CN206916620U - Rubber and steel plate combination modulus type bridge floor damping expanded joint structure - Google Patents
Rubber and steel plate combination modulus type bridge floor damping expanded joint structure Download PDFInfo
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- CN206916620U CN206916620U CN201720686190.6U CN201720686190U CN206916620U CN 206916620 U CN206916620 U CN 206916620U CN 201720686190 U CN201720686190 U CN 201720686190U CN 206916620 U CN206916620 U CN 206916620U
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- rubber
- steel plate
- bridge floor
- plate combination
- modulus type
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Abstract
A kind of rubber and steel plate combination modulus type bridge floor damping expanded joint structure is the utility model is related to, including：Flexible board, mounting structures, cellular rubber shock-absorbing structure sheaf, counteracting spring beam, removable hinged-support, shield edge angle steel, pre-embedded steel slab, it is characterized in that, rubber and steel plate combination modulus type the bridge floor damping expanded joint structure is set at seam for bridge, counteracting spring beam and pre-embedded steel slab are uniformly passed to by cellular rubber shock-absorbing structure sheaf and arc mounting structures setting installation flexible board, cellular rubber shock-absorbing structure, mounting structures and counteracting spring beam, percussion caused by vehicle pass-through at seam.The Free Transform of bridge span structure is realized by cellular rubber shock-absorbing structure sheaf and counteracting spring beam, effectively reduce the percussion of abrasion of the mobile load to expansion joint and Heavy Traffic to bridge floor, offer cushioning effect at seam is set in bridge, extends the working life at expansion joint.The utility model, which has to mitigate, to be shaken, and is reduced impact, is improved road-ability.
Description
Technical field
The utility model belongs to the expansion joint technical field of science of bridge building, more particularly to a kind of science of bridge building bridge floor damping is stretched
Contracting crack structure, the expanded joint structure construction processing being primarily adapted for use in science of bridge building.
Background technology
Expansion gap device is the indispensable part of Assessment of Highway Bridge Structures, and expansion gap device problem is always highway
A great problem in traffic, according to a related statistics of the U.S., although the expense at bearing and expansion joint only accounts for bridge total cost
5%, but if design is improper, installation quality is inferior and lacks maintenance, 95% bridge can be caused to go wrong.Therefore, stretch
Seam problem should cause enough attention.Expanded joint structure of the prior art is steel formula expansion joint and modulus type expansion joint,
This two classes expansion joint has good telescopicing performance, has when can meet the telescopic displacement compared with Large Span Bridges, but pass through and compares
It is obvious to jump car phenomenon, there is large effect to road-ability.On the one hand bridge expanssion joint is subject from mobile load to flexible
On the other hand the abrasion of seam and Heavy Traffic are also subjected to because of temperature movement, shrinkage and creep or base to the percussion of bridge floor
The influence continuously conjugated caused by the factor such as plinth sedimentation and soil pressure.Highway transportation overload condition is increasingly severe at present, these
Load percussion more than design bearing capacity more shortens the working life at expansion joint.
In order to ensure bridge span structure under the influence of temperature Change, live loading, creep and shrinkage of concrete etc. by static(al) figure
Formula Free Transform, vehicle pass through setting to smooth out at seam, reduce noise and prevent rainwater, rubbish soil penetrate into from blocking, therefore design
A kind of rubber and steel plate combination modulus type damping expanded joint structure is those skilled in the art's technical problem urgently to be resolved hurrily.
Utility model content
The utility model proposes a kind of rubber and steel plate combination modulus type bridge floor damping expanded joint structure, the bridge floor damping
Expanded joint structure disclosure satisfy that the Free Transform of bridge span structure, the energy as caused by vehicle pass-through jumps car vibrations be can absorb, by car
Percussion uniformly pass to bearing, effectively reduce abrasion and Heavy Traffic of the mobile load to expansion joint to bridge floor
Percussion, set at seam offer cushioning effect in bridge, extend the working life at expansion joint.
In order to achieve the above object, the technical solution adopted in the utility model is as follows：
Rubber and steel plate combination modulus type damping expansion gap device, including：
Flexible board, it is used for protection structure layer located at the top of cellular rubber shock-absorbing structure sheaf；
Mounting structures, it is used for support structure layers located at the lower section of cellular rubber shock-absorbing structure sheaf, mounting structures are in arcuation
To uniformly transfer upper load active force；The excessive deformation on honeycomb sandwich bottom hole side is constrained, the work of damping can be played
With.
Cellular rubber shock-absorbing structure sheaf, the structure sheaf are located between protective layer and mounting structures；Structure sharpest edges are
Honeycomb layer（Synthetic rubber is made）When being squeezed, geometrically allow on the side in hole when being only small strain, structure just has
Very big torsional deformation, have and greatly than bending stiffness and compare bending strength.Using this advantage of interlayer, in rubber and steel
When plate combines modulus type damping expansion joint by upper load, change in shape that structure sheaf can be with upper protective layer and realization
From closely connected, arc-shaped mounting structures constrain the excessive deformation on honeycomb sandwich bottom hole side, can play a part of damping.
Bearing, the structure are counteracting spring beam support, and the high intensity rigid body of spring beam is reversely supported in prefabricated steel,
The lower section of mounting structures is fixed on by high-strength bolt, counteracting spring beam serves preferable damping effect to single unit system.
Further, in order to improve the adaptability of whole damping expansion gap device, cellular rubber shock-absorbing knot is bonded closely
Structure layer, the flexible board are connected with shield edge angle steel top surface using high-strength bolt.
Further, in order to ensure damping effect, being shaped as the shock-damping structure layer is cellular.
Further, in order to ensure uniform stressed, the curved shape of agent structure of the mounting structures so can be very well
The active force the cellular rubber shock-absorbing structure sheaf in top uniformly pass to bearing by arc mounting structures.
Further, the mounting structures are made up of rigid material, and rigid mounting structures play to integral shock-absorbing device
One preferable support effect.
Further, the bearing is counteracting spring beam support, and the high intensity rigid body of spring beam is reversely supported on pre-manufactured steel
On plate, counteracting spring beam serves preferable damping effect to single unit system.
Further, met big using the form of removable hinged-support between the counteracting spring beam support and pre-embedded steel slab
Free Transform of span bridge's structure under temperature action.
Further, described counteracting spring beam support includes the bearing of an arch, is provided with described bearing
One groove, a bolt for passing through groove is provided with from bottom portion of groove, a spring is in series with described bolt.
Further, rubber and steel plate combination modulus type the bridge floor damping expansion gap device is arranged at bridge and set at seam.
Further, the material of the flexible board is rubber.
Described rubber and the application method of steel plate combination modulus type bridge floor damping expanded joint structure, comprise the following steps：
First, during bridge main body structure construction, in beam body end pre-embedded steel slab and floor of putting more energy into, bridge is fixed on anchor pole
In main body.
Secondly, after the completion of bridge main body structure, installation shield edge angle steel in both sides at seam is being set, is protecting both sides concrete.Pre-
Installation counteracting spring beam on steel plate is buried, is supported using removable hinged-support.
Again, arcuation mounting structures are connected with counteracting spring beam by high-strength bolt, by cellular rubber after installation
Shock-damping structure layer is on mounting structures.
Finally, flexible board is laid on cellular rubber shock-absorbing structure sheaf, flexible board is with shield edge angle steel top surface using high-strength
Bolt connection.
Using the utility model has the advantage of:
1. damping expanded joint structure of the present utility model can provide vertical supporting in vehicle pass-through, while absorb vehicle
Energy caused by current jump car vibrations, uniformly passes to bearing by the percussion of vehicle, effectively reduces the mill of mobile load
The percussion of consumption and Heavy Traffic, to prevent from setting at seam concrete because of impact endurance test shock, large area comes off.
2. by the setting of cellular rubber shock-absorbing structure sheaf and spring beam support, facilitate to integral shock-absorbing device branch
The adjustment of height is supportted, readily satisfies the thickness requirement of concrete construction, improves road-ability.
3. overarched by mounting structures design, can be preferably that bridge floor load action is more uniform in vehicle pass-through
Ground passes to counteracting spring beam support and pre-embedded steel slab, weakens the destruction to caused by concrete component.
4. damping expanded joint structure provided by the utility model is not substantially by space constraint, non-smooth-going concrete bottom is also
It can be used, it is reasonable in design, it is simple in construction, it is easy to on-site construction operations.
5. by the setting of honeycomb shock-damping structure layer, even if flexible board is destroyed, overall damping, support effect are still
It can be achieved on, security is higher, and low cost, is conveniently replaceable.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its illustrate be used for explain the application, do not form the improper restriction to the application.
Fig. 1 is rubber and steel plate combination modulus type bridge floor damping expanded joint structure schematic diagram；
Fig. 2 is the counteracting spring beam support schematic diagram of rubber and steel plate combination modulus type bridge floor damping expanded joint structure；
Fig. 3 is the honeycomb shock-damping structure layer schematic diagram of rubber and steel plate combination modulus type bridge floor damping expanded joint structure；
In figure：1st, road surface, 2, high-strength bolt, 3, shield edge angle steel, 4, flexible board, 5, cellular rubber shock-absorbing structure sheaf, 6,
Supporting plate, 7, counteracting spring beam, 8, floor of putting more energy into, 9, pre-embedded steel slab, 10, anchor pole, 11, cement mortar, 12, movable support,
13rd, high intensity rigid body, 14, high-strength bolt, 15, spring.
Embodiment
It is noted that described further below is all exemplary, it is intended to provides further instruction to the application.It is unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
The utility model provides a kind of rubber and steel plate combination modulus type bridge floor damping expanded joint structure, to make this practicality
New technical scheme and effect characteristic is more explicit, and the present embodiment is elaborated below in conjunction with the accompanying drawings.
As shown in figure 1, rubber and steel plate combination modulus type bridge floor damping expanded joint structure include：1st, road surface, 2, high-strength spiral shell
Bolt, 3, shield edge angle steel, 4, flexible board, 5, cellular rubber shock-absorbing structure sheaf（As shown in Figure 3）, 6, mounting structures, 7, reverse bullet
Spring beam（As shown in Figure 2）, 8, floor of putting more energy into, 9, pre-embedded steel slab, 10, anchor pole, 11, cement mortar, 12, movable support, it is special
Sign is that rubber and steel plate combination modulus type the bridge floor damping expanded joint structure is set at seam for bridge, is installed setting at seam
Flexible board 4, cellular rubber shock-absorbing structure sheaf 5, mounting structures 6 and counteracting spring beam 7, percussion caused by vehicle pass-through are led to
Cross cellular rubber shock-absorbing structure sheaf 5 and mounting structures 6 and uniformly pass to counteracting spring beam 7 and pre-embedded steel slab 9, pass through honeycomb
Shape rubber shock-absorbing structure sheaf 5 and counteracting spring beam 7 mitigate vibrations.
Described counteracting spring beam support includes the bearing of an arch, and a groove is provided with described bearing,
A bolt for passing through groove is provided with from bottom portion of groove, a spring is in series with described bolt.
Method using above-mentioned rubber and steel plate combination modulus type bridge floor damping expanded joint structure is specific as follows：
First, during bridge main body structure construction, in beam body end, pre-embedded steel slab 9 and floor 8 of putting more energy into, pass through water with anchor pole 10
Cement mortar 11 is fixed on bridge main body.
Secondly, after the completion of bridge main body structure, both sides dress shield edge angle steel 3 at seam is being set, is protecting both sides concrete.Pre-buried
Counteracting spring beam 7 is installed on steel plate 9, is supported using movable support 12.
Again, arcuation mounting structures 6 are bolted with counteracting spring beam 7, subtract cellular rubber after installation
Structure sheaf 5 is shaken on mounting structures 6.
Finally, flexible board 4 is laid on cellular rubber shock-absorbing structure sheaf 5, flexible board 4 uses with the top surface of shield edge angle steel 3
High-strength bolt 2 connects, and realizes being brought into close contact for flexible board 4, cellular rubber shock-absorbing structure sheaf 5 and mounting structures 6.
It is not new to this practicality although above-mentioned specific embodiment of the present utility model is described with reference to accompanying drawing
The limitation of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Field technique personnel need not pay the various modifications that creative work can make or deformation still in protection model of the present utility model
Within enclosing.
Claims (8)
1. rubber and steel plate combination modulus type bridge floor damping expanded joint structure, it is characterised in that including：
Flexible board, it is used for protection structure layer located at the top of cellular rubber shock-absorbing structure sheaf；
Mounting structures, it is used for support structure layers located at the lower section of cellular rubber shock-absorbing structure sheaf, mounting structures are in arcuation with equal
Even transmission upper load active force；
Shock-damping structure layer, the shock-damping structure layer are located between described flexible board and mounting structures；The shape of the shock-damping structure layer
Shape is cellular；
Bearing, the structure are counteracting spring beam support, and the high intensity rigid body of spring beam support is reversely supported in prefabricated steel, and
It is fixed on the lower section of the mounting structures.
2. rubber as claimed in claim 1 and steel plate combination modulus type bridge floor damping expanded joint structure, it is characterised in that described
Flexible board is connected with shield edge angle steel top surface using high-strength bolt.
3. rubber as claimed in claim 1 and steel plate combination modulus type bridge floor damping expanded joint structure, it is characterised in that described
The curved shape of agent structure of mounting structures.
4. rubber as claimed in claim 1 and steel plate combination modulus type bridge floor damping expanded joint structure, it is characterised in that described
Mounting structures are made up of rigid material.
5. rubber as claimed in claim 1 and steel plate combination modulus type bridge floor damping expanded joint structure, it is characterised in that described
Using the form of removable hinged-support between counteracting spring beam support and pre-embedded steel slab.
6. rubber as claimed in claim 1 and steel plate combination modulus type bridge floor damping expanded joint structure, it is characterised in that described
The material of flexible board is rubber.
7. rubber as claimed in claim 1 and steel plate combination modulus type bridge floor damping expanded joint structure, it is characterised in that described
Rubber and steel plate combination modulus type bridge floor damping expansion gap device are arranged at bridge and set at seam.
8. rubber as claimed in claim 1 and steel plate combination modulus type bridge floor damping expanded joint structure, it is characterised in that described
Counteracting spring beam support include the bearing of arch, a groove is provided with described bearing, is set from bottom portion of groove
There is a bolt for passing through groove, a spring is in series with described bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720686190.6U CN206916620U (en) | 2017-06-13 | 2017-06-13 | Rubber and steel plate combination modulus type bridge floor damping expanded joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720686190.6U CN206916620U (en) | 2017-06-13 | 2017-06-13 | Rubber and steel plate combination modulus type bridge floor damping expanded joint structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206916620U true CN206916620U (en) | 2018-01-23 |
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|---|---|---|---|
| CN201720686190.6U Expired - Fee Related CN206916620U (en) | 2017-06-13 | 2017-06-13 | Rubber and steel plate combination modulus type bridge floor damping expanded joint structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110080095A (en) * | 2019-05-09 | 2019-08-02 | 中建路桥集团有限公司 | A kind of highway bridge support device for reducing resonance and influencing |
-
2017
- 2017-06-13 CN CN201720686190.6U patent/CN206916620U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110080095A (en) * | 2019-05-09 | 2019-08-02 | 中建路桥集团有限公司 | A kind of highway bridge support device for reducing resonance and influencing |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180123 |
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| CF01 | Termination of patent right due to non-payment of annual fee |