CN103469725A - Dislocated expansion joint structure of bridge structural breaking joint - Google Patents
Dislocated expansion joint structure of bridge structural breaking joint Download PDFInfo
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- CN103469725A CN103469725A CN2013104029428A CN201310402942A CN103469725A CN 103469725 A CN103469725 A CN 103469725A CN 2013104029428 A CN2013104029428 A CN 2013104029428A CN 201310402942 A CN201310402942 A CN 201310402942A CN 103469725 A CN103469725 A CN 103469725A
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- expansion joint
- side bar
- breaking
- breaking joint
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Abstract
The invention discloses a dislocated expansion joint structure of a bridge structural breaking joint. The dislocated expansion joint structure of the bridge structural breaking joint comprises the structural breaking joint and an expansion joint which are longitudinally dislocated. The one side structure of the structural breaking joint locally and longitudinally extends to cross the structural breaking joint to be in overlap connection with the other side structure to form the expansion joint. According to the dislocated expansion joint structure of the bridge structural breaking joint, coincidence of an extensible device main body which is weak in structural performance and the bridge structural breaking joint in the same vertical position is avoided, vehicle loads can be directly transferred to the step surface of a subsidence step of an expansion joint pavement device through side beams and an intermediate beam due to the expansion joint pavement device which is a non-beam type stress working component, the structure edge which is connected with the expansion joint device can be difficult to be damaged due to wrap angles which are formed on the upper portions of the side beams, the structure of the expansion joint device is greatly simplified, the stress condition of the integral expansion joint structure is improved, the bearing capability of the expansion joint device is improved, the service circle of the expansion joint device is extended, and serious safety accidents caused by damage of the expansion joint are avoided.
Description
Technical field
The present invention relates to a kind of accessory structure of field of civil engineering, particularly a kind of bridge construction breaking joint dislocation expansion joint structure.
Background technology
Bridge expanssion joint produces distortion for adapting to bridge under many factors (variations in temperature, creep deformation, load action, uneven settlement of foundation and earthquake) effect, avoids cracking even to destroy and the stretching device of the artificial Oil pipeline breaking joint arranged.
In prior art, the multiple group type bridge expansion joint installation obtains comparatively general application, shaped steel side bar, shaped steel central sill, bearing cross beam, displacement controlling box, bearing, compressing support, anchor plate, anchor bar and bird shape caulking gum band, consists of.It is the compound upgrading products of single group bridge expanssion joint, and the stroke between every group is generally 80mm, and stroke when product can be according to bridge design is determined and organized number; It is large that the expansion gap device of this structure has a stroke, the advantage of long service life.
But, due to the expansion gap device main body of said structure be positioned at the bridge construction breaking joint directly over, make the stretching device main body of structural performance weakness just in time be positioned at weak bridge construction breaking joint place, these two kinds " weaknesses " place that coexists, cause this stretching device to exist the power transmission reliability low, stressed complexity, stress is large in batches for key position, cracky, the problem such as application life is short.。
Therefore, need to be improved the bridge expanssion joint structure, to improve the force-bearing situation of whole expansion joint structure, be improved the supporting capacity of expansion gap device, be extended the life cycle of expansion gap device, avoid destroying because of shrinkage joint the serious accident caused and occur.
Summary of the invention
In view of this, purpose of the present invention provides a kind of bridge construction breaking joint dislocation expansion joint structure, improves the force-bearing situation of whole expansion joint structure, improves the supporting capacity of expansion gap device, extend the life cycle of expansion gap device, avoid destroying because of shrinkage joint the serious accident caused and occur.
Bridge construction breaking joint dislocation expansion joint structure of the present invention, comprise structure breaking joint and the shrinkage joint vertically misplaced with the structural sections seam, described and structural sections seam is vertically overlapped and is formed by structure breaking joint one side structure part longitudinal extension Oil pipeline breaking joint and opposite side structure in the shrinkage joint of dislocation.
Further, form one of them end of structure breaking joint structure on two sides and form the sinking step along the shrinkage joint width, another structural top extends to form extension trade plate and is overlapped in this sinking step surface, described shrinkage joint is the spacing between sinking step sidewall and extension plate end, trade, and wherein the structure breaking joint covers by extending after the trade plate is overlapped in the sinking step;
Further, shrinkage joint has the shrinkage joint laying device and comprises the beam of mating formation be set up in parallel along the shrinkage joint width, the described beam of mating formation comprises two step sidewalls that are individually fixed in the sinking step and extends side bar and the middle girder between two side bars of plate end, trade, between described side bar and adjacent middle girder and be equipped with the flexible spacing in confession shrinkage joint between adjacent middle girder;
Further, described two side bars respectively corresponding build in the sidewall of sinking step and extend plate end, trade and to the step sidewall of sinking step to the corner of its upper surface with extend plate end, trade to the corner of its upper surface and form cornerite;
Further, top between described side bar and adjacent middle girder and between adjacent middle girder and be equipped with on the lower the space telescopic seal;
Further, described expansion seal assembly is stainless steel ripple chip architecture or makes for elastomeric material;
Further, described side bar is cast in sinking step sidewall and extends plate end, trade by anchor rib;
Further, described side bar and middle girder are provided with gag lever post, described gag lever post one end is fixed in a wherein side bar, the other end passes middle girder and another side bar along the shrinkage joint width, and insert in the pilot hole of the structure setting that this another side bar is corresponding, gag lever post can vertically be free to slide along bridge in pilot hole;
Further, one of two structures that form structure structure breaking joint are abutment, and another is girder, and described sinking step is formed in abutment, extend the trade plate and are formed at girder.
Further, described middle girder is Horizontal H-shaped structure beam, and the lower wing plate of described Horizontal H-shaped structure beam directly is supported on the step surface of sinking step;
The middle girder that described gag lever post passes with it and corresponding side bar can vertically be free to slide along gag lever post.
Beneficial effect of the present invention: bridge construction breaking joint dislocation expansion joint structure of the present invention, bridge construction breaking joint dislocation structure has been avoided the stretching device main body and bridge construction breaking joint overlapping at same vertical position of structural performance weakness, shrinkage joint of the present invention laying device can be directly passed to vehicular load the step surface of its sinking step by side bar and middle girder, for the stressed working component of non-beam type, the cornerite on side bar top makes not cracky of the structural edge that connects with the shrinkage joint laying device, greatly simplified the structure of shrinkage joint laying device, improved the force-bearing situation of whole expansion joint structure, improve the supporting capacity of shrinkage joint laying device, extend the life cycle of expansion gap device, avoiding destroying because of shrinkage joint the serious accident caused occurs.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is structural representation of the present invention;
The top view that Fig. 2 is Fig. 1.
The specific embodiment
Fig. 1 is structural representation of the present invention, the top view that Fig. 2 is Fig. 1, as shown in the figure: the bridge construction breaking joint dislocation expansion joint structure of the present embodiment, comprise structure breaking joint 12 and the shrinkage joint vertically misplaced with structural sections seam 12, described and structural sections seam 12 is vertically overlapped and is formed by structure breaking joint one side structure part longitudinal extension Oil pipeline breaking joint and opposite side structure in the shrinkage joint of dislocation; As shown in the figure, two structures (structure 1 and structure 10) that form the structural sections seam are the local longitudinal extension of a side structure 10 be overlapped in structure 1 wherein; Bridging arrangement refers between the two and is superimposed with each other along the vertical direction, and wherein a side can be born mutually downward pressure and opposite side is formed and supports; Bridging arrangement forms the dislocation expanded joint structure, and the both sides after need to making to overlap are reserved with necessary width spaces, easily forms structural sections seam extendable room.
In the present embodiment, the end that forms structure breaking joint structure on two sides (structure 1 and structure 10) one of them (structure 1) forms the sinking step 1a along the shrinkage joint width, another structure (structure 10) top extends to form extension trade plate 10a and is overlapped in this sinking step 1a face, described shrinkage joint is the spacing between sinking step sidewall and extension plate end, trade, and wherein structure breaking joint 12 covers by extending after trade plate 10a is overlapped in sinking step 1a; Be no matter sinking step 1a or extend trade plate 10a, form step in structure 1 on the end face relative with structure 10 respectively after formation, because need form bridging arrangement, this step is upper and lower each other; Step 1a end face and extend spacing between the step sidewall of trade plate 10a and be overlapped in after sinking step 1a to cross over and cover by extending trade plate 10a wherein sinks; The step surface of sinking step 1a forms the cantilever construction of carrying, for shrinkage joint, has supporting capacity preferably.
In the present embodiment, shrinkage joint has the shrinkage joint laying device, comprise the beam of mating formation be set up in parallel along the shrinkage joint width, the described beam of mating formation comprises that two are individually fixed in the step sidewall of sinking step 1a and extend the side bar (side bar 4 and side bar 8) of plate 10a end, trade and be positioned at the middle girder 6 between two side bars (side bar 4 and side bar 8), between described side bar (side bar 4 and side bar 8) and adjacent middle girder 6 and be equipped with the spacing flexible for shrinkage joint between adjacent middle girder 6, middle girder 6 needs to arrange a plurality of according to the shrinkage joint width; Simple and compact for structure, flexibility is strong, uses and installation has standardization.
In the present embodiment, described two side bars (side bar 4 and side bar 8) respectively corresponding build in the step sidewall of sinking step 1a and extend plate 10a end, trade and to the step sidewall of sinking step 1a to the corner of its upper surface with extend plate 10a end, trade to the corner of its upper surface and form cornerite; Make the bridge deck structure at this corner place obtain local strengthening, cracky, further do not extend its application life and guaranteed safety in utilization.
In the present embodiment, top and be equipped with on the lower space telescopic seal 5 between described side bar (side bar 4 and side bar 8) and adjacent middle girder 6 and between adjacent middle girder 6; In the present embodiment, bottom also is provided with space telescopic seal 5 between side bar (side bar 4 and side bar 8) and adjacent middle girder 6 and between adjacent middle girder 6, form hermetically-sealed construction whole in the laying device of shrinkage joint, guarantee that inside does not enter foreign material, avoid affecting the normal use at shrinkage joint.
In the present embodiment, described elastic component 5 is made for stainless steel ripple chip architecture or for elastomeric material; The present embodiment adopts elastomeric material, draws materials easily.
In the present embodiment, described side bar (side bar 4 and side bar 8) is cast in the step sidewall of heavy stand 1a and extends plate 10a end, trade by anchor rib (anchor rib 3 and the anchor rib 9 of being provided with corresponding to side bar 4 and side bar 8 in figure); There is bonding strength preferably, guarantee the application life of expansion joint structure.
In the present embodiment, one of two structures (structure 1 and structure 10) that form structure structure breaking joint are abutment, and another is girder, described sinking step 1a is formed at abutment, extend trade plate 10a and be formed at girder, as shown in the figure, all there is deck paving 11 on abutment and girder; Described middle girder 6 bottoms contact and form support with the step surface of sinking step 1a, and this step surface refers to the upper surface of sinking step 1a table top; This structure is beneficial to the supporting capacity that improves whole expansion joint structure, extends its life cycle.
In the present embodiment, described side bar (side bar 4 and side bar 8) and middle girder are provided with gag lever post 7, described gag lever post 7 one ends are fixed in a wherein side bar (being side bar 8 in figure), mode with bolts, removable and replaceable, the other end passes middle girder 6 and another side bar (side bar 4) along the shrinkage joint width, and inserts in the pilot hole 2 of the structure setting that this another side bar (side bar 4) is corresponding, and gag lever post 7 can vertically be free to slide along bridge in pilot hole 2; As shown in the figure, abutment (structure 1) is provided with pilot hole 2, and pilot hole 2 is provided with the space that gag lever post is slided on the width of shrinkage joint, can be adapted to the flexible of shrinkage joint, certainly, between gag lever post 2 and middle girder and side bar 4 be and be slidably matched, do not repeat them here; In the present embodiment, gag lever post 2 can be arranged four on the cross section at shrinkage joint, is distributed as required, and this structure can limit the transverse shifting of middle girder along bridge, guarantees its stability.
In the present embodiment, described middle girder 6 is Horizontal H-shaped structure beam, and the lower wing plate of described I-shape construction girder construction is supported in the step surface of sinking step 1a, and the upper flange of I-shape construction girder construction forms shrinkage joint surface bears face; Described two side bars (side bar 4 and side bar 8) have the side bar upper flange and by its side bar upper flange, the step sidewall upper surface of heavy stand and extension plate end, trade upper surface are formed to cornerite; Adopt structural I-beam, be beneficial to the raising supporting capacity, and weight reduction; As shown in the figure, be formed for the draw-in groove of clamping elastic component on the web of structural I-beam, can adopt existing embedded interface arrangment.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not breaking away from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (10)
1. bridge construction breaking joint dislocation expansion joint structure, it is characterized in that: comprise structure breaking joint and the shrinkage joint vertically misplaced with the structural sections seam, described and structural sections seam is vertically overlapped and is formed by structure breaking joint one side structure part longitudinal extension Oil pipeline breaking joint and opposite side structure in the shrinkage joint of dislocation.
2. bridge construction breaking joint according to claim 1 dislocation expansion joint structure, it is characterized in that: form one of them end of structure breaking joint structure on two sides and form the sinking step along the shrinkage joint width, another structural top extends to form extension trade plate and is overlapped in this sinking step surface, described shrinkage joint is the spacing between sinking step sidewall and extension plate end, trade, and wherein the structure breaking joint covers by extending after the trade plate is overlapped in the sinking step.
3. bridge construction breaking joint according to claim 2 dislocation expansion joint structure, it is characterized in that: shrinkage joint has the shrinkage joint laying device, comprise the beam of mating formation be set up in parallel along the shrinkage joint width, the described beam of mating formation comprises two step sidewalls that are individually fixed in the sinking step and extends side bar and the middle girder between two side bars of plate end, trade, between described side bar and adjacent middle girder and be equipped with the flexible spacing in confession shrinkage joint between adjacent middle girder.
4. bridge construction breaking joint according to claim 3 dislocation expansion joint structure is characterized in that: described two side bars respectively corresponding build in the sidewall of sinking step and extend plate end, trade and to the step sidewall of sinking step to the corner of its upper surface with extend plate end, trade to the corner of its upper surface and form cornerite.
5. bridge construction breaking joint according to claim 4 dislocation expansion joint structure is characterized in that: top and be equipped with on the lower the space telescopic seal between described side bar and adjacent middle girder and between adjacent middle girder.
6. bridge construction breaking joint according to claim 5 dislocation expansion joint structure is characterized in that: described expansion seal assembly is stainless steel ripple chip architecture or makes for elastomeric material.
7. bridge construction breaking joint according to claim 6 dislocation expansion joint structure, it is characterized in that: described side bar is cast in the step sidewall of heavy stand and extends plate end, trade by anchor rib.
8. bridge construction breaking joint according to claim 7 dislocation expansion joint structure, it is characterized in that: described side bar and middle girder are provided with gag lever post, described gag lever post one end is fixed in a wherein side bar, the other end passes middle girder and another side bar along the shrinkage joint width, and insert in the pilot hole of the structure setting that this another side bar is corresponding, gag lever post can vertically be free to slide along bridge in pilot hole.
9. according to the described bridge construction breaking joint dislocation of the arbitrary claim of claim 2 to 8 expansion joint structure, it is characterized in that: one of two structures that form structure structure breaking joint are abutment, another is girder, and described sinking step is formed in abutment, extends the trade plate and is formed at girder; Described middle girder bottom contacts and forms support with the step surface of sinking step.
10. bridge construction breaking joint according to claim 9 dislocation expansion joint structure, it is characterized in that: described middle girder is Horizontal H-shaped structure beam, and the lower wing plate of described Horizontal H-shaped structure beam directly is supported on the step surface of sinking step;
The middle girder that described gag lever post passes with it and corresponding side bar can vertically be free to slide along gag lever post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310402942.8A CN103469725B (en) | 2013-09-06 | 2013-09-06 | Bridge construction breaking joint dislocation expansion joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310402942.8A CN103469725B (en) | 2013-09-06 | 2013-09-06 | Bridge construction breaking joint dislocation expansion joint structure |
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| Publication Number | Publication Date |
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| CN103469725A true CN103469725A (en) | 2013-12-25 |
| CN103469725B CN103469725B (en) | 2016-02-03 |
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| CN201310402942.8A Expired - Fee Related CN103469725B (en) | 2013-09-06 | 2013-09-06 | Bridge construction breaking joint dislocation expansion joint structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104233953A (en) * | 2014-09-26 | 2014-12-24 | 陈逵 | Modular intelligent bridge expansion joint |
| CN107326803A (en) * | 2017-08-10 | 2017-11-07 | 安徽省交通规划设计研究总院股份有限公司 | The scattered displacement expansion joint of tandem |
| CN112709128A (en) * | 2020-12-24 | 2021-04-27 | 中铁建设集团基础设施建设有限公司 | Bridge expansion joint structure resisting excessive deformation and construction method thereof |
| CN113463508A (en) * | 2021-07-26 | 2021-10-01 | 宏腾建设集团有限公司 | Anti-cracking bridge deck expansion joint device and construction method |
| CN114197294A (en) * | 2022-01-05 | 2022-03-18 | 中铁大桥勘测设计院集团有限公司 | Telescopic bridge and use method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2031811U (en) * | 1988-06-22 | 1989-02-01 | 上海市政工程设计院 | Modular dilatation joint structure with large deformation quantity |
| US5887308A (en) * | 1997-07-28 | 1999-03-30 | Watson Bowman Acme Corp. | Expansion joint system with seismic accommodation |
| JP2001090013A (en) * | 1999-09-22 | 2001-04-03 | Sumitomo Metal Ind Ltd | Expansion device for bridge joint |
| JP2006328867A (en) * | 2005-05-27 | 2006-12-07 | Gaeart Tk:Kk | Structure and construction method of road built near abutment |
| JP2007239178A (en) * | 2006-03-03 | 2007-09-20 | Ohbayashi Corp | Joint structure and joint method for vicinity of abutment section |
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2013
- 2013-09-06 CN CN201310402942.8A patent/CN103469725B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2031811U (en) * | 1988-06-22 | 1989-02-01 | 上海市政工程设计院 | Modular dilatation joint structure with large deformation quantity |
| US5887308A (en) * | 1997-07-28 | 1999-03-30 | Watson Bowman Acme Corp. | Expansion joint system with seismic accommodation |
| JP2001090013A (en) * | 1999-09-22 | 2001-04-03 | Sumitomo Metal Ind Ltd | Expansion device for bridge joint |
| JP2006328867A (en) * | 2005-05-27 | 2006-12-07 | Gaeart Tk:Kk | Structure and construction method of road built near abutment |
| JP2007239178A (en) * | 2006-03-03 | 2007-09-20 | Ohbayashi Corp | Joint structure and joint method for vicinity of abutment section |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104233953A (en) * | 2014-09-26 | 2014-12-24 | 陈逵 | Modular intelligent bridge expansion joint |
| CN107326803A (en) * | 2017-08-10 | 2017-11-07 | 安徽省交通规划设计研究总院股份有限公司 | The scattered displacement expansion joint of tandem |
| CN112709128A (en) * | 2020-12-24 | 2021-04-27 | 中铁建设集团基础设施建设有限公司 | Bridge expansion joint structure resisting excessive deformation and construction method thereof |
| CN113463508A (en) * | 2021-07-26 | 2021-10-01 | 宏腾建设集团有限公司 | Anti-cracking bridge deck expansion joint device and construction method |
| CN114197294A (en) * | 2022-01-05 | 2022-03-18 | 中铁大桥勘测设计院集团有限公司 | Telescopic bridge and use method thereof |
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| Publication number | Publication date |
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| CN103469725B (en) | 2016-02-03 |
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Granted publication date: 20160203 Termination date: 20160906 |