CN108316136A - A kind of separate type water proof rubber band suitable for Existing Railway Line bridge expanssion joint - Google Patents
A kind of separate type water proof rubber band suitable for Existing Railway Line bridge expanssion joint Download PDFInfo
- Publication number
- CN108316136A CN108316136A CN201810175190.9A CN201810175190A CN108316136A CN 108316136 A CN108316136 A CN 108316136A CN 201810175190 A CN201810175190 A CN 201810175190A CN 108316136 A CN108316136 A CN 108316136A
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- China
- Prior art keywords
- mounting ear
- buckling groove
- water proof
- proof rubber
- rubber band
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention discloses a kind of separate type water proof rubber band suitable for Existing Railway Line bridge expanssion joint, including waterstop and two locking bars, waterstop and two locking bars are respectively arranged in two anchoring proximate matters, and anchoring proximate matter is mounted on the end of anchor rib in beam-ends concrete；The side wall of anchoring proximate matter is provided with buckling groove, and waterstop includes telescopic band and is symmetrically disposed on the mounting ear at telescopic band both ends, and telescopic band integrally connected is fixed on the top side wall of mounting ear, and mounting ear is connected in the bottom for being installed on buckling groove；Two locking bars are installed on the top of buckling groove, and the bottom of locking bar connects with the top level of mounting ear compression.The present invention passes through the extruding between locking bar and mounting ear, convenient for mounting ear is fixed in buckling groove, it can not only prevent waterstop from deviating from buckling groove, and the buckling groove inside of anchoring proximate matter type is made to form hermetic seal structure, having reached prevents bridge floor rainwater and sundries from falling into beam-ends.
Description
Technical field
The invention belongs to railroad bridge fields, are related to a kind of separate type waterproof suitable for Existing Railway Line bridge expanssion joint
Rubber strip.
Background technology
Bridge expanssion joint is the important affiliated facility of bridge, and major function is to prevent the ponding of rainwater or other bridge floors direct
Flow into beam body end, to the catchmenting of bridge end, drain, the performances such as waterproof play an important role.It must also meet two curb girders simultaneously
For the necessary suitable bridge of body to, the needs of direction across bridge displacement, vertical displacement and rotation, quality and performance will directly affect bed rearrangement bridge
The durability of beam.
The operation for many years of China railways bridge experience have shown that, there is multiple diseases, main table in operation high-speed rail bridge expansion joint
It is now as follows：There is damaged, pit slot with the concrete anchor place of being solidly connected in expansion joint shaped steel；Guarded drainage adhesive tape falls off, drainage channel blocks
Etc. diseases.The disease at expansion joint brings greater risk to bridge durability and operation security, first under bridge floor ponding beam end
It rushes down, is directly becoming the prestress anchorage system of corrosion in water beam body end, is stained bearing, checks facility and pier etc..Secondly, city
City's railway overpass also becomes city a beautiful landscape line simultaneously, but often because of being stained at bridge expanssion joint gap and for a long time
Percolating water, the roads Shi Zhe landscape, which shows, to be discord.
Disease is stitched for the above expansion joint, current maintenance department, which the methods of mainly takes injecting glue, fills out steel plate, slows down expansion joint
Seepy question can not solve expansion joint seepy question from basic.Currently, bridge extension joint is primarily present problems with：
1) water proof rubber band connect with shaped steel leakiness or fall off, rubber strip aging causes leak at expansion joint serious；
2) telescopic device causes expansion joint metal component accelerated corrosion without drainage system, telescopic device director's phase ponding；
3) operation high ferro Window time point is short, and safety requirements is high, this brings no small challenge to expansion joint treatment construction；
4) expansion joint critical component, water proof rubber bar service life are generally 20 years, it is anticipated that when being runed with high ferro
Between growth, bridge expanssion joint disease problem is more prominent.
When being repaired to Existing Railway Line bridge non-fragment orbit expansion joint, the normal fortune of railway transportation can neither be influenced
Battalion, and bridge deck pavement cannot be destroyed, the maintenance of general railroad bridge is all carried out in the skylight phase of railway operation, when daily
Between general 3 hours, operation high ferro Window time point is short, and safety requirements is high, this brings no small choose to expansion joint treatment construction
War, therefore on the basis of adopting old expansion joint anchoring proximate matter again, optimize water proof rubber band, improve its property easy for installation, deformation is suitable
Ying Xing, to solve the use disadvantage at current expansion joint.
Invention content
The purpose of the present invention is to provide a kind of separate type water proof rubber band suitable for Existing Railway Line bridge expanssion joint,
Using separate structural design, former monolithic porous type water proof rubber band is optimized for W types waterstop and round locking bar structure
W type waterstops when installation, are first put into anchoring proximate matter, can intuitively see very much the shape in place of W type waterstops at this time by form
Then locking bar is squeezed into resistance to anchoring proximate matter using special tooling and achievees the purpose that lock waterproof by state, it is ensured that installation quality,
The service life for extending bridge extension joint further improves the service life at beam-ends expansion joint.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of separate type water proof rubber band suitable for Existing Railway Line bridge expanssion joint, including waterstop and two lockings
Item, waterstop and two locking bars are respectively arranged in two anchoring proximate matters, and anchoring proximate matter is mounted in beam-ends concrete
The end of anchor rib；
The side wall of anchoring proximate matter is provided with buckling groove, and buckling groove is C-shaped channel, and the top and bottom of buckling groove are two and symmetrically set
The arc groove set；
Waterstop includes telescopic band and is symmetrically disposed on the mounting ear at telescopic band both ends, and telescopic band integrally connected is fixed on peace
The top side wall of ear is filled, mounting ear is connected in the bottom for being installed on buckling groove；
Two locking bars are installed on the top of buckling groove, and the top level of the bottom of locking bar and mounting ear compresses
Connect.
Further, the telescopic band is in W types or waveform.
Further, the bottom end of the mounting ear is arc-shaped surface, and top is horizontal plane, the bottom end of mounting ear and buckling groove
Match, at the same the point of contact of a side for connecting of the top level of mounting ear and telescopic band and mounting ear bottom end arc-shaped surface it
Between the angle of inclined surface and vertical plane that forms be the angles α, ranging from 15 ° -40 ° of the angles α.
Further, the angle of the telescopic band side wall and mounting ear side wall is the angles β, ranging from 30 ° -60 ° of the angles β.
Further, it is A to the distance of lower end slot bottom at the sidewall opening of the buckling groove, telescopic band is connect with mounting ear
The distance of the bottom end at place to mounting ear bottom is B, and the length of B is more than the length 2-8mm of A.
Further, the locking bar is circle, and the radius of locking bar is more than or equal to the radius of buckling groove top curve slot.
Further, the end face of the locking bar and mounting ear is provided with through-hole.
Further, the specific installation process of the water proof rubber band is：
The bottom end clamping of the mounting ear at waterstop both ends is installed in the bottom arc groove of buckling groove by the first step；
Second step is squeezed into locking bar in the upper arcuate slot of buckling groove using special tooling, and the bottom of locking bar
Connect with the top level of mounting ear compression, by the extruding between locking bar and mounting ear, convenient for mounting ear to be fixed on
In buckling groove.
Beneficial effects of the present invention：
The present invention uses separate structural design, by former monolithic porous type water proof rubber band be optimized for W types waterstop and
W type waterstops when installation, are first put into anchoring proximate matter, can intuitively see very much W types at this time by round locking bar structure type
Then locking bar is squeezed into resistance to anchoring proximate matter using special tooling and achievees the purpose that lock waterproof by the position of waterstop,
It ensures installation quality, extends the service life of bridge extension joint, further improve the service life at beam-ends expansion joint.
The present invention is suitable for compared with circular hole water proof rubber band in beam-ends change width using W types or wave shape water stop
Situation, and definite shape can be kept, the space of ponding dust stratification between beam seam is reduced, bridge deck drainage effect is improved.
The present invention is by the extruding between locking bar and mounting ear, convenient for mounting ear to be fixed in buckling groove, not only may be used
To prevent waterstop from deviating from buckling groove, and the buckling groove inside of anchoring proximate matter type is made to form hermetic seal structure, has reached anti-
Only bridge floor rainwater and sundries fall into beam-ends.
The present invention is provided with through-hole in the end face of locking bar and mounting ear, in locking bar installation process by locking bar and
The deformation of through-hole is convenient for changing installation convenient for locking bar to be squeezed into buckling groove in mounting ear.
Description of the drawings
The present invention will be further described below with reference to the drawings.
Fig. 1 is the structural schematic diagram after the existing porous type water proof rubber band of the present invention installs；
Fig. 2 is the partial structural diagram of Fig. 1；
Fig. 3 is the structural schematic diagram for anchoring proximate matter；
Fig. 4 is the structural schematic diagram after separate type water proof rubber band installation of the present invention；
Fig. 5 is the partial structural diagram of Fig. 4.
Fig. 6 is the structural schematic diagram of waterstop.
Specific implementation mode
As shown in Figure 1, Figure 2 and Figure 3, existing water proof rubber band is porous type water proof rubber band, including intermediate 1 and two
Two engaging lugs 2 that side is oppositely arranged, porous type water proof rubber band, which is inlayed, to be connected in two anchoring proximate matters 3, the end of intermediate 1
Face is opened there are two symmetrically arranged flexible through-hole 11, porous by the deformation realization for the through-hole 11 that stretches when the gap of bridge changes
The length of type water proof rubber band changes to adapt to the variation in gap；Anchoring proximate matter 3 is weather-proof steel profile, and anchoring proximate matter 3 is fixed on
The side wall of the end of anchor rib 4 in beam-ends concrete, anchoring proximate matter 3 is provided with buckling groove 31, and buckling groove 31 is C-shaped channel, clamping
The top and bottom of slot 31 are two symmetrically arranged arc grooves, and engaging lug 2 is connected in buckling groove 31, by engaging lug 2 with
The fixation of water proof rubber band is realized in mating reaction between buckling groove 31；But when beam gap becomes larger, have exceeded porous type
Deformability of the water proof rubber with the through-hole 11 that stretches in intermediate 1, and because the chucking power of rubber strip and bridge is engaging lug 2 and card
Clamping effect between access slot 31, therefore chucking power is smaller, and long-term ponding dust stratification above water blocking tape so that the gravity of rubber strip
Increase, and then porous type water proof rubber band is caused easily to fall off out of anchoring proximate matter cavity, causes beam-ends leak, while porous type
In vertical state, and intermediate uses porous structure to water proof rubber band both sides engaging lug between engaging lug, causes structural strength high,
It is not easy flexural deformation, deformation adaptability is poor, pacifies a join domain very little between engaging lug and intermediate, is not easy the installation of tooling
Operation, so as to cause by engaging lug be packed into buckling groove during it is not easy to operate, be not easy to judge whether engaging lug lower part complete
Be caught in proximate matter cavity, easily cause to install it is not in place, cause beam-ends leak leakage ash；
As shown in Figure 4, Figure 5 and Figure 6, water proof rubber band of the invention is separate type water proof rubber band, including 5 He of waterstop
Two locking bars 6, waterstop 5 and two locking bars 6 are respectively arranged in two anchoring proximate matters 3, and anchoring proximate matter 3 is mounted on
The end of anchor rib 4 in beam-ends concrete, wherein waterstop 5 include telescopic band 51 and the peace for being symmetrically disposed on 51 both ends of telescopic band
Ear 52 is filled, 51 integrally connected of telescopic band is fixed on the top side wall of mounting ear 52, and telescopic band 51 is more former more in W types or waveform
Pass water proof rubber band is suitable in beam-ends gap length changes the case where, and can keep definite shape, is reduced between beam seam
Bridge deck drainage effect is improved in the space of ponding dust stratification, and the bottom end of mounting ear 52 is arc-shaped surface 521, and top is horizontal plane 522,
The bottom end of mounting ear 52 is matched with buckling groove 31, and mounting ear 52 is connected in the bottom for being installed on buckling groove 31, while mounting ear
Group between 52 top level 522 and a side to connect of telescopic band 51 and the point of contact of 52 bottom end arc-shaped surface 521 of mounting ear
At inclined surface and the angle of vertical plane be the angles α, ranging from 15 ° -40 ° of the angles α；51 side wall of telescopic band and 52 side wall of mounting ear
Angle is the angles β, ranging from 30 ° -60 ° of the angles β, ensure that the clamping that anchoring proximate matter type can be effectively fallen into when waterstop 5 is placed
In slot 31, as shown in Figure 3 and Figure 4, the distance that lower end slot bottom is arrived at the sidewall opening of buckling groove 31 is A, telescopic band 51 and installation
The distance of the bottom end of 52 junction of ear to 52 bottom of mounting ear is B, and the length of B is more than the length 2-8mm of A；Locking bar 6 is circle
Shape, the radius of locking bar 6 are more than or equal to the radius of 31 top curve slot of buckling groove, and two locking bars 6 are installed on buckling groove 31
Top, and the bottom of locking bar 6 connects with the top level 522 of mounting ear 52 compression, passes through locking bar 6 and mounting ear 52
Between extruding, convenient for mounting ear 52 is fixed in buckling groove 31, can not only prevent waterstop 5 deviate from buckling groove 31, and
And 31 inside of buckling groove of anchoring proximate matter type is made to form hermetic seal structure, having reached prevents bridge floor rainwater and sundries from falling into beam
The end face of end, locking bar 6 and mounting ear 52 is provided with through-hole 7, passes through locking bar 6 and mounting ear in 6 installation process of locking bar
The deformation of through-hole 7 is convenient for locking bar 6 being squeezed into buckling groove 31 in 52；
The installation process of the separate type water proof rubber band is：The bottom end of the mounting ear 52 at 5 both ends of waterstop is clamped installation
In the bottom arc groove of buckling groove 31, then locking bar 6 is squeezed into the upper arcuate slot of buckling groove 31, and locking bar 6
The compression of top level 522 of bottom and mounting ear 52 connect, by the extruding between locking bar 6 and mounting ear 52, be convenient for
Mounting ear 52 is fixed in buckling groove 31, can not only prevent waterstop 5 from deviating from buckling groove 31, and make anchoring proximate matter type
31 inside of buckling groove forms hermetic seal structure so that and then achieve the purpose that lock waterproof.
Above content is only to structure of the invention example and explanation, affiliated those skilled in the art couple
Described specific embodiment does various modifications or additions or substitutes by a similar method, without departing from invention
Structure or beyond the scope defined by this claim, is within the scope of protection of the invention.
Claims (8)
1. a kind of separate type water proof rubber band suitable for Existing Railway Line bridge expanssion joint, which is characterized in that including waterstop
(5) it is respectively arranged in two anchoring proximate matters (3) with two locking bars (6), waterstop (5) and two locking bars (6), anchoring type
Material (3) is mounted on the end of anchor rib (4) in beam-ends concrete；
The side wall of anchoring proximate matter (3) is provided with buckling groove (31), and buckling groove (31) is C-shaped channel, the top and bottom of buckling groove (31)
For two symmetrically arranged arc grooves；
Waterstop (5) includes telescopic band (51) and the mounting ear (52) for being symmetrically disposed on telescopic band (51) both ends, telescopic band (51)
Integrally connected is fixed on the top side wall of mounting ear (52), and mounting ear (52) is connected in the bottom for being installed on buckling groove (31)；
Two locking bars (6) are installed on the top of buckling groove (31), and the top of the bottom of locking bar (6) and mounting ear (52)
Horizontal plane (522) compression connects.
2. a kind of separate type water proof rubber band suitable for Existing Railway Line bridge expanssion joint according to claim 1,
It is characterized in that, the telescopic band (51) is in W types or waveform.
3. a kind of separate type water proof rubber band suitable for Existing Railway Line bridge expanssion joint according to claim 1,
It is characterized in that, the bottom end of the mounting ear (52) is arc-shaped surface (521), and top is horizontal plane (522), the bottom of mounting ear (52)
End is matched with buckling groove (31), while a side that the top level (522) of mounting ear (52) and telescopic band (51) connect
The angle of the inclined surface and vertical plane that are formed between the point of contact of mounting ear (52) bottom end arc-shaped surface (521) is the angles α, the angles α
Ranging from 15 ° -40 °.
4. a kind of separate type water proof rubber band suitable for Existing Railway Line bridge expanssion joint according to claim 1,
It is characterized in that, the angle of telescopic band (51) side wall and mounting ear (52) side wall is the angles β, ranging from 30 ° -60 ° of the angles β.
5. a kind of separate type water proof rubber band suitable for Existing Railway Line bridge expanssion joint according to claim 1,
It is characterized in that, the distance that lower end slot bottom is arrived at the sidewall opening of the buckling groove (31) is A, telescopic band (51) and mounting ear (52)
The distance of the bottom end of junction to mounting ear (52) bottom is B, and the length of B is more than the length 2-8mm of A.
6. a kind of separate type water proof rubber band suitable for Existing Railway Line bridge expanssion joint according to claim 1,
It is characterized in that, the locking bar (6) is circle, and the radius of locking bar (6) is more than or equal to the half of buckling groove (31) top curve slot
Diameter.
7. a kind of separate type water proof rubber band suitable for Existing Railway Line bridge expanssion joint according to claim 1,
It is characterized in that, the end face of the locking bar (6) and mounting ear (52) is provided with through-hole (7).
8. a kind of separate type water proof rubber band suitable for Existing Railway Line bridge expanssion joint according to claim 1,
It is characterized in that, the specific installation process of the water proof rubber band is：
The bottom end clamping of the mounting ear (52) at waterstop (5) both ends is installed on the bottom arc groove of buckling groove (31) by the first step
In；
Second step is squeezed into locking bar (6) in the upper arcuate slot of buckling groove (31), and the bottom of locking bar (6) and installation
Top level (522) compression of ear (52) connects, by the extruding between locking bar (6) and mounting ear (52), convenient for that will pacify
Dress ear (52) is fixed in buckling groove (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810175190.9A CN108316136A (en) | 2018-03-02 | 2018-03-02 | A kind of separate type water proof rubber band suitable for Existing Railway Line bridge expanssion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810175190.9A CN108316136A (en) | 2018-03-02 | 2018-03-02 | A kind of separate type water proof rubber band suitable for Existing Railway Line bridge expanssion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108316136A true CN108316136A (en) | 2018-07-24 |
Family
ID=62901171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810175190.9A Pending CN108316136A (en) | 2018-03-02 | 2018-03-02 | A kind of separate type water proof rubber band suitable for Existing Railway Line bridge expanssion joint |
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| Country | Link |
|---|---|
| CN (1) | CN108316136A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATA162176A (en) * | 1976-03-05 | 1979-04-15 | Etasa Ag | BRIDGING DEVICE FOR AN EXPANSION JOINT AND METHOD FOR PRODUCING SUCH A BRIDGING DEVICE |
| KR200298676Y1 (en) * | 2002-09-12 | 2002-12-26 | 윤미진 | The fabricated expansion joint device without concrete-breaking |
| KR101229001B1 (en) * | 2012-01-19 | 2013-02-04 | 하나더이앤씨(주) | Expansion joint for railroad bridges, and its production and installation methods |
| CN203080408U (en) * | 2013-03-14 | 2013-07-24 | 衡水中铁建工程橡胶有限责任公司 | Clamping groove type easily-disassembled railway expansion joint |
| CN207582298U (en) * | 2018-03-02 | 2018-07-06 | 尚德建设集团有限公司 | A kind of separate type water proof rubber band suitable for Existing Railway Line bridge expanssion joint |
-
2018
- 2018-03-02 CN CN201810175190.9A patent/CN108316136A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATA162176A (en) * | 1976-03-05 | 1979-04-15 | Etasa Ag | BRIDGING DEVICE FOR AN EXPANSION JOINT AND METHOD FOR PRODUCING SUCH A BRIDGING DEVICE |
| KR200298676Y1 (en) * | 2002-09-12 | 2002-12-26 | 윤미진 | The fabricated expansion joint device without concrete-breaking |
| KR101229001B1 (en) * | 2012-01-19 | 2013-02-04 | 하나더이앤씨(주) | Expansion joint for railroad bridges, and its production and installation methods |
| CN203080408U (en) * | 2013-03-14 | 2013-07-24 | 衡水中铁建工程橡胶有限责任公司 | Clamping groove type easily-disassembled railway expansion joint |
| CN207582298U (en) * | 2018-03-02 | 2018-07-06 | 尚德建设集团有限公司 | A kind of separate type water proof rubber band suitable for Existing Railway Line bridge expanssion joint |
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