CN103469725B - Bridge construction breaking joint dislocation expansion joint structure - Google Patents
Bridge construction breaking joint dislocation expansion joint structure Download PDFInfo
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- CN103469725B CN103469725B CN201310402942.8A CN201310402942A CN103469725B CN 103469725 B CN103469725 B CN 103469725B CN 201310402942 A CN201310402942 A CN 201310402942A CN 103469725 B CN103469725 B CN 103469725B
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- joint
- side bar
- breaking joint
- breaking
- bridge construction
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Abstract
The invention discloses a kind of bridge construction breaking joint dislocation expansion joint structure, the shrinkage joint comprising structure breaking joint and longitudinally misplace with structure breaking joint, the shrinkage joint longitudinally misplaced with structure breaking joint is overlapped by structure breaking joint side structure partial longitudinal extension Oil pipeline breaking joint and opposite side structure and is formed, bridge construction breaking joint dislocation structure of the present invention avoids the stretching device main body of structural performance weakness and bridge construction breaking joint overlapping at same vertical position, vehicular load can be directly passed to the step surface of its sinking step by shrinkage joint of the present invention laying device by side bar and middle girder, for the stressed working component of non-beam type, the cornerite on side bar top makes the structural edge not cracky connect with expansion gap device, greatly simplify the structure of expansion gap device, improve the force-bearing situation of whole expansion joint structure, improve 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 to occur.
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 ftractureing and even destroys and the stretching device of Oil pipeline breaking joint that artificially arranges.
In prior art, multiple group type bridge expansion joint installation obtains comparatively general application, is made up of 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.It is the compound upgrading products of single group bridge expanssion joint, and the stroke often between group is generally 80mm, and product can be determined to organize number according to stroke during bridge design; The expansion gap device of this structure has stroke greatly, the advantage of long service life.
But, expansion gap device main body due to said structure is positioned at directly over bridge construction breaking joint, the stretching device main body of structural performance weakness is made just in time to be positioned at weak bridge construction breaking joint place, these two kinds " weaknesses " coexist a place, cause this stretching device to there is power transmission reliability low, stressed complexity, key position batch stress is large, cracky, the problems such as application life is short.。
Therefore, need to improve bridge expanssion joint structure, to improve the force-bearing situation of whole expansion joint structure, improve 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.
Summary of the invention
In view of this, object 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, the shrinkage joint comprising structure breaking joint and longitudinally misplace with structure breaking joint, the described shrinkage joint longitudinally misplaced with structure breaking joint is overlapped by structure breaking joint side structure partial longitudinal extension Oil pipeline breaking joint and opposite side structure and is formed.
Further, form one of them end of structure breaking joint structure on two sides and form sinking step along expansion joint width direction, another structural top extends to form extended row guidance tape and is overlapped in this sinking step surface, described shrinkage joint is the spacing between sinking mesa sidewall and extended row guidance tape end, and wherein structure breaking joint covers after being overlapped in sinking step by extended row guidance tape;
Further, shrinkage joint has shrinkage joint laying device and comprises the beam of mating formation be set up in parallel along expansion joint width direction, described beam of mating formation comprises two mesa sidewall and the side bar of extended row guidance tape end and the middle girder between two side bars that are individually fixed in sinking step, is equipped with for the flexible spacing in shrinkage joint between described side bar and adjacent middle girder and between adjacent middle girder;
Further, described two side bars are corresponding respectively builds in the sidewall of sinking step and extended row guidance tape end and forms cornerite to the corner of its upper surface and extended row guidance tape end to the corner of its upper surface to the mesa sidewall of sinking step;
Further, top between described side bar and adjacent middle girder and between adjacent middle girder and be equipped with space telescopic seal on the lower;
Further, described expansion seal assembly is stainless steel ripple chip architecture or makes for elastomeric material;
Further, described side bar is cast in sinking mesa sidewall and extended row guidance tape end by anchor rib;
Further, described side bar and middle girder are provided with gag lever post, a wherein side bar is fixed in described gag lever post one end, the other end passes middle girder and another side bar along expansion joint width direction, and inserting in the pilot hole of vibrational power flow corresponding to this another side bar, gag lever post longitudinally can be free to slide along bridge in pilot hole;
Further, forming one of two structures of structure structure breaking joint is abutment, and another is girder, and described sinking step is formed in abutment, and extended row guidance tape is 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 is directly supported on the step surface of sinking step;
Described gag lever post longitudinally can be free to slide along gag lever post with the middle girder that it passes and corresponding side bar.
Beneficial effect of the present invention: bridge construction breaking joint dislocation expansion joint structure of the present invention, bridge construction breaking joint dislocation structure avoids the stretching device main body of structural performance weakness and bridge construction breaking joint overlapping at same vertical position, vehicular load can be directly passed to the step surface of its sinking step by shrinkage joint of the present invention laying device by side bar and middle girder, for the stressed working component of non-beam type, the cornerite on side bar top makes the structural edge not cracky connect with shrinkage joint laying device, greatly simplify the structure of shrinkage joint laying device, improve 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, avoid destroying because of shrinkage joint the serious accident caused to occur.
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;
Fig. 2 is the top view of Fig. 1.
Detailed description of the invention
Fig. 1 is structural representation of the present invention, Fig. 2 is the top view of Fig. 1, as shown in the figure: the bridge construction breaking joint dislocation expansion joint structure of the present embodiment, the shrinkage joint comprising structure breaking joint 12 and longitudinally misplace with structure breaking joint 12, the described shrinkage joint longitudinally misplaced with structure breaking joint 12 is overlapped by structure breaking joint side structure partial longitudinal extension Oil pipeline breaking joint and opposite side structure and is formed; As shown in the figure, two structures (structure 1 and structure 10) forming a structure breaking joint wherein side structure 10 local longitudinal extension be overlapped in structure 1; Bridging arrangement refers to and is superimposed with each other along the vertical direction therebetween, and wherein side can be born mutually downward pressure and be formed opposite side and be supported; Bridging arrangement forms dislocation expanded joint structure, needs the both sides after making overlap joint to be reserved with necessary width spaces, easily forms structure breaking joint extendable room.
In the present embodiment, form the sinking step 1a of end formation along expansion joint width direction of structure breaking joint structure on two sides (structure 1 and structure 10) one of them (structure 1), another structure (structure 10) top extends to form extended row guidance tape 10a and is overlapped in this sinking step 1a face, described shrinkage joint is the spacing between sinking mesa sidewall and extended row guidance tape end, and wherein structure breaking joint 12 covers after being overlapped in sinking step 1a by extended row guidance tape 10a; Namely no matter be sinking step 1a or extended row guidance tape 10a, on the end face that structure 1 is relative with structure 10, form step respectively after formation, owing to forming bridging arrangement, then this step is upper and lower each other; Cross over after spacing between the mesa sidewall of wherein sinking step 1a end face and extended row guidance tape 10a is overlapped in sinking step 1a by extended row guidance tape 10a and cover; The step surface of sinking step 1a forms the cantilever construction of carrying, has good supporting capacity for shrinkage joint.
In the present embodiment, shrinkage joint has shrinkage joint laying device, comprise the beam of mating formation be set up in parallel along expansion joint width direction, described beam of mating formation comprises two middle girders 6 being individually fixed in the mesa sidewall of sinking step 1a and the side bar (side bar 4 and side bar 8) of extended row guidance tape 10a end and being positioned 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 for the flexible spacing in shrinkage joint between adjacent middle girder 6, middle girder 6 needs to arrange multiple according to expansion 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) are corresponding respectively builds in the mesa sidewall of sinking step 1a and extended row guidance tape 10a end and forms cornerite to the corner of its upper surface and extended row guidance tape 10a end to the corner of its upper surface to the mesa sidewall of sinking step 1a; Make the bridge deck structure at this corner place obtain local strengthening, not cracky, extend its application life further and ensure that safety in utilization.
In the present embodiment, top and be equipped with space telescopic seal 5 on the lower 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 is also 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 overall in the laying device of shrinkage joint, ensure that inside does not enter foreign material, avoid the normal use affecting 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 mesa sidewall and the extended row guidance tape 10a end of heavy stand 1a by anchor rib (corresponding with side bar 4 and side bar 8 in figure be provided with anchor rib 3 and anchor rib 9); There is good bonding strength, ensure the application life of expansion joint structure.
In the present embodiment, forming one of two structures (structure 1 and structure 10) of structure structure breaking joint is abutment, and another is girder, described sinking step 1a is formed at abutment, extended row guidance tape 10a is formed at girder, as shown in the figure, abutment and girder all has deck paving 11; Contact with the step surface of sinking step 1a and formed bottom described middle girder 6 and support, this step surface refers to the upper surface of sinking step 1a table top; This structure is beneficial to the supporting capacity improving 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, a wherein side bar (being side bar 8 in figure) is fixed in described gag lever post 7 one end, mode with bolts, removable and replaceable, the other end passes middle girder 6 and another side bar (side bar 4) along expansion joint width direction, and inserting in the pilot hole 2 of vibrational power flow corresponding to this another side bar (side bar 4), gag lever post 7 longitudinally can 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 making gag lever post at expansion joint width side's upward sliding, the flexible of shrinkage joint can be adapted to, 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 arrange four on the cross section at shrinkage joint, distributes as required, and this structure can limit the transverse shifting of middle girder along bridge, ensures 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 surface, shrinkage joint bearing surface; Described two side bars (side bar 4 and side bar 8) have side bar upper flange and form cornerite by its side bar upper flange to the mesa sidewall upper surface of heavy stand and extended row guidance tape end upper surface; Adopt structural I-beam, be beneficial to raising supporting capacity, and weight reduction; As shown in the figure, the web of structural I-beam is formed the draw-in groove being used for clamping elastic component, existing embedded interface arrangment can be adopted.
The centre 6 that described gag lever post 7 passes with it and side bar 4 longitudinally can be free to slide along gag lever post, and described gag lever post 7 passes middle girder 6 and is reserved with upper and lower activity space, middle girder 6 can be made to be supported on the step of heavy stand comparatively freely, ensure stressed.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (7)
1. a bridge construction breaking joint dislocation expansion joint structure, it is characterized in that: the shrinkage joint comprising structure breaking joint and longitudinally misplace with structure breaking joint, the described shrinkage joint longitudinally misplaced with structure breaking joint is overlapped by structure breaking joint side structure partial longitudinal extension Oil pipeline breaking joint and opposite side structure and is formed;
Form one of them end of structure breaking joint structure on two sides and form sinking step along expansion joint width direction, another structural top extends to form extended row guidance tape and is overlapped in this sinking step, described shrinkage joint is the spacing between sinking mesa sidewall and extended row guidance tape end, and wherein structure breaking joint covers after being overlapped in sinking step by extended row guidance tape; Shrinkage joint has shrinkage joint laying device, comprise the beam of mating formation be set up in parallel along expansion joint width direction, described beam of mating formation comprises two mesa sidewall and the side bar of extended row guidance tape end and the middle girder between two side bars that are individually fixed in sinking step, is equipped with for the flexible spacing in shrinkage joint between described side bar and adjacent middle girder and between adjacent middle girder;
Described side bar and middle girder are provided with gag lever post, a wherein side bar is fixed in described gag lever post one end, the other end passes middle girder and another side bar along expansion joint width direction, and inserting in the pilot hole of vibrational power flow corresponding to this another side bar, gag lever post longitudinally can be free to slide along bridge in pilot hole.
2. bridge construction breaking joint according to claim 1 dislocation expansion joint structure, is characterized in that: described two side bars are corresponding respectively builds in the sidewall of sinking step and extended row guidance tape end and forms cornerite to the corner of its upper surface and extended row guidance tape end to the corner of its upper surface to the mesa sidewall of sinking step.
3. bridge construction breaking joint according to claim 2 dislocation expansion joint structure, is characterized in that: top and be equipped with space telescopic seal on the lower between described side bar and adjacent middle girder and between adjacent middle girder.
4. bridge construction breaking joint according to claim 3 dislocation expansion joint structure, is characterized in that: described expansion seal assembly is stainless steel ripple chip architecture or makes for elastomeric material.
5. bridge construction breaking joint dislocation expansion joint structure according to claim 4, is characterized in that: described side bar is cast in mesa sidewall and the extended row guidance tape end of heavy stand by anchor rib.
6. the bridge construction breaking joint dislocation expansion joint structure according to the arbitrary claim of claim 1 to 5, it is characterized in that: form one of two structures of structure breaking joint for abutment, another is girder, and described sinking step is formed in abutment, and extended row guidance tape is formed at girder; Contact with the step surface of sinking step and formed bottom described middle girder and support.
7. bridge construction breaking joint dislocation expansion joint structure according to claim 6, it is characterized in that: described middle girder is Horizontal H-shaped structure beam, the lower wing plate of described Horizontal H-shaped structure beam is directly supported on the step surface of sinking step;
Described gag lever post longitudinally can be free to slide along gag lever post with the middle girder that it passes and corresponding side bar.
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 |
|---|---|
| CN103469725A CN103469725A (en) | 2013-12-25 |
| CN103469725B true CN103469725B (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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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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Families Citing this family (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 |
| CN112709128B (en) * | 2020-12-24 | 2023-04-21 | 中铁建设集团有限公司 | 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 |
Citations (2)
| 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 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP4982093B2 (en) * | 2006-03-03 | 2012-07-25 | 株式会社大林組 | Joining structure and joining method near the abutment |
-
2013
- 2013-09-06 CN CN201310402942.8A patent/CN103469725B/en not_active Expired - Fee Related
Patent Citations (2)
| 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 |
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| CN103469725A (en) | 2013-12-25 |
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Granted publication date: 20160203 Termination date: 20160906 |