CN106638290B - A kind of caulking device of bridge type steel expansion joint - Google Patents
A kind of caulking device of bridge type steel expansion joint Download PDFInfo
- Publication number
- CN106638290B CN106638290B CN201611172178.XA CN201611172178A CN106638290B CN 106638290 B CN106638290 B CN 106638290B CN 201611172178 A CN201611172178 A CN 201611172178A CN 106638290 B CN106638290 B CN 106638290B
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- Prior art keywords
- expansion joint
- filleting
- waterproof layer
- sealant
- item
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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
Expansion joint two sides are arranged in mirror image in a kind of caulking device of bridge type steel expansion joint, a pair of of fashioned iron each other, and the both ends of sealing strip are embedded in groove respectively, and the centre of sealing strip is lower than both ends；The caulking device that can be stretched along bridge length direction is equipped in slot, caulking device includes filleting lining item and sealant waterproof layer；Filleting, which serves as a contrast item, has elasticity, and two apex angles of filleting lining item are fastened on respectively in the groove of two sides, and the inner sidewall of the lateral wall and slot of filleting lining item is mutually fixed；There is gap between the bottom of filleting lining item and the slot bottom of slot；The top surface that filleting serves as a contrast item is outer convex globoidal；Sealant waterproof layer has elasticity, and the top of filleting lining item, the sealant waterproof layer cross section shape small in the big centre in both ends is arranged in sealant waterproof layer, and the both ends of sealant waterproof layer are closely coupled with the fashioned iron of two sides respectively；The bottom surface of sealant waterproof layer is inner concave arc surface, and the bottom surface of sealant waterproof layer and the top surface of filleting lining item fit closely.
Description
Technical field
The present invention relates to a kind of caulking devices of bridge type steel expansion joint.
Background technique
The presence at bridges and culverts expansion joint can adjust the superstructure as caused by vehicular load and bridge construction material
Between displacement and connection.Fashioned iron list seam expansion joint and modulus type expansion joint are in bridge expanssion joint with most commonly used two
Class.When expansion joint is once destroyed, road-ability and safety can not only be impacted, or even making for bridges and culverts can be greatly shortened
Use the service life.
Bridge type steel expansion joint causes type steel expansion joint to fail because of the particularity of its construction, easily accumulation rubble and sundries
It destroys；It is exposed in the severe use environment of water, dust, corrosivity deicing chemicals for a long time simultaneously, easily to expansion joint
And erosion damage caused by substructure, if things go on like this bridge deck pavement and bridge overall structure will also result in and seriously affect.
Meanwhile needing to carry out frequent jointing, cleaning, maintenance during type steel expansion joint operation, difficulty height, effect are conserved under the big flow volume of traffic
Rate is low.Therefore, there is an urgent need to a kind of caulking sealing structures for bridge type steel expansion joint at present, play sealing waterproof, protection
Expanded joint structure improves the effect of expansion joint service life.
Summary of the invention
In order to overcome the existing above problem, the present invention provides a kind of caulking device of bridge type steel expansion joint.
The technical solution adopted by the present invention is that:
A kind of caulking device of bridge type steel expansion joint, expansion joint two sides are arranged in mirror image in a pair of of fashioned iron each other, with structure
At type steel expansion joint, groove of the opening towards expansion joint is equipped on the inside of fashioned iron；The both ends of sealing strip are embedded respectively described recessed
In slot, and the centre of sealing strip is lower than both ends, and the slot of opening upwards is enclosed with the fashioned iron with two sides；
The caulking device that can be stretched along bridge length direction is equipped in the slot, the caulking device includes filleting lining item
With the sealant waterproof layer of sealing type steel expansion joint；
The filleting lining item has elasticity, and filleting lining item is extruded in slot；Two apex angles of filleting lining item block respectively to be set
In the groove of two sides, the inner sidewall of the lateral wall and slot of filleting lining item is mutually fixed；Filleting serves as a contrast the bottom of item and the slot of slot
There is gap between bottom；The top surface that filleting serves as a contrast item is outer convex globoidal；
Sealant waterproof layer has elasticity, and the top of filleting lining item is arranged in sealant waterproof layer, and sealant waterproof layer is horizontal
The section shape small in the big centre in both ends, and the both ends of sealant waterproof layer are closely coupled with the fashioned iron of two sides respectively, to seal
Type steel expansion joint opening；The bottom surface of sealant waterproof layer is inner concave arc surface, and the bottom surface of sealant waterproof layer and the filleting serve as a contrast item
Top surface fit closely.
Further, the lateral wall of filleting lining item and the inner sidewall of slot bond.
Further, the cross-sectional shape of the sealing strip is V-arrangement, and the cross-sectional shape of the filleting lining item is sector.
Further, the material of the filleting lining item is rubber and plastic polymer.
Further, the material of the filleting lining item is polyethylene pearl cotton or ethylene propylene diene rubber.
Further, the material of the sealant waterproof layer is high molecular polymer sealant.
Further, the sealant waterproof layer material is polyurethane sealant, silicone sealant or polysulfide sealant.
Further, the type steel expansion joint is that fashioned iron list stitches expansion joint or modulus type expansion joint.
Cross section refers both to the section along bridge length direction.
The beneficial effects of the present invention are embodied in:
1. filleting lining item and sealant waterproof layer are made of the material with preferable Compression and Expansion performance, therefore can adapt to
The biggish dilatation of bridge expanssion joint does not destroy still under higher stress stress.By filleting lining item bearing
Sealant waterproof layer can closely be cohered with fashioned iron, avoid rubble, sundries enter and caused by failure damage, while prevent because
Rainwater, corrosivity deicing chemicals etc. leak the erosion damage caused by expansion joint and substructure.
2. filleting lining item and sealant waterproof layer material itself all have spy weather-proof, corrosion-resistant, ageing-resistant, that water proof is moisture-proof
Point, therefore this kind of bridge type steel expansion joint caulking sealing structure has longer service life, the lower later period runs maintenance cost.
3. simple and reasonable, easy for construction, installation is simple, only erector need to can be completed by simple common tool
Make, reduces labor intensity, improve labor efficiency.
Detailed description of the invention
Fig. 1 is the cross section view when present invention stitches expansion joint for fashioned iron list.
Fig. 2 is the cross section view when present invention stitches expansion joint for modulus type.
Detailed description of the invention: 1. fashioned iron；2. sealing strip；3. filleting serves as a contrast item；4. sealant waterproof layer.
Specific embodiment
Referring to attached drawing, a kind of caulking device of bridge type steel expansion joint, expansion joint is arranged in mirror image each other in a pair of of fashioned iron 1
Two sides are equipped with groove of the opening towards expansion joint to constitute type steel expansion joint on the inside of fashioned iron 1；The both ends difference of sealing strip 2 is embedding
If in the groove, and the centre of sealing strip 2 is lower than both ends, the slot of opening upwards is enclosed with the fashioned iron 1 with two sides；
The caulking device that can be stretched along bridge length direction is equipped in the slot, the caulking device includes filleting lining item
3 and sealing type steel expansion joint sealant waterproof layer 4；
The filleting lining item 3 has elasticity, and filleting lining item 3 is extruded in slot；Two apex angles of filleting lining item 3 block respectively
It is located in the groove of two sides, the inner sidewall of the lateral wall and slot of filleting lining item 3 is mutually fixed；Filleting serves as a contrast bottom and the slot of item 3
Slot bottom between have gap；The top surface that filleting serves as a contrast item 3 is outer convex globoidal；
Sealant waterproof layer 4 has elasticity, and the top of filleting lining item 3, sealant waterproof layer is arranged in sealant waterproof layer 4
The 4 cross sections shape small in the big centre in both ends, and the both ends of sealant waterproof layer 4 are closely coupled with the fashioned iron 1 of two sides respectively, with
Seal type steel expansion joint opening；The bottom surface of sealant waterproof layer 4 be inner concave arc surface, the bottom surface of sealant waterproof layer 4 with it is described embedding
The top surface of seam lining item 3 fits closely.
The inner sidewall of lateral wall and slot that filleting serves as a contrast item 3 bonds.
The cross-sectional shape of the sealing strip 2 is V-arrangement, and the cross-sectional shape of the filleting lining item 3 is sector.
The material of the filleting lining item 3 is rubber and plastic polymer.
Preferably, the material of the filleting lining item 3 is polyethylene pearl cotton or ethylene propylene diene rubber.
The material of the sealant waterproof layer 4 is high molecular polymer sealant.
Preferably, 4 material of sealant waterproof layer is polyurethane sealant, silicone sealant or polysulfide sealant.
The type steel expansion joint is that fashioned iron list stitches expansion joint or modulus type expansion joint.
Filleting serve as a contrast item 3 top surface evagination height be 2-8mm, the recessed depth in 4 bottom surface of sealant waterproof layer be 2-8mm, two
Person mutually agrees with.
Caulking device installation before, need to pre-process 1 surface of fashioned iron first, first with sand paper polish 1 surface of fashioned iron, and
With acetone scrub clean.Width between filleting lining 3 liang of apex angles of item is greater than the width 5-10mm of type steel expansion joint, passes through tool
By in 3 liang of apex angle insertion grooves of filleting lining item, making filleting lining 3 original state of item in compressive state, (width that filleting serves as a contrast item 3 is big
In the width of slot, it is ensured that be in compressive state), and the two sides of filleting lining item 3 are adhesively fixed with sealing strip 2.Finally using special
Sealant is poured on filleting lining item 3 by colloid-injecting gun, is made the complete uniform fold of sealant on filleting lining item 3, is formed close
Sealing waterproof layer 4, and ensure that sealant waterproof layer 4 and two sides fashioned iron 1 cohere the work for well playing sealing type steel expansion joint opening
With.4 top surface of sealant waterproof layer is trimmed to inner concave arc surface finally by scraper plate, and recessed depth is 2-8mm.
There is gap between the bottom of filleting lining item 3 and the slot bottom of slot, the deformation for serving as a contrast item 3 for filleting provides space.
The two sides of filleting lining item 3 are adhesively fixed with sealing strip 2, can prevent filleting lining item 3 mobile in the early stage, play positioning and make
With.It has added filleting lining item 3 and sealant waterproof layer 4 not only makes type steel expansion joint have better telescopicing performance, and can rise
To waterproof, LP blades, tamper-proof effect, type steel expansion joint is protected, is prolonged the service life.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, protection of the invention
Range is not construed as being only limitted to the concrete form of embodiment statement, and protection scope of the present invention is also and in those skilled in the art
Member according to the present invention design it is conceivable that equivalent technologies mean.
Claims (6)
1. expansion joint two sides are arranged in mirror image in a kind of caulking device of bridge type steel expansion joint, a pair of of fashioned iron each other, to constitute
Type steel expansion joint, fashioned iron inside are equipped with groove of the opening towards expansion joint；The both ends of sealing strip are embedded respectively in the groove
It is interior, and the centre of sealing strip is lower than both ends, and the slot of opening upwards is enclosed with the fashioned iron with two sides；It is characterized by:
It is equipped with the caulking device that can be stretched along bridge length direction in the slot, the caulking device includes filleting lining item and close
Seal the sealant waterproof layer of type steel expansion joint；
The filleting lining item has elasticity, and filleting lining item is extruded in slot；Two apex angles of filleting lining item are fastened on two respectively
In the groove of side, the inner sidewall of the lateral wall and slot of filleting lining item is mutually fixed；Filleting serve as a contrast item bottom and slot slot bottom it
Between have gap；The top surface that filleting serves as a contrast item is outer convex globoidal；
Sealant waterproof layer has elasticity, and the top of filleting lining item, sealant waterproof layer cross section is arranged in sealant waterproof layer
In the small shape in the big centre in both ends, and the both ends of sealant waterproof layer are closely coupled with the fashioned iron of two sides respectively, to seal fashioned iron
Expansion joint opening；The bottom surface of sealant waterproof layer is inner concave arc surface, the top of the bottom surface of sealant waterproof layer and filleting lining item
Face fits closely；
The cross-sectional shape of the sealing strip is V-arrangement, and the cross-sectional shape of the filleting lining item is sector.
2. a kind of caulking device of bridge type steel expansion joint as described in claim 1, it is characterised in that: the filleting lining item
Material is rubber and plastic polymer.
3. a kind of caulking device of bridge type steel expansion joint as claimed in claim 2, it is characterised in that: the filleting lining item
Material is polyethylene pearl cotton or ethylene propylene diene rubber.
4. a kind of caulking device of bridge type steel expansion joint as claimed in claim 3, it is characterised in that: the sealant waterproof
The material of layer is high molecular polymer sealant.
5. a kind of caulking device of bridge type steel expansion joint as claimed in claim 4, it is characterised in that: the sealant waterproof
Layer material is polyurethane sealant, silicone sealant or polysulfide sealant.
6. a kind of caulking device of bridge type steel expansion joint as claimed in claim 5, it is characterised in that: the type steel expansion joint
Expansion joint or modulus type expansion joint are stitched for fashioned iron list.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611172178.XA CN106638290B (en) | 2016-12-17 | 2016-12-17 | A kind of caulking device of bridge type steel expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611172178.XA CN106638290B (en) | 2016-12-17 | 2016-12-17 | A kind of caulking device of bridge type steel expansion joint |
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| Publication Number | Publication Date |
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| CN106638290A CN106638290A (en) | 2017-05-10 |
| CN106638290B true CN106638290B (en) | 2019-05-31 |
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| CN201611172178.XA Active CN106638290B (en) | 2016-12-17 | 2016-12-17 | A kind of caulking device of bridge type steel expansion joint |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487057B (en) * | 2018-05-22 | 2024-05-14 | 杭州溯真科技有限公司 | Plough nozzle type gasket |
| CN108487056B (en) * | 2018-05-22 | 2024-05-14 | 杭州溯真科技有限公司 | Bridge expansion joint device |
| CN109056517A (en) * | 2018-08-31 | 2018-12-21 | 广东通畅路桥养护科技有限公司 | A kind of noise reduction is durable to exempt to clean the bridge expansion joint installation easily conserved |
| CN111021240A (en) * | 2019-11-30 | 2020-04-17 | 郑州市交通规划勘察设计研究院 | Waterproof structure and waterproof method for bridge expansion joint |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4542529B2 (en) * | 2006-07-26 | 2010-09-15 | ニッタ株式会社 | Telescopic device |
| CN202744945U (en) * | 2012-07-20 | 2013-02-20 | 李静博 | Dustproof type bridge expansion joint |
| CN105369733A (en) * | 2015-07-20 | 2016-03-02 | 浙江工业大学 | Bridge expansion joint structure with hole closing bar |
| CN105839522B (en) * | 2016-03-31 | 2019-01-08 | 浙江工业大学 | A kind of sealant of bridge extension joint saves construction method from damage |
| CN105862579A (en) * | 2016-03-31 | 2016-08-17 | 浙江工业大学 | Application of polymer sealant in bridge expansion joint device by serving as sealant |
| CN206396628U (en) * | 2016-12-17 | 2017-08-11 | 浙江工业大学 | A kind of caulking device of bridge type steel expansion joint |
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| CN106638290A (en) | 2017-05-10 |
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