CN108179699A - A kind of waterproof expansion joint device and waterstop - Google Patents
A kind of waterproof expansion joint device and waterstop Download PDFInfo
- Publication number
- CN108179699A CN108179699A CN201810103653.0A CN201810103653A CN108179699A CN 108179699 A CN108179699 A CN 108179699A CN 201810103653 A CN201810103653 A CN 201810103653A CN 108179699 A CN108179699 A CN 108179699A
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- China
- Prior art keywords
- waterstop
- expansion joint
- waterproof
- mounting groove
- water
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- 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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Classifications
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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)
- Road Paving Structures (AREA)
Abstract
The present invention relates to a kind of waterproof expansion joint device and waterstops.By in the water expandable waterstop that solid cylindrical structure is set with body both sides,The Direction distortion that water expandable waterstop becomes larger in the waterstop mounting groove of expansion joint component during water-swellable only towards diameter,It is squeezed so as to fulfill the strength of the cell wall to waterstop mounting groove,Since water expandable waterstop generally has 23 times of deformability,Therefore a very big contact only can be provided for the cell wall of waterstop mounting groove by the hydro-expansive rubber item of very small diameter,Waterstop mounting groove can closely be filled up,It can be also filled including the subtle local dent on cell wall,With excellent waterproof ability,Significantly improve the water resistance of waterstop,In addition to this,The problem of elastic fatigue is not present in water expandable waterstop,It therefore will not be over time and the problem of sealing performance be caused to decline,Have the characteristics that keep excellent sealing performance for a long time,Significantly improve the service life of waterstop.
Description
Technical field
The present invention relates to a kind of waterproof expansion joint device and waterstops.
Background technology
Expansion gap device mainly includes bridge expansion joint installation and the expansion gap device of other ground surface works, bridge expanssion joint
The requirement to meet bridge floor deformation is referred to, usually between two beam-ends, between beam-ends and abutment or the articulated position of bridge
The expansion joint of upper setting, expansion joint need freely to stretch in both directions parallel, perpendicular to bridge axes, and structure should jail
Gu reliable, vehicle should smooth out, when running over without kick and noise, to prevent rainwater from entering expansion joint lower part needs in expansion joint
Waterproof construction is set.
Existing bridge expanssion joint generally sets rubber fastening band in the gap of expansion joint, and rubber fastening band includes intermediate
The rubber strip of circular tube shaped with body and both ends, the centre of rubber strip have deformation hole in order to the radial deformation of rubber strip, band
Body and rubber strip are one of the forming structure, and waterstop of the setting with closing-in structure is pacified on the two side for surrounding expansion joint gap
Tankage, waterstop mounting groove are long straight trough, and the size of the rubber strip of size ratio waterstop is small, so that rubber strip fills in waterstop
The rubber strip of elastomeric radial can be fitted close with the cell wall of mounting groove and realize sealing waterproof after mounting groove, use process
In have the following problems：It is to be needed when rubber strip is installed into mounting groove by specific purpose tool by force to fill in rubber strip first
In mounting groove, installation process is very cumbersome laborious；Secondly as the time that expansion joint uses elapses, waterstop mounting groove or more
Or less can exist abrasion, and after rubber strip long-time use there are situations such as corrosion and ageing, flexibility decrease, cause rubber strip with
There is gap between the cell wall of mounting groove and drainage occur, waterproof effect is bad.
Invention content
The purpose of the present invention is to provide a kind of waterstops, close between the rubber strip of existing waterstop and deformed steel to solve
The technical issues of Feng Buyan, bad water resistance；The present invention also aims to provide a kind of waterproof using above-mentioned waterstop
Expansion gap device.
To achieve the above object, waterproof expansion joint device of the invention uses following scheme：
Scheme 1：Waterproof expansion joint device includes the expansion joint component of both sides, and waterstop installation is equipped on two expansion joint components
Slot, waterproof expansion joint device further include waterstop, and waterstop includes with body and is connected to the water-swellable sealing with body both sides
Item, water expandable waterstop are inserted into waterstop mounting groove, and the water expandable waterstop is solid cylindrical structure.
Advantageous effect：The present invention by waterstop with body both sides set solid cylindrical structure water expandable waterstop,
So that can be readily intercalated into during the installation of waterstop, just expanded after meeting water with by mounting groove jam-packed, water expandable waterstop is stretching
The Direction distortion to become larger during water-swellable in the waterstop mounting groove of component only towards diameter is stitched, is pacified so as to fulfill to waterstop
The strength of the cell wall of tankage squeezes, and since water expandable waterstop generally has 2-3 times of deformability, only passes through very little
The hydro-expansive rubber item of diameter can provide a very big contact for the cell wall of waterstop mounting groove, can be by waterstop
Mounting groove is closely filled up, can be also filled including the subtle local dent on cell wall, is had excellent waterproof ability, is significantly improved
The water resistance of waterstop, in addition to this, the problem of elastic fatigue is not present in water expandable waterstop, therefore will not be with the time
Passage and the problem of sealing performance is caused to decline, have the characteristics that keep excellent sealing performance for a long time, significantly improve sealing
The service life of band.
Scheme 2：Further make following improvement on the basis of scheme 1, the cross section of the water expandable waterstop is circle
Shape.
Scheme 3：Further make following improvement, the cross section of water expandable waterstop before inflation on the basis of scheme 1
Size is less than the cross sectional dimensions of waterstop mounting groove.The installation of water expandable waterstop can be facilitated.
Scheme 4：Further make following improvement on the basis of scheme 1, the band body includes tissue layer and positioned at fabric
The waterproof layer of layer upside.
Scheme 5：Further make following improvement on the basis of scheme 4, the material of the tissue layer is canvas.
Scheme 6：Further make following improvement on the basis of scheme 4 or 5, the waterproof layer is waterproof coating.It can be notable
Save cost.
Scheme 7：Further make following improvement on the basis of scheme any one of 1-5, use is additionally provided with above the waterstop
The elastomer layer on waterstop is fallen in preventing dust or gravel.
Scheme 8：Further make following improvement on the basis of scheme 7, expansion joint member upper, which has towards expansion joint, to be stitched
The side bar to overhang at gap, the elastomer layer are close to the lower wall surface setting of the projecting end of side bar.Cause expansion joint and elastomer layer
The groove surrounded is more shallow as possible, can reduce the amount of storage of the sundries such as dust, stone, and being also convenient for a tail wind when vehicle passes through will stitch
Interior dust is taken out of, and the stone being relatively large in diameter also is enable to leak out the upper surface of side bar, can be taken it out when vehicle passes through or
The cleaning of person's work convenient for cleaning.
Scheme 9：Further make to improve as follows on the basis of scheme 8, in the upper and lower both sides of the elastomer layer at least
Side is equipped with for flexible ripple.Ripple causes elastomer layer to be easier to deform, and prevents elastomer layer integrally recessed and causes
Stone or glass fragment are clamped by recessed elastomer layer.
Scheme 10：Further make following improvement on the basis of scheme 8 or 9, the elastomer layer passes through natural resiliency
Top pressure is between the wall surface of the expansion joint component of both sides.
Scheme 11：Further make following improvement on the basis of scheme 10, the side wall of the expansion joint component is equipped with bottom
Supporting piece, the elastomer layer is by natural resiliency top pressure between the projecting end of side bar and collet part.So that elastomer layer can be with
It is tightly attached on the projecting end lower wall surface of side bar to reduce elastomer layer as possible to the depth of the groove between side bar upper surface, simultaneously
Elastomer layer can be prevented recessed.
Scheme 12：Further make following improvement on the basis of scheme 11, the collet part is stitched for width less than expansion joint
The strip piece of gap width half.
Scheme 13：Further make following improvement on the basis of scheme 8 or 9, the material of the elastomer layer is rubber.
The waterstop of the present invention uses following scheme：
Scheme 1：Waterstop includes with body and is connected to the water expandable waterstop with body both sides, the water expandable waterstop
For solid cylindrical structure.
Advantageous effect：The present invention by the way that water expandable waterstop of the waterstop with body both sides is changed to solid cylindrical structure,
So that the side that water expandable waterstop becomes larger in the waterstop mounting groove of expansion joint component during water-swellable only towards diameter
It to deformation, is squeezed so as to fulfill the strength of the cell wall to waterstop mounting groove, since water expandable waterstop generally has 2-3 times
Deformability, therefore only can provide one for the cell wall of waterstop mounting groove by the hydro-expansive rubber item of very small diameter
Waterstop mounting groove can closely be filled up, can be also filled including the subtle local dent on cell wall by very big contact, tool
There is excellent waterproof ability, significantly improve the water resistance of waterstop, in addition to this, there is no elasticity is tired for water expandable waterstop
The problem of labor, therefore will not have over time and the problem of sealing performance is caused to decline and keep excellent close for a long time
The characteristics of sealing property, significantly improves the service life of waterstop.
Scheme 2：Further make following improvement on the basis of scheme 1, the water expandable waterstop cross section is circle.
Scheme 3：Further make on the basis of scheme 1 or 2 it is following improve, the band body includes tissue layer and positioned at knitting
Waterproof layer on the upside of nitride layer.
Scheme 4：Further make following improvement on the basis of scheme 3, the material of the tissue layer is canvas.
Scheme 5：Further make following improvement on the basis of scheme 3, the waterproof layer is waterproof coating.
Description of the drawings
Fig. 1 is the specific embodiment structure diagram and water expandable waterstop of the waterproof expansion joint device of the present invention
Status diagram before expansion；
Fig. 2 is the status diagram after water expandable waterstop expansion；
In figure：1- expansion joints component, 11- waterstop mounting grooves, the projecting end of 12- side bars, 2- waterstops, 21- band bodies, 22- are met
Water expansion sealing strip, 3- elastomer layers, 31- deformation ripples, 4- collet parts.
Specific embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The specific embodiment of the waterproof expansion joint device of the present invention：As shown in Figure 1, waterproof expansion joint device includes being located at two
The expansion joint component 1 of side, forms the gap at expansion joint between expansion joint component 1, expansion joint component 1 be respectively relative to two beam-ends or
Fixed between beam-ends and abutment, to realize freely stretching on directions parallel, perpendicular to bridge axes, concrete structure is existing
There is technology, repeat no more.The side wall of the opposite side of expansion joint component 1 is equipped with the waterstop extended along bridge width direction
Mounting groove 11, waterstop mounting groove 11 are the C-channel with closing-in structure, and inner space is big, opening is small, and in bridge width side
To through expansion joint component 1.
Waterproof expansion joint device further includes waterstop 2, and waterstop 2 includes soft with 21 part of body and along with body 21
The cylindrical water expandable waterstop 22 that the both sides of width direction are connect with body 21, water expandable waterstop 22 are solid post
Shape structure, the present embodiment are circular cross section, and solid cylindrical structure causes water expandable waterstop radially straight to expanding
The Direction distortion of diameter so as to which more effective jam-packed is on the cell wall of waterstop mounting groove, has the contact of bigger so that tool
There is better seal effect.Water expandable waterstop 22 is from the side of expansion joint component 1 from the opening of waterstop mounting groove 11
It is slipped into waterstop mounting groove 11 along the length direction of waterstop mounting groove 11, and the cross sectional dimensions of waterstop mounting groove 11 is big
In the sectional dimension of water expandable waterstop 22, penetrate during water expandable waterstop 22 that there is only the friction resistances of very little
Power so that it is very laborsaving, conveniently to penetrate process, and water expandable waterstop 22 is putty type sealing rod or product type sealing rod, tool
There is the effect of water-swellable, deflection can reach 2-3 times.Water expandable waterstop 22 can be by waterstop mounting groove 11 after expanding
It closely fills up, can also be filled up together including the local dent on cell wall, water expandable waterstop 22 and the waterstop of expansion are installed
There is very big contact between the cell wall of slot 11 so that the cell wall of water expandable waterstop 22 and waterstop mounting groove 11 it
Between fit closely, realize good sealed waterproof effect.
The band body 21 of waterstop includes double-layer structure, and lower floor is tissue layer, upper strata is waterproof coating, the fabric of the present embodiment
Layer is canvas material, has very high bearing strength, to carry ponding etc., waterproof coating, which plays, prevents the water on waterstop from oozing
Enter or leak into the purpose below waterstop, relative to the integrally formed waterstop of rubber material form can high degree section
Cost-saving.
As shown in Figure 1, the top of the waterstop and lower section of the telescopic end positioned at side bar is equipped with elastomer layer 3, and elastomer
Layer is set by being tightly attached to the lower wall surface of the projecting end 12 of side bar, so that the groove between elastomer layer 3 and the upper surface of side bar
Depth it is more shallow, so as to which vehicle be facilitated to take the dust in 3 upper grooves of elastomer layer out of groove by a tail wind, meanwhile, relatively
Cleaning of the shallower groove worker also convenient for cleaning to the sundries such as stone, glass fragment in groove, elastomer layer 3 are more than for thickness
Elastic rubber with 21 thickness of body is made, and the both sides of elastic rubber are equipped with deformation ripple 31, to improve the deformation energy of elastomer layer 3
Power, while elastomer layer 3 is caused not bend downward to form pocketed invagination when being squeezed along bridge length direction, but rely on
Ripple deforms, and when elastomer layer is squeezed along bridge length direction, the deformation ripples of both sides is towards 31 up and down two sides
To deformation, and the theme part of elastomer layer still keeps horizontal, can avoid concave deformation and clamp stone, glass fragment etc..
The elastic force of elastomer layer 3 ensures that it is substantially at horizontality, along the deformation in bridge length direction by self-deformation and
The deformation of ripple 31 is deformed, elastomer layer 3 can carry the weight of the dust fallen on and gravel etc., it is ensured that dust and gravel etc.
It will not fall on the waterstop of lower section, therefore can prevent the pocket portion of waterstop from situations such as dust obstruction, gravel is stuck occur, and
Since elastomer layer 3 is located above close to the place of side bar, the sealing at power top expansion joint is nearer, can facilitate dust and gravel etc.
Cleaning.The collet part 4 of bar shaped is additionally provided on the side wall of expansion joint component, is used between collet part 4 and the projecting end 12 of side bar
Fill in elastomer layer 3, the distance between collet part 4 and side bar are slightly less than the thickness of elastomer layer, the seam between the component of expansion joint
The width of gap is also slightly less than the width of elastomer layer so that elastomer layer can have pretightning force in width direction and upper and lower directions.
When in use：In the installation process of waterstop, by the water expandable waterstop 22 of waterstop directly from expansion joint
The side of component 1 is inserted into waterstop mounting groove 11, since the cross sectional dimensions of water expandable waterstop 22 is pacified less than waterstop
The cross sectional dimensions of tankage 11, therefore it is simple and fast to insert process very Portable power saving, installation process；Elastomer layer 3 is passed through
Strong dress mode is installed, and makes it in above-below direction between the projecting end 12 of side bar and collet part 4 and in the length direction of bridge
It is upper to be located between the side wall of both sides expansion joint component, it is realized by the elastic force of elastomer layer 3 itself and narrow installation space
The purpose of pretightning force is provided for elastomer layer；Expansion joint is in the length direction along bridge or vertical length Direction distortion, only
Water band and elastomer layer 3 can deform therewith, can be by the bullet above waterstop when dust and gravel are fallen into the gap of expansion joint
Property body layer 3 stops that elastomer layer 3 can carry dust and gravel while the sealing of lower floor is fallen into prevented also from dust and gravel
It takes, dust is saved bit by bit excessively by the pocket portion to prevent waterstop and pocket wraps up in dust and gravel and causes to block stuck when expansion joint deforms
The generation of phenomenon；Simultaneously as a groove is surrounded between elastomer layer 3 and the projecting end 12 of side bar, the meeting such as dust and stone
It falls into the groove, since the groove is than shallower, internal dust can be taken away a part by a tail wind of vehicle traveling, simultaneously because
Groove is shallower, can worker's cleaning convenient for cleaning；The waterstop of lower floor is then specifically used to waterproof, rainwater when flowing into waterstop first
By water expandable waterstop 22, water expandable waterstop 22 expands after meeting water, and deflection is larger, can be by waterstop mounting groove
11 are stuffed entirely with one larger contact of cell wall that is full, and can giving waterstop mounting groove 11 so that waterstop mounting groove
Gap between 11 cell wall and water expandable waterstop 22 will not leak, play good waterproof effect；By water-swellable
The flow of sealing rod 22 flows after flowing at the V-arrangement pocket with body 21 along the both sides of bottom to the width direction of bridge of V-arrangement pocket
Bridge is then discharged out, to prevent ponding；Since waterstop is with combination of the body 21 for fabric and waterproof coating, relative to traditional rubber
Integrally formed waterstop has the advantages that at low cost, bearing strength is high and non-aging.
In other embodiments：Band body is alternatively three layers, and centre is tissue layer, and both sides are waterproof layer；Waterproof coating also may be used
Replace with rubber waterproof layer or plastics waterproofing layer etc.；The material of tissue layer also can be replaced non-woven fabrics either looped fabric or shuttle
Woven fabric or other textile materials；Band body also can be replaced traditional rubber belt body, and connect with water expandable waterstop.
The specific embodiment of waterstop of the present invention and the waterstop in each embodiment of above-mentioned waterproof expansion joint device
Each embodiment is identical, repeats no more.
Claims (10)
1. waterproof expansion joint device, the expansion joint component including both sides is equipped with waterstop mounting groove on two expansion joint components, prevents
Water expansion gap device further includes waterstop, it is characterized in that, waterstop includes with body and is connected to the water-swellable with body both sides
Sealing rod, water expandable waterstop are inserted into waterstop mounting groove, and the water expandable waterstop is solid cylindrical structure.
2. waterproof expansion joint device according to claim 1, it is characterized in that, the cross section of the water expandable waterstop is
It is round.
3. waterproof expansion joint device according to claim 1, it is characterized in that, water expandable waterstop before inflation transversal
Face size is less than the cross sectional dimensions of waterstop mounting groove.
4. waterproof expansion joint device according to claim 1, it is characterized in that, the band body includes tissue layer and positioned at knitting
Waterproof layer on the upside of nitride layer.
5. waterproof expansion joint device according to claim 4, it is characterized in that, the material of the tissue layer is canvas.
6. waterproof expansion joint device according to claim 4 or 5, it is characterized in that, the waterproof layer is waterproof coating.
7. according to the waterproof expansion joint device described in claim 1-5 any one, it is characterized in that, it is also set above the waterstop
It is useful for preventing dust or gravel from falling the elastomer layer on waterstop.
8. waterproof expansion joint device according to claim 7, it is characterized in that, expansion joint member upper has towards expansion joint
The side bar to overhang at gap, the elastomer layer are close to the lower wall surface setting of the projecting end of side bar.
9. waterproof expansion joint device according to claim 8, it is characterized in that, in the upper and lower both sides of the elastomer layer
At least side is equipped with for flexible ripple.
10. waterstop, it is characterized in that, including with body and being connected to the water expandable waterstop with body both sides, the chance water is swollen
Swollen sealing rod is solid cylindrical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810103653.0A CN108179699A (en) | 2018-02-01 | 2018-02-01 | A kind of waterproof expansion joint device and waterstop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810103653.0A CN108179699A (en) | 2018-02-01 | 2018-02-01 | A kind of waterproof expansion joint device and waterstop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108179699A true CN108179699A (en) | 2018-06-19 |
Family
ID=62551924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810103653.0A Pending CN108179699A (en) | 2018-02-01 | 2018-02-01 | A kind of waterproof expansion joint device and waterstop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108179699A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162727A (en) * | 2018-08-27 | 2019-01-08 | 中南大学 | Portal for shield launching blocks grouting device and construction method |
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|---|---|---|---|---|
| CH664177A5 (en) * | 1984-06-05 | 1988-02-15 | Werner Reis | Road expansion joint bridging device - has rubber rails expanded by displacement strips in clamping strip grooves |
| EP0331785A1 (en) * | 1988-03-11 | 1989-09-13 | Kober AG | Joint covering for expansion joints in roadways, in particular in bridge decks |
| CN2249260Y (en) * | 1996-07-11 | 1997-03-12 | 梁双库 | Compression-type rubber bridge adjusting device |
| CN2921092Y (en) * | 2006-07-06 | 2007-07-11 | 衡水长江预应力有限公司 | Special bridge expanding device |
| CN201062342Y (en) * | 2007-06-18 | 2008-05-21 | 张楸长 | Clamped expansion water-proof adhesive tape |
| CN203256607U (en) * | 2013-05-16 | 2013-10-30 | 张楸长 | Inner expansion surface water-stop band special for road and bridge telescopic device |
| CN106436564A (en) * | 2016-10-18 | 2017-02-22 | 单国珠 | Modular pattern reinforced multidirectional deflection telescopic device and method |
| CN206328675U (en) * | 2016-12-21 | 2017-07-14 | 张兴乾 | A kind of bridge expansion joint structure |
| CN208167515U (en) * | 2018-02-01 | 2018-11-30 | 刘强 | Waterproof expansion joint device and waterstop |
-
2018
- 2018-02-01 CN CN201810103653.0A patent/CN108179699A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH664177A5 (en) * | 1984-06-05 | 1988-02-15 | Werner Reis | Road expansion joint bridging device - has rubber rails expanded by displacement strips in clamping strip grooves |
| EP0331785A1 (en) * | 1988-03-11 | 1989-09-13 | Kober AG | Joint covering for expansion joints in roadways, in particular in bridge decks |
| CN2249260Y (en) * | 1996-07-11 | 1997-03-12 | 梁双库 | Compression-type rubber bridge adjusting device |
| CN2921092Y (en) * | 2006-07-06 | 2007-07-11 | 衡水长江预应力有限公司 | Special bridge expanding device |
| CN201062342Y (en) * | 2007-06-18 | 2008-05-21 | 张楸长 | Clamped expansion water-proof adhesive tape |
| CN203256607U (en) * | 2013-05-16 | 2013-10-30 | 张楸长 | Inner expansion surface water-stop band special for road and bridge telescopic device |
| CN106436564A (en) * | 2016-10-18 | 2017-02-22 | 单国珠 | Modular pattern reinforced multidirectional deflection telescopic device and method |
| CN206328675U (en) * | 2016-12-21 | 2017-07-14 | 张兴乾 | A kind of bridge expansion joint structure |
| CN208167515U (en) * | 2018-02-01 | 2018-11-30 | 刘强 | Waterproof expansion joint device and waterstop |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162727A (en) * | 2018-08-27 | 2019-01-08 | 中南大学 | Portal for shield launching blocks grouting device and construction method |
| CN109162727B (en) * | 2018-08-27 | 2020-05-19 | 中南大学 | Tunnel portal plugging grouting device for shield launching and construction method |
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