CN206298836U - A kind of bridge of use Z bar plate connector spells construction wide - Google Patents
A kind of bridge of use Z bar plate connector spells construction wide Download PDFInfo
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- CN206298836U CN206298836U CN201621227130.XU CN201621227130U CN206298836U CN 206298836 U CN206298836 U CN 206298836U CN 201621227130 U CN201621227130 U CN 201621227130U CN 206298836 U CN206298836 U CN 206298836U
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Abstract
The utility model is related to a kind of bridge of use Z bar plate connector to spell construction wide, including old bridge, new bridge and splicing seams, between the old bridge and new bridge lateral connection is carried out through splicing seams, some Z bar plate connectors for connecting old bridge side bar flange plate and new bridge side bar flange plate are set in the splicing seams, the Z bar plate connector includes Z bar plate and bolt, and the top of the Z bar plate connector is equipped with separation layer, splice sections in-situ layer, waterproof layer and new bridge deck pavement successively from top to bottom.The utility model can ensure that the vertical bridge of new bridge girder is not constrained to deformation by old bridge girder, reduce the direction across bridge flexural deformation that new, the old bridge after spelling width is produced, advantageously reduce integrally-built plain bending after spelling width and deform the old bridge seat direction across bridge displacement for causing, avoid old bridge seat that failure by shear occurs, ensure the performance work of spelling axle casing wide, have broad prospects.
Description
Technical field
The utility model is related to a kind of bridge of use Z bar plate connector to spell construction wide.
Background technology
In the last few years, with China's rapid development of economy, China's communication has significant progress.But, due to
Personnel and goods and materials flowing increasingly frequently, cause the surge of transport need.In order to meet the demand of the growing volume of traffic, when
It is preceding mainly to have two kinds of settling modes：One is to build new line；Two is the original circuit of widening and rebuilding.Due to building new line expense
Height, long construction period, and blocking traffic, therefore in the urgent need to carrying out reorganization and expansion to these highways, spelled by original Four-Lane Road
A width of six-lane or eight tracks, improve its traffic capacity.Bridge occupies larger specific gravity in highroad, adds bridge spelling width and deposits
Technical sophistication, enforcement difficulty it is high, it is big to existing traffic impact the characteristics of, therefore bridge spells design wide and turned into highway reconstruction and expansion
The emphasis of engineering.By exploration for many years and the proof of many engineering practices, bridge widening transformation has been formd both at home and abroad
The primary structure of technology, the bridge widening joining method commonly used at present has three kinds：The superstructure and lower junction of 1. new, old bridge
Structure is not connected to；The superstructure and substructure of 2. new, old bridge are all connected with；3. new, old bridge superstructure connection, under
Portion's structure is not connected to.
1. connecting method requires to reserve a longitudinal construction joint between new bridge and old bridge, new bridge and old bridge is each received
Power, will not interact, construction is simple, in the absence of the technical barrier of new, old bridge connection.But, due to new bridge and old bridge phase
Mutually independence, and active time is differed, therefore the phenomenon of new, old bridge deformation can occur under outer load action, is led
Bridge floor is caused to produce vertical bridge to crack and direction across bridge faulting of slab ends, influence is widened the normal of back axle girder construction and used.
Connecting method is 2. mainly by being implanted into the modes such as reinforcing bar, casting concrete connector by new bridge superstructure and old
The corresponding position of bridge superstructure couples together, while adopting new bridge substructure and old bridge substructure in a like fashion
Connection is also carried out, new bridge and old bridge is formed entirety, common stress.But, the bridge structure after 2. being widened using connecting method
Foundation settlement difference to new, old bridge is very sensitive, when the foundation settlement difference of the relatively old bridge of new bridge is larger, new, old bridge
Substructure junction can produce larger additional internal force, if additional internal force is excessive, junction can be caused crack, shadow occur
Ring bridge attractive in appearance, reduce performance；Make in new, old concrete shrinkage and creep difference or new and old Bridge Foundation differential settlement simultaneously
Under, new and old bridge superstructure junction can also produce larger additional internal force, it is also possible to crack occur, and influence bridge is attractive in appearance
With road-ability.
Connecting method is 3. by being implanted into reinforcing bar, integral cast-in-situ concrete connector（It is wet to connect section or diaphragm plate）Will etc. mode
Newly, old bridge superstructure connection, is not attached then for substructure by the way of construction joint is stayed.On the one hand can make it is new,
Old bridge superstructure connection is integral, and common stress, the stress to old bridge is favourable；On the other hand, new, old bridge substructure
It is not connected to, respective stress is independent of each other, has both avoided the technical barrier of new, old bridge substructure connection, reduces construction difficult
Degree, reduces engineering cost, turn avoid new and old Bridge Foundation settlement difference to widening the adverse effect that bridge is caused.It is domestic at present
Shanghai-Nanjing Expressway, Shanghai-Hangzhou-Ningbo highway, even highway Zhengzhou section, Beijing-Hongkong Australia highway stone peace section etc. are multiple suddenly expands
This connecting method is employed in engineering of founding a capital.
But, when 3. being spliced to new, old bridge girder using connecting method, old bridge has runed considerably long one
Section time, the concrete shrinkage of its girder, time deformation have been completed and tended towards stability, and under action of long-term load, especially
It is that under concrete shrinkage effect, new bridge girder is in vertical bridge to generation contraction distortion；On the other hand, indulge bridge and spell wide company to concrete
The presence of fitting causes that the vertical bridge of new bridge girder is constrained to contraction distortion by old bridge girder, in new, old concrete contraction, Xu
Become under difference effect, cause to widen rear overall structure and produce direction across bridge flexural deformation, and maximum appears in abutment or one
Transition pier position.Because the bearing that the bridge that early stage builds is used is usually common laminated rubber bearing, its deformability is small, this
The old bridge seat direction across bridge displacement that new, old bridge can be caused to spell after width is excessive, and failure by shear occurs, and influences the normal of such bridge
Use.
Utility model content
In view of the deficiencies in the prior art, technical problem to be solved in the utility model is to provide a kind of using Z bar plate
The bridge of connector spells construction wide, not only reasonable in design, and efficiently convenient.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is：A kind of bridge of use Z bar plate connector
Beam spells construction wide, including old bridge, new bridge and splicing seams, and lateral connection, institute are carried out through splicing seams between the old bridge and new bridge
State and some Z bar plate connectors for connecting old bridge side bar flange plate and new bridge side bar flange plate, the Z are set in splicing seams
The top of shape steel plate connector is equipped with separation layer, splice sections in-situ layer, waterproof layer and new deck paving successively from top to bottom
Layer.
Preferably, the Z bar plate connector includes Z bar plate and bolt, and the Z bar plate includes two longitudinal plates and sets
The transverse plate between two longitudinal plates is put, wherein a longitudinal plate is connected through bolt with old bridge side bar flange plate, wherein other one
Longitudinal plate is connected through bolt with new bridge side bar flange plate.
Preferably, it is provided with the longitudinal plate of the Z bar plate and is passed through beneficial to bolt and allow Z bar plate relative motion
Strip hole, the width of the strip hole is identical with the external diameter of bolt, length direction and Jiu Qiao, the length of new bridge of the strip hole
Direction is identical.
Preferably, the spacing of the adjacent Z bar plate connector in splicing seams is, wherein L be Jiu Qiao with it is new
The single span across footpath of bridge.
Preferably, the bolt uses frictional high-strength bolts.
Compared with prior art, the utility model has the advantages that：Z bar plate employed in the utility model
Connector can ensure that the vertical bridge of new bridge girder is not constrained to deformation by old bridge girder, reduce what new, the old bridge after spelling width was produced
Direction across bridge flexural deformation, advantageously reduces integrally-built plain bending after spelling width and deforms the old bridge seat direction across bridge position for causing
Move, it is to avoid old bridge seat occurs failure by shear, it is ensured that spell the performance of axle casing wide；Z bar plate and frictional high-strength bolts
Use can simplify new, old bridge spell construction measure wide building process, shorten construction period, with preferable economic benefit；
Suitable for the spelling construction wide of the bridge such as highway, one, two, three highway and urban road, municipal works highway.
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
Brief description of the drawings
Fig. 1 is the overall structure floor map of the utility model embodiment.
Fig. 2 is A-A sectional views in the utility model embodiment Fig. 1.
Fig. 3 is the enlarged diagram of B in the utility model embodiment Fig. 1.
Fig. 4 is C-C sectional views in the utility model embodiment Fig. 3.
Fig. 5 is D-D sectional views in the utility model embodiment Fig. 3.
In figure：The old bridges of 1-, the old bridge side bar flange plates of 11-, the old bridge deck pavings of 12-, 2- new bridges, the 21- new bridge side bars edge of a wing
Plate, 3-Z shape steel plate connectors, 31-Z shape steel plates, 32- frictional high-strength bolts, 33- strip holes, 4- separation layers, 5- splice sections show
Layer is poured, 6- waterproof layers, the new bridge deck pavements of 7-, 8- cuts line.
Specific embodiment
It is that features described above of the present utility model and advantage can be become apparent, special embodiment below, and coordinate accompanying drawing,
It is described in detail below.
As shown in Fig. 1 ~ 5, a kind of bridge of use Z bar plate connector spells construction wide, including old bridge 1, new bridge 2 and spelling
Seam, lateral connection is carried out between the old bridge 1 and new bridge 2 through splicing seams, sets some old for connecting in the splicing seams
The Z bar plate connector 3 of bridge side bar flange plate 11 and new bridge side bar flange plate 21, the top of the Z bar plate connector 3 is under
Separation layer 4, splice sections in-situ layer 5, waterproof layer 6 and new bridge deck pavement 7 are equipped with successively to upper；The new bridge deck pavement
7 extend to old bridge 1 and the both direction of new bridge 2, increase the structural strength of unitary construction.
In the utility model embodiment, the Z bar plate connector 3 includes Z bar plate 31 and bolt, the Z bar
Plate 31 includes two longitudinal plates and the transverse plate being arranged between two longitudinal plates, wherein a longitudinal plate is through bolt and the old bridge side bar edge of a wing
Plate 11 is connected, wherein an other longitudinal plate is connected through bolt with new bridge side bar flange plate 21.
In the utility model embodiment, it is provided with the longitudinal plate of the Z bar plate 31 and passed through beneficial to bolt and allow Z
The strip hole 33 of the relative motion of shape steel plate 31, the width of the strip hole 33 is identical with the external diameter of bolt, the strip hole 33
Length direction is identical with the length direction of old bridge 1, new bridge 2, and the thickness of slab of the Z bar plate 31 is arranged to make full use of along direction across bridge
The bearing capacity in the section of Z bar plate 31 bears vertical load, the plate of the Z bar plate 31 it is long along vertical bridge to arrangement with fully profit
Ensure that the vertical bridge of the girder of new bridge 2 is not constrained to deformation by the girder of old bridge 1 with the deformability of Z bar plate 31, the friction
Be connected Z bar plate 31 with new bridge side bar flange plate 21, old bridge side bar flange plate 11 with fully profit respectively by type high-strength bolt 32
Frictional Slipping ability with frictional high-strength bolts 32 in strip hole 33.
In the utility model embodiment, the spacing of the adjacent Z bar plate connector 3 in splicing seams is, its
Middle L is the single span across footpath of old bridge 1 and new bridge 2.
In the utility model embodiment, the bolt uses frictional high-strength bolts 32.
In the utility model embodiment, splice sections in-situ layer 5 is using the concrete with water-proof function.
In the utility model embodiment, the scope that cuts of old bridge deck paving 12 should be according to the concrete condition of every bridge block
It is determined that.
In the utility model embodiment, the drilling depth of the screw of frictional high-strength bolts 32 should be according to the friction for being used
The material and diameter of type high-strength bolt 32 are adjusted, at the same screwed hole along vertical bridge to arrangement spacing according to the tool of often bridge block
Body situation determines.
In the utility model embodiment, the forming method of screwed hole be by the mould installion of screw shaped new bridge 2 mould
On plate, after the concreting of new bridge 2 is finished, take out mould and just form screwed hole.
In the utility model embodiment, the screw hole depth reserved at new bridge side bar flange plate 21 should be according to rubbing for being used
The material and diameter of wiping type high-strength bolt 32 are adjusted, at the same screwed hole along vertical bridge to arrangement spacing according to often bridge block
Concrete condition determines.
In the utility model embodiment, the material of separation layer 4 uses sheet metal or asphalt felt etc., to ensure that line will be cut
Splice sections in-situ layer 5 in the range of 8 is isolated with old bridge side bar flange plate 11, new bridge flange plate.
Z bar plate connector 3 employed in the utility model can ensure that the vertical bridge of the girder of new bridge 2 does not receive old bridge 1 to deformation
The constraint of girder, reduces the direction across bridge flexural deformation that new, the old bridge after spelling width is produced, and advantageously reduces overall structure after spelling width
The plain bending old bridge seat direction across bridge displacement that causes of deformation, it is to avoid there is failure by shear in old bridge seat, it is ensured that spell back axle wide
The performance of beam；The use of Z bar plate 31 and frictional high-strength bolts 32 can simplify new, old bridge and spell building for construction measure wide
Make program, shorten construction period, with preferable economic benefit；Simultaneously this construction also have method of construction simply, construction period
The low many merits of short, construction cost, it is adaptable to which each standard highway, urban road bridges spell construction wide, are worthy to be popularized.
The utility model is not limited to above-mentioned preferred forms, and anyone can obtain under enlightenment of the present utility model
The bridge for going out other various forms of use Z bar plate connectors spells construction wide and its construction method.It is all according to the utility model Shen
Please the impartial change done of the scope of the claims and modification, should all belong to covering scope of the present utility model.
Claims (5)
1. a kind of bridge of use Z bar plate connector spells construction wide, including old bridge, new bridge and splicing seams, it is characterised in that：
Lateral connection is carried out through splicing seams between the old bridge and new bridge, sets some for connecting the old bridge side bar wing in the splicing seams
The Z bar plate connector of listrium and new bridge side bar flange plate, the top of the Z bar plate connector is equipped with successively from top to bottom
Separation layer, splice sections in-situ layer, waterproof layer and new bridge deck pavement.
2. the bridge of use Z bar plate connector according to claim 1 spells construction wide, it is characterised in that：The Z bar
Plate connector includes Z bar plate and bolt, and the Z bar plate includes two longitudinal plates and the transverse direction being arranged between two longitudinal plates
Plate, wherein a longitudinal plate is connected through bolt with old bridge side bar flange plate, wherein an other longitudinal plate is through bolt and new bridge side bar
Flange plate is connected.
3. the bridge of use Z bar plate connector according to claim 2 spells construction wide, it is characterised in that：The Z bar
The strip hole for being passed through beneficial to bolt and allowing Z bar plate relative motion, the width of the strip hole are provided with the longitudinal plate of plate
External diameter with bolt is identical, and the length direction of the strip hole is identical with the length direction of Jiu Qiao, new bridge.
4. the bridge of use Z bar plate connector according to claim 1 spells construction wide, it is characterised in that：Positioned at splicing
The spacing of the adjacent Z bar plate connector in seam is, wherein L is the single span across footpath of old bridge and new bridge.
5. the bridge of the use Z bar plate connector according to Claims 2 or 3 spells construction wide, it is characterised in that：The spiral shell
Bolt uses frictional high-strength bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621227130.XU CN206298836U (en) | 2016-11-16 | 2016-11-16 | A kind of bridge of use Z bar plate connector spells construction wide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621227130.XU CN206298836U (en) | 2016-11-16 | 2016-11-16 | A kind of bridge of use Z bar plate connector spells construction wide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206298836U true CN206298836U (en) | 2017-07-04 |
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ID=59202529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621227130.XU Active CN206298836U (en) | 2016-11-16 | 2016-11-16 | A kind of bridge of use Z bar plate connector spells construction wide |
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| CN (1) | CN206298836U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106436592A (en) * | 2016-11-16 | 2017-02-22 | 福州大学 | Bridge widening structure using Z-shaped steel plate connectors and construction method thereof |
| CN107386134A (en) * | 2017-07-06 | 2017-11-24 | 东南大学 | The horizontally-spliced structure and its construction method of a kind of Continuous Concrete Box Girders |
| CN107916625A (en) * | 2017-12-25 | 2018-04-17 | 山西省交通规划勘察设计院 | A kind of widening structure and its method of width cantilever boxgirder |
| CN112376399A (en) * | 2020-11-05 | 2021-02-19 | 中冶南方城市建设工程技术有限公司 | Bridge width splicing device |
-
2016
- 2016-11-16 CN CN201621227130.XU patent/CN206298836U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106436592A (en) * | 2016-11-16 | 2017-02-22 | 福州大学 | Bridge widening structure using Z-shaped steel plate connectors and construction method thereof |
| CN106436592B (en) * | 2016-11-16 | 2018-04-13 | 福州大学 | A kind of bridge using Z bar plate connector spells wide construction and its construction method |
| CN107386134A (en) * | 2017-07-06 | 2017-11-24 | 东南大学 | The horizontally-spliced structure and its construction method of a kind of Continuous Concrete Box Girders |
| CN107386134B (en) * | 2017-07-06 | 2019-05-31 | 东南大学 | A kind of horizontally-spliced structure and its construction method of Continuous Concrete Box Girders |
| CN107916625A (en) * | 2017-12-25 | 2018-04-17 | 山西省交通规划勘察设计院 | A kind of widening structure and its method of width cantilever boxgirder |
| CN112376399A (en) * | 2020-11-05 | 2021-02-19 | 中冶南方城市建设工程技术有限公司 | Bridge width splicing device |
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