characterized in that: the structural joint auxiliary device applied to the box-shaped bridge comprises a groove-shaped steel plate (2), wherein the groove-shaped steel plate (2) comprises a steel plate main body groove (21) in a groove shape, and a left side plate and a right side plate of the steel plate main body groove (21) are respectively arranged in an inclined manner;
a left side supporting plate (221) extending upwards in an inclined mode is arranged in the middle of the upper end edge of the left side plate of the steel plate main body groove (21), a right side supporting plate (222) extending upwards in an inclined mode is arranged in the middle of the upper end edge of the right side plate of the steel plate main body groove (21), and the steel plate main body groove (21), the left side supporting plate (221) and the right side supporting plate (222) are of an integrated structure;
the part of the left side plate of the steel plate main body groove (21) on the front end side of the left side support plate (221) and the part of the right side plate of the steel plate main body groove (21) on the front end side of the right side support plate (222) are respectively a front side bridge connecting part, and the front side bridge connecting part of the left side plate of the steel plate main body groove (21) and the front side bridge connecting part of the right side plate of the steel plate main body groove (21) are respectively provided with a front side bridge connecting hole (231) which is completely penetrated; the part of the left side plate of the steel plate main body groove (21) on the rear end side of the left side support plate (221) and the part of the right side plate of the steel plate main body groove (21) on the rear end side of the right side support plate (222) are respectively rear side bridge connecting parts, and the rear side bridge connecting part of the left side plate of the steel plate main body groove (21) and the rear side bridge connecting part of the right side plate of the steel plate main body groove (21) are respectively provided with a rear side bridge connecting hole (232) which completely penetrates through.
2. The structural joint auxiliary device applied to the box bridge as claimed in claim 1, wherein: the steel plate is characterized in that the upper surface of the bottom plate of the steel plate main body groove (21) is welded with steel bars (3) which are vertically arranged.
3. The structural joint auxiliary device applied to the box bridge as claimed in claim 2, wherein: four reinforcing steel bars (3) which are distributed in a rectangular shape are welded on the upper surface of the bottom plate of the steel plate main body groove (21).
4. The structural joint auxiliary device applied to the box bridge as claimed in claim 1, wherein: the channel-shaped steel plate (2) is an aluminum-zinc plated channel-shaped steel plate (2).
5. The structural joint auxiliary device applied to the box bridge as claimed in claim 1, wherein: the upper end edge of the left side supporting plate (221) is provided with a left side folded edge (241) which is vertically bent upwards, and the left side folded edge (241) and the left side supporting plate (221) are of an integral structure;
the upper end edge part of the right side supporting plate (222) is provided with a right side folding edge (242) which is vertically bent upwards, and the right side folding edge (242) and the right side supporting plate (222) are of an integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120627829.XU CN214993004U (en) | 2021-03-29 | 2021-03-29 | Be applied to structural joint auxiliary device of box bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120627829.XU CN214993004U (en) | 2021-03-29 | 2021-03-29 | Be applied to structural joint auxiliary device of box bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214993004U true CN214993004U (en) | 2021-12-03 |
Family
ID=79162941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120627829.XU Active CN214993004U (en) | 2021-03-29 | 2021-03-29 | Be applied to structural joint auxiliary device of box bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214993004U (en) |
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2021
- 2021-03-29 CN CN202120627829.XU patent/CN214993004U/en active Active
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