CN207331430U - A kind of road and bridge connection structure - Google Patents
A kind of road and bridge connection structure Download PDFInfo
- Publication number
- CN207331430U CN207331430U CN201721350954.0U CN201721350954U CN207331430U CN 207331430 U CN207331430 U CN 207331430U CN 201721350954 U CN201721350954 U CN 201721350954U CN 207331430 U CN207331430 U CN 207331430U
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- Prior art keywords
- attachment strap
- bridge
- road
- girder
- formation
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- Road Paving Structures (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The utility model provides a kind of road and bridge connection structure, the bridge girder being placed on abutment, sleeper beam and both ends are taken by sliding support including abutment, one end and take the attachment strap being placed on sleeper beam and abutment, girder is equipped with bridge girder to mat formation, it is equipped with attachment strap and mats formation with the tension attachment strap that girder is mated formation concordant, one end that tension attachment strap is mated formation and girder are mated formation anchor connection, the other end and attachment strap anchor connection, tension attachment strap is mated formation is folded with sliding layer between attachment strap.The road and bridge connection structure of the utility model, which can be good at realizing, receives bridge upper deformation, and tension attachment strap mats formation and mats formation with girder concordant, the vehicle that passes through will not be caused to vibrate and jolted.In addition, tension attachment strap mat formation with girder mat formation between can realize slitless connection, docking location is not easy to seep water, and bridge member is not easy corrosion and damage, and service life is longer.
Description
Technical field
It the utility model is related to bridge structure, and in particular to a kind of road and bridge connection structure.
Background technology
Bridge superstructure expand with heat and contract with cold, shrink, creep and load effect under, girder can occur necessarily to rotate with stretching
Compression deformation, so that bridge floor elongates or shortens deformation, during the ability to bear for deforming more than bridge floor when this, bridge floor will be sent out
Raw cracking.Overwhelming majority bridge floor is laid with using bituminous concrete and cement concrete at present, due to the deformation of these materials
Ability is limited, bridge frequent cracking phenomenon after used a period of time, especially stress is larger, deformability compared with
For weak road and bridge link position.
For it is such the problem of, road and bridge link position is generally solved using road and bridge connection structure as shown in Figure 1 at present
The problem of place is often cracking.In Fig. 1,1 upper surface of bridge girder is laid with girder and mats formation i.e. floorings 10 and deck paving 11, bridge
Girder 1 is taken by sliding support 12 and is placed on abutment 9.One end of attachment strap 2 is taken by hold-down support 13 to be placed on abutment 9 and bridge master
Beam 1 docks, and the other end is taken on the sleeper beam 8 for being placed on fixed setting and connects road surface.It is provided between attachment strap 2 and bridge girder 1 flexible
Device 3, by telescopic device 3 when bridge girder 1 deforms or rotates, carries out length or position compensation, avoid bridge girder and
Pultrusion cracking occurs between the attachment strap being connected with road surface linkage section 4.
This road and bridge connection structure can solve the problems, such as that bridge cracks to a certain extent, but bridge girder and attachment strap it
Between telescopic device bring the drawbacks of certain to the use of bridge.
Existing telescopic device includes following several big types：Dock, steel-made support formula, building rubber compound are shearing, modulus
Brace type and stowing formula.Wherein dock, steel-made support formula and building rubber compound formula telescopic device easily cause current vehicle
Vehicle bump at bridge ends, not only has vehicle pass-through certain influence, but also service life is also extremely limited；Modulus brace type stretches dress
Put and be easy to occur rubber breakage under the action of larger wheel power, both sides concrete cracking, central sill are broken off etc. asks
Topic, and clearance of expansion rail is easily filled by debris, so as to cause expansion joint stress to concentrate, and then causes telescopicing performance to decline very
To timeliness；And the bonding force of the elastomeric material of stowing formula telescopic device can decline with the aging of material, finally occur micro-
Small gap, causes rainwater to cause bridge member corrosion and damage by being oozed under expansion joint.
To sum up, existing cause end of the bridge position and Uneven road using telescopic device compensation bridge girder dilatation
It is whole, bumping at bridge-head and phenomenon of jolting easily occurs, car accident is also resulted in when serious；And telescopic device in itself with bridge structure
The easy corrosion and damage of part, maintenance costs is higher, and service life is shorter.
Utility model content
Telescopic device is substituted to realize the road for accommodating bridge superstructure and deforming the purpose of this utility model is to provide a kind of
Bridge connection structure.
To achieve the above object, the technical solution of the road and bridge connection structure of the utility model is：A kind of road and bridge connection structure,
The bridge girder being placed on abutment, sleeper beam and both ends are taken by sliding support including abutment, one end take and be placed on sleeper beam and abutment
Attachment strap, the road and bridge connection structure further includes the road surface linkage section being connected away from one end of bridge girder with attachment strap, bridge girder
On be equipped with girder and mat formation, it is characterized in that, be equipped with attachment strap and mat formation with the tension attachment strap that girder is mated formation concordant, tension attachment strap paving
One end of dress and girder are mated formation anchor connection, the other end and attachment strap and/or road surface linkage section anchor connection, tension attachment strap mat formation with
Sliding layer is folded between attachment strap.
The road and bridge connection structure of the utility model is mated formation by tension attachment strap and girder is mated formation anchor connection, tension attachment strap paving
The other end of dress and attachment strap and/or road surface linkage section anchor connection, when bridge girder expands with heat and contract with cold generation dilatation, tension is taken
Plate is mated formation by the way that relative movement occurs between sliding layer and attachment strap and is compressed or the contraction with bridge girder with the stretching of bridge girder
And stretch, so can well realize and bridge upper deformation is received, and tension attachment strap mat formation mat formation with girder it is concordant,
Current vehicle will not be caused to vibrate and jolted.In addition, tension attachment strap mat formation with girder mat formation between can realize it is seamless right
Connect, docking location is not easy to seep water, and bridge member is not easy corrosion and damage, and service life is longer.
Further, the other end that tension attachment strap is mated formation and attachment strap anchor connection.
Further, the sliding layer is slided cloth by least one layer of plastics and is formed.
Further, tension attachment strap is mated formation mats formation for very-high performance fiber concrete, using very-high performance fiber concrete
Mat formation as tension attachment strap, the tensile atrain ability that tension attachment strap is mated formation can be made to meet or exceed 2%, can be good at receiving
The deformation of bridge girder.
Further, the girder is mated formation the deck paving including floorings and positioned at floorings top layer, tension attachment strap paving
Dress is anchored with floorings, with deck paving concordant docking.Docking location smooth connection can so be completely secured, make anchor structure
It is not exposed at outside bridge floor.
Further, pad is equipped with the sliding layer between attachment strap and abutment, so can also realize between attachment strap and abutment
Relative sliding, can realize the flexible compensation of attachment strap to a certain extent.
Further, attachment strap and sleeper beam anchor connection.
Further, the road and bridge connection structure is further included connects with the road surface being connected away from one end of bridge girder of attachment strap
Section, road surface linkage section include strengthening ground layer changeover portion and the reinforcement rigidity road pavement positioned at upside positioned at downside, add
Be rigidly connected circuit surface and tension attachment strap of muscle is mated formation concordant docking.
Further, tension attachment strap both ends of mating formation are mated formation the length phase of the anchor connection section being connected with attachment strap with girder respectively
Deng, and mat formation the 1/5 ~ 1/7 of overall length for tension attachment strap.
Preferably, the length of anchor connection section mats formation the 1/6 of overall length for tension attachment strap.
Brief description of the drawings
Fig. 1 is the structure diagram of the road and bridge connection structure generally used at present；
Fig. 2 is the structure diagram of the road and bridge connection structure of the utility model.
In attached drawing：1st, bridge girder；10th, floorings；11st, deck paving；12nd, sliding support；13rd, hold-down support；2nd, attachment strap；
20th, sliding layer；21st, tension attachment strap is mated formation；3rd, telescopic device；4th, road surface linkage section；40th, reinforcement rigidity road pavement；41st, strengthen
Ground layer changeover portion；5th, crab-bolt；50th, anchor bar；8th, sleeper beam；9th, abutment.
Embodiment
The embodiment of the utility model is described further below in conjunction with the accompanying drawings.
The specific embodiment one of the road and bridge connection structure of the utility model, as shown in Fig. 2, passing through cunning including abutment 9, one end
Dynamic bearing 12 takes the bridge girder 1 being placed on abutment 9, sleeper beam 8 and both ends and takes the attachment strap 2 being placed on sleeper beam 8 and abutment 9.Wherein,
Bridge girder 1 can rotate and move horizontally in certain angle after being placed on sliding support 12；Attachment strap 2 is logical with sleeper beam 8
Anchor bar 50 is crossed to connect.There is certain gap, energy in the horizontal direction between the end of bridge girder 1 and the platform back of the body of abutment 9
Enough supply 1 elongation strain of bridge girder.Sleeper beam 8 is fixed with ground, and downside is connected with spud pile.The one of the bridge girder 1 backwards of attachment strap 2
End is connected by road surface linkage section 4 with road surface.Earth filling tamping between sleeper beam 8 and abutment 9.
Girder is equipped with bridge girder 1 to mat formation, girder is mated formation including floorings 10 and the bridge floor positioned at 10 top layer of floorings
Mat formation 11.Tension attachment strap is equipped with attachment strap 2 and mats formation 21, mat formation 21 one end of tension attachment strap passes through anchor connection section and spread with girder
10 anchor connection of floorings of dress, the other end pass through anchor connection section and 2 anchor connection of attachment strap.Specifically, in anchor connection,
What tension attachment strap was mated formation has fixing structure towards one end that girder is mated formation, pre-buried multiple rows of crab-bolt 5, tension attachment strap in floorings 10
Mat formation by fixing structure and floorings anchoring and with deck paving concordant docking；Pre-buried multiple rows of crab-bolt 5, passes through in attachment strap 2
Crab-bolt 5 realizes the anchor connection that attachment strap is mated formation with tension attachment strap.Road surface linkage section 4 includes the reinforcement ground layer transition positioned at downside
Section 41 and the reinforcement rigidity road pavement 40 positioned at upside, after being anchored at the both ends that tension attachment strap is mated formation, tension attachment strap paving
Fill and slitless connection concordant with reinforcement rigidity road pavement 40 and deck paving respectively.
In the present embodiment, tension attachment strap mats formation 21 using the concreting formation armored concrete with high-tensile
Plate, 2% very-high performance fiber concrete is specifically met or exceeded by tensile atrain ability and pours and forms.Very-high performance fiber
Concrete is current material, includes polytype, can specifically use the concrete for including following composition in the present embodiment, i.e.,
Comprising：Portland cement, flyash, silica sand, water, PVA fibers, additive, the specification of the composition material of the concrete and
Ratio is as follows：High grade Portland cement weight 1.0, F grades of flyash weight 1.2,250 μm of maximum particle diameter, average grain diameter
110 μm of thin silica sand weight 0.8, water weight 0.58,39 μm of diameter, length 12mm, elasticity modulus 42.8GPa, tensile strength
The PVA fiber volumes 2% of 1620MPa, suitable additive, that is, thickener, water-reducing agent and defrother.
Certainly, tension attachment strap, which is mated formation, to be made of other stronger other materials of Anti-pull-press adaptability to changes, this reality
It is to use to mat formation and deck paving with the tension attachment strap compared with strong structure intensity and tensile atrain ability with new central scope
It is seamlessly connected with road surface linkage section, substitutes telescopic device and bring various beneficial effects.
Tension attachment strap is mated formation between 21 and attachment strap 2, is folded with sliding layer 20, sliding layer 20 respectively between attachment strap 2 and abutment 9
High-grade plastics by being laid with two layers of 0.15mm to 0.20mm thickness are slided cloth and are formed, certainly, since high-grade plastics slide the thickness of cloth
Degree is different, and the number of plies can also select as needed；Or sliding layer can use other sliding supporting structures such as sliding support.
Tension attachment strap 21 both ends of mating formation are mated formation the equal length of the anchor connection section being connected with attachment strap with girder respectively, i.e. L1
=L2, and mat formation the 1/5 ~ 1/7 of overall length L for tension attachment strap.In the present embodiment, the length of anchor connection section is preferably tension attachment strap
The 1/6 of overall length of mating formation, i.e. L1 are equal to the L3 that L2 is equal to 1/4.
Since the road and bridge connection structure of the utility model is due to without telescopic device, and use made of special concrete plate
Tension attachment strap is mated formation, it is to be seamlessly connected with the connection of normal concrete pave-load layer, therefore can avoid the unsmooth of end of the bridge position,
Avoid vehicle pitching, avoid because Uneven road slide caused by car accident risk with drive a vehicle it is uncomfortable, so also can thoroughly keep away
Exempt from fluid seepage, avoid thereby resulting in the corrosion and damage of top and substructure.It is made of above-mentioned very-high performance fiber concrete
Tension attachment strap mat formation bridge girder expand with heat and contract with cold dilatation occurs when, by sliding layer and attachment strap occur relative movement and with
The stretching of bridge girder and compress or stretched with the contraction of bridge girder, can so realize the suction to bridge upper deformation well
Receive, service life extends, so as to avoid being influenced traffic, increase maintenance cost etc. due to frequent replace of existing telescopic device and being asked
Topic.
In other embodiments, reinforced concrete girder can be the girder steel of Steel Bridge；Tension attachment strap is mated formation backwards
One end of bridge girder can with road surface linkage section anchor connection, such as, using mating formation with tension attachment strap in embodiment one and girder
Mat formation similar anchor structure, in the end set fixing structure that tension attachment strap is mated formation, tension attachment strap is mated formation with strengthening ground
Layer changeover portion anchor connection, and with the reinforcement rigidity road pavement concordant docking on upper strata；Or the bridge backwards that tension attachment strap is mated formation
Together with one end of girder can anchor at the same time with attachment strap and road surface linkage section.
Claims (10)
1. a kind of road and bridge connection structure, including abutment, one end taken by sliding support the bridge girder being placed on abutment, sleeper beam and
The attachment strap being placed on sleeper beam and abutment is taken at both ends, and the road and bridge connection structure is further included with attachment strap away from one end of bridge girder company
The road surface linkage section connect, is equipped with girder on bridge girder and mats formation, it is characterized in that, be equipped with attachment strap mat formation with girder it is concordant anti-
Attachment strap is drawn to mat formation, one end that tension attachment strap is mated formation and girder are mated formation anchor connection, the other end and attachment strap and/or road surface linkage section anchor
It is solidly connected, tension attachment strap is mated formation is folded with sliding layer between attachment strap.
2. road and bridge connection structure according to claim 1, it is characterized in that, the other end that tension attachment strap is mated formation is anchored with attachment strap
Connection.
3. road and bridge connection structure according to claim 1, it is characterized in that, the sliding layer slides cloth structure by least one layer of plastics
Into.
4. road and bridge connection structure according to claim 1, it is characterized in that, tension attachment strap is mated formation for very-high performance fiber coagulation
Soil is mated formation.
5. road and bridge connection structure according to claim 4, it is characterized in that, the girder is mated formation including floorings and positioned at bridge
The deck paving on panel top layer, tension attachment strap is mated formation to be anchored with floorings, with deck paving concordant docking.
6. according to the road and bridge connection structure described in claim 1 or 2 or 3 or 4 or 5, it is characterized in that, pad is set between attachment strap and abutment
There is the sliding layer.
7. according to the road and bridge connection structure described in claim 1 or 2 or 3 or 4 or 5, it is characterized in that, attachment strap connects with sleeper beam anchoring
Connect.
8. according to the road and bridge connection structure described in claim 1 or 2 or 3 or 4 or 5, it is characterized in that, road surface linkage section includes being located at
Strengthen ground layer changeover portion and the reinforcement rigidity road pavement positioned at upside, reinforcement rigid connection circuit surface and tension in downside
Attachment strap is mated formation concordant docking.
9. according to the road and bridge connection structure described in claim 1 or 2 or 3 or 4 or 5, it is characterized in that, tension attachment strap is mated formation both ends
The equal length of anchor connection section, and mat formation the 1/5 ~ 1/7 of overall length for tension attachment strap.
10. road and bridge connection structure according to claim 9, it is characterized in that, the length of anchor connection section spreads for tension attachment strap
Fill the 1/6 of overall length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721350954.0U CN207331430U (en) | 2017-10-19 | 2017-10-19 | A kind of road and bridge connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721350954.0U CN207331430U (en) | 2017-10-19 | 2017-10-19 | A kind of road and bridge connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207331430U true CN207331430U (en) | 2018-05-08 |
Family
ID=62365809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721350954.0U Expired - Fee Related CN207331430U (en) | 2017-10-19 | 2017-10-19 | A kind of road and bridge connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207331430U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109930436A (en) * | 2019-03-18 | 2019-06-25 | 中铁第四勘察设计院集团有限公司 | A kind of straddle-type monorail interval orbit beam picks up the transition system at station |
| CN110195406A (en) * | 2019-05-06 | 2019-09-03 | 唐峰 | A kind of seamless bridge abutment structure |
| CN110761163A (en) * | 2019-11-29 | 2020-02-07 | 福州大学 | Rapid construction structure of integral bridge and construction method thereof |
-
2017
- 2017-10-19 CN CN201721350954.0U patent/CN207331430U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109930436A (en) * | 2019-03-18 | 2019-06-25 | 中铁第四勘察设计院集团有限公司 | A kind of straddle-type monorail interval orbit beam picks up the transition system at station |
| CN110195406A (en) * | 2019-05-06 | 2019-09-03 | 唐峰 | A kind of seamless bridge abutment structure |
| CN110761163A (en) * | 2019-11-29 | 2020-02-07 | 福州大学 | Rapid construction structure of integral bridge and construction method thereof |
| CN110761163B (en) * | 2019-11-29 | 2024-05-31 | 福州大学 | Rapid construction structure of integral bridge and construction method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180508 Termination date: 20191019 |
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| CF01 | Termination of patent right due to non-payment of annual fee |