CN106702891A - Concealed joint type telescopic joint structure - Google Patents
Concealed joint type telescopic joint structure Download PDFInfo
- Publication number
- CN106702891A CN106702891A CN201611172200.0A CN201611172200A CN106702891A CN 106702891 A CN106702891 A CN 106702891A CN 201611172200 A CN201611172200 A CN 201611172200A CN 106702891 A CN106702891 A CN 106702891A
- Authority
- CN
- China
- Prior art keywords
- anchor bar
- elastic sealing
- sealing layer
- layer
- joint structure
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 45
- 238000004873 anchoring Methods 0.000 claims abstract 10
- 239000004567 concrete Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 239000010426 asphalt Substances 0.000 claims description 5
- 239000012209 synthetic fiber Substances 0.000 claims description 5
- 229920002994 synthetic fiber Polymers 0.000 claims description 5
- 239000013536 elastomeric material Substances 0.000 claims description 3
- 229920006332 epoxy adhesive Polymers 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 239000012858 resilient material Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims 2
- 238000006116 polymerization reaction Methods 0.000 claims 1
- 239000000565 sealant Substances 0.000 claims 1
- 239000002689 soil Substances 0.000 claims 1
- 239000013013 elastic material Substances 0.000 abstract description 2
- 230000002787 reinforcement Effects 0.000 abstract 8
- 239000010410 layer Substances 0.000 description 39
- 238000005516 engineering process Methods 0.000 description 4
- 239000011384 asphalt concrete Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000005871 repellent Substances 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000009408 flooring Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010023203 Joint destruction Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- KFZAUHNPPZCSCR-UHFFFAOYSA-N iron zinc Chemical compound [Fe].[Zn] KFZAUHNPPZCSCR-UHFFFAOYSA-N 0.000 description 1
- 230000008407 joint function Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Classifications
-
- 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
- E01D19/067—Flat continuous joints cast in situ
-
- 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
- E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
- E01D19/083—Waterproofing of bridge decks; Other insulations for bridges, e.g. thermal ; Bridge deck surfacings
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a concealed joint type telescopic joint structure, wherein an elastic sealing layer is filled in an installing slot, and an elastic sealing layer covers the top opening of the telescopic joint; the outer wall face of the elastic sealing layer is bonded with the inner wall face of the installing slot; a waterproof layer is paved between the elastic sealing layer and the pavement layer; a first anchoring reinforcement is arranged between an abutment back wall and the elastic sealing layer, the bottom end of the first anchoring reinforcement is located in the abutment back wall, and the top end of the first anchoring reinforcement is penetrated to the elastic sealing layer and horizontally extended along the elastic sealing layer; a second anchoring reinforcement is arranged between the beam end of the main beam and the elastic sealing layer, and the bottom end of the second anchoring reinforcement is located in the beam end of the main beam, and the top end of the second anchoring reinforcement is penetrated to the elastic sealing layer and horizontally extended along the elastic sealing layer; the top end of the first anchoring reinforcement is overlapped with the top end of the second anchoring reinforcement; elastic materials are filled in the telescopic joint.
Description
Technical field
The present invention relates to a kind of stowing formula expanded joint structure.
Background technology
In traditional bridge structure, for vehicle is smoothly passed bridge floor and meet bridge floor deform the need for, typically two
Between beam-ends and between beam-ends and abutment parados, bridge extension joint is set.The type of bridge extension joint has U-shaped zinc-iron skin
Retractor device, across taking steel plate type retractor device, Telescopic rubber device etc., current multiplex Telescopic rubber device.
During bridge use, bridge extension joint is position that is most fragile and being relatively difficult to repairerment in bridge, is needed
Often to conserve, and change in time.After bridge extension joint destruction, the Free Transform of bridge can be not only influenceed, also result in bridge
The infiltration of face current, penetrating into for current can influence the corrosion including the bridge substructure including bearing again, this further influence
The security and durability of bridge structure.
The content of the invention
To overcome defect present in background technology, the present invention to provide a kind of stowing formula expanded joint structure.
Technical proposal that the invention solves the above-mentioned problems is：
A kind of stowing formula expanded joint structure, the beam-ends of girder is placed on platform cap, and girder beam-ends and abutment parados it
Between leave expansion joint, supercrust, the supercrust of top, the Abutment Back of both sides are equipped with above the top of girder and abutment parados
Wall and beam-ends enclose above expansion joint and elastic sealing layer, elastic packing are filled with a mounting groove, the mounting groove
The open top at layer covering expansion joint, the outside wall surface of elastic sealing layer is bonded with the internal face of mounting groove；Elastic sealing layer and road
Waterproof layer is equipped between surface layer；
The first anchor bar is provided between abutment parados and elastic sealing layer, the bottom of the first anchor bar is located at Abutment Back
Within the walls, and the first anchor bar top penetrate it is in elastic sealing layer and horizontal-extending along elastic sealing layer；
The second anchor bar is provided between the beam-ends and elastic sealing layer of girder, the bottom of the second anchor bar is located at girder
Beam-ends in, and the second anchor bar top penetrate it is in elastic sealing layer and horizontal-extending along elastic sealing layer；
The top overlap joint of the top of the first anchor bar and the second anchor bar；
Resilient material is filled in the expansion joint.
Further, the first anchor bar and the second anchor bar axle are symmetrical on expansion joint.
Further, the first anchor bar and the second anchor bar are in inverted L-shaped, the first anchor bar and the second anchor bar
Structure, size all same.
Further, the supercrust is asphalt concrete pavement layer.
Further, bonded by epoxy adhesive between mounting groove internal face and elastic sealing layer outside wall surface.
Further, elastic sealing layer is synthetic fiber concrete layer.
Further, the diameter of first anchor bar of the length of the first anchor bar more than 6 times, the length of the second anchor bar
The diameter of second anchor bar of the degree more than 6 times.
Further, the elastomeric material in the expansion joint is cystosepiment.
Further, the material of the waterproof layer is polymer modified asphalt water-repellent paint.
Beneficial effects of the present invention are mainly manifested in：
1. synthetic fiber concrete can effectively improve the characteristics such as supercrust anti-shrink, cracking resistance, shock resistance, so as to meet bridge floor
Because of the dilatation that temperature Change is produced.
2. waterproof layer combines to form double-deck waterproof with supercrust, after effectively preventing the dissolving of the materials such as rainwater and deicer salts
Infringement of the snow-broth to bridge structure.
3. transform existing bridge expanssion joint and realize that the process of seamless process can avoid interruption of communication by phase in,
Construction is simple, quick.
Brief description of the drawings
Fig. 1 is the beam-ends and Abutment Back wall construction schematic diagram of girder.
Fig. 2 is structural representation of the invention.
Fig. 3 is to remove former retractor device and cut the structural representation after the floorings between abutment parados and beam-ends end face
Figure.
Fig. 4 is to set the structural representation after the first anchor bar and the second anchor bar and brushwork epoxy resin binding agent
Figure.
Specific embodiment
Referring to the drawings, a kind of stowing formula expanded joint structure, the beam-ends 2 of girder is placed on platform cap 10, and girder beam-ends 2
Expansion joint is left between abutment parados 1, the top of girder and the top of abutment parados 1 are equipped with supercrust 6,
The abutment parados 1 and beam-ends 2 of the supercrust 6, both sides of top enclose a mounting groove, institute above expansion joint
State filled with elastic sealing layer 5 in mounting groove, elastic sealing layer 5 covers the open top at expansion joint, the outer wall of elastic sealing layer 5
Face bonds with the internal face of mounting groove；Waterproof layer 8 is equipped between elastic sealing layer 5 and supercrust 6；
The first anchor bar 4 is provided between abutment parados 1 and elastic sealing layer 5, the bottom of the first anchor bar 4 is located at bridge
In platform parados 1, and the first anchor bar 4 top penetrate it is in elastic sealing layer 5 and horizontal-extending along elastic sealing layer 5；
The second anchor bar 7 is provided between the beam-ends 2 and elastic sealing layer 5 of girder, the bottom of the second anchor bar 7 is located at
In the beam-ends 2 of girder, and the second anchor bar 7 top penetrate it is in elastic sealing layer 5 and horizontal-extending along elastic sealing layer 5；
The top overlap joint of the top of the first anchor bar 4 and the second anchor bar 7；
Resilient material 3 is filled in the expansion joint.
First anchor bar 4 and the second anchor bar axle 7 are symmetrical on expansion joint.
First anchor bar 4 and the second anchor bar 7 are in inverted L-shaped, the first anchor bar 4 and the second anchor bar 7
Structure, size all same.
The supercrust 6 is asphalt concrete pavement layer.
Bonded by epoxy adhesive 9 between mounting groove internal face and the outside wall surface of elastic sealing layer 5.
Elastic sealing layer 5 is synthetic fiber concrete layer.
The diameter of first anchor bar 4 of the length of the first anchor bar 4 more than 6 times, the length of the second anchor bar 7 is big
In the diameter of 6 times of the second anchor bar 7.Under seismic loading, bridge liquid does not collapse.
Elastomeric material 3 in the expansion joint is cystosepiment.
The material of the waterproof layer is polymer modified asphalt water-repellent paint.
In the present embodiment, the upper berth of the elastic sealing layer 5 is set up defences water layer 8, and waterproof layer 8 forms double-deck waterproof with supercrust 6,
Infringement of the effective snow-broth prevented after the dissolving of the materials such as rainwater and deicer salts to bridge structure.
Work progress of the invention is as follows：
The former retractor device between the beam-ends 2 and abutment parados 1 of existed concrete bridge bridge is removed, abutment parados 1 is cut and is pushed up
Floorings between portion and beam-ends end face, as shown in Figure 3；
Filling elastic material 3 in expansion joint；
First anchor bar 4 and the second anchor bar 7, and the brushing asphalt mixtures modified by epoxy resin on abutment parados 1 and the end face of beam-ends 2 are set
Fat binding agent 9, as shown in Figure 4；
Pour synthetic fiber concrete, form elastic sealing layer 5, after maintenance, set up defences water layer 8 on the upper berth of elastic sealing layer 5
(i.e. brush polymer modified asphalt water-repellent paint), last asphalt concrete forms supercrust 6, as shown in Figure 2.
The present invention both have certain Telescopic, can play again protection expansion joint function, additionally, remove beam-ends with
Retractor device between abutment, the effective planarization for improving bridge floor improves durability, water proofing property, and design, easy construction.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, protection of the invention
Scope is not construed as being only limitted to the concrete form that embodiment is stated, protection scope of the present invention also includes art technology
Personnel according to present inventive concept it is conceivable that equivalent technologies mean.
Claims (9)
1. a kind of stowing formula expanded joint structure, the beam-ends of girder is placed on platform cap, and between the beam-ends and abutment parados of girder
Leave expansion joint, it is characterised in that：Supercrust, the supercrust of top, two are equipped with above the top of girder and abutment parados
The abutment parados and beam-ends of side enclose above expansion joint and elastic packing are filled with a mounting groove, the mounting groove
Layer, elastic sealing layer covers the open top at expansion joint, and the outside wall surface of elastic sealing layer is bonded with the internal face of mounting groove；Elasticity
Waterproof layer is equipped between sealant and supercrust；
The first anchor bar is provided between abutment parados and elastic sealing layer, the bottom of the first anchor bar is located at abutment parados
It is interior, and the first anchor bar top penetrate it is in elastic sealing layer and horizontal-extending along elastic sealing layer；
The second anchor bar is provided between the beam-ends and elastic sealing layer of girder, the bottom of the second anchor bar is located at the beam of girder
In end, and the second anchor bar top penetrate it is in elastic sealing layer and horizontal-extending along elastic sealing layer；
The top overlap joint of the top of the first anchor bar and the second anchor bar；
Resilient material is filled in the expansion joint.
2. a kind of stowing formula expanded joint structure as claimed in claim 1, it is characterised in that：First anchor bar and the second anchoring
Reinforcing bar axle is symmetrical on expansion joint.
3. a kind of stowing formula expanded joint structure as claimed in claim 2, it is characterised in that：First anchor bar and the second anchoring
Reinforcing bar is in structure, the size all same of inverted L-shaped, the first anchor bar and the second anchor bar.
4. a kind of stowing formula expanded joint structure as claimed in claim 3, it is characterised in that：The supercrust is bituminous concrete
Supercrust.
5. a kind of stowing formula expanded joint structure as claimed in claim 4, it is characterised in that：Mounting groove internal face and elastic packing
Bonded by epoxy adhesive between layer outside wall surface.
6. a kind of stowing formula expanded joint structure as claimed in claim 5, it is characterised in that：Elastic sealing layer is mixed for synthetic fibers
Solidifying soil layer.
7. a kind of stowing formula expanded joint structure as claimed in claim 6, it is characterised in that：The length of the first anchor bar is more than
The diameter of 6 times of the first anchor bar, the diameter of second anchor bar of the length more than 6 times of the second anchor bar.
8. a kind of stowing formula expanded joint structure as claimed in claim 7, it is characterised in that：Elastomeric material in the expansion joint
It is cystosepiment.
9. a kind of stowing formula expanded joint structure as claimed in claim 8, it is characterised in that：The material of the waterproof layer is polymerization
Thing modified waterproof asphalt material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611172200.0A CN106702891A (en) | 2016-12-17 | 2016-12-17 | Concealed joint type telescopic joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611172200.0A CN106702891A (en) | 2016-12-17 | 2016-12-17 | Concealed joint type telescopic joint structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106702891A true CN106702891A (en) | 2017-05-24 |
Family
ID=58939020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611172200.0A Pending CN106702891A (en) | 2016-12-17 | 2016-12-17 | Concealed joint type telescopic joint structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106702891A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237476A (en) * | 2017-07-18 | 2017-10-10 | 苏州美瑞德建筑装饰有限公司 | Accomodation ground stone material paving mounting structure |
| CN108252208A (en) * | 2018-03-07 | 2018-07-06 | 佛山科学技术学院 | A kind of bridge deformation seam |
| CN108842606A (en) * | 2018-07-19 | 2018-11-20 | 贵州磷镁材料有限公司 | It is a kind of based on the seamless bridge expansion joint of phosphorus magnesium material and its construction method |
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| CN202989772U (en) * | 2012-11-21 | 2013-06-12 | 浙江科博加固工程有限公司 | Bridge surface continuous structure |
| JP5620687B2 (en) * | 2010-02-08 | 2014-11-05 | 大久保 彰 | Telescopic device used for bridge and method for manufacturing the same |
| CN204039864U (en) * | 2014-07-17 | 2014-12-24 | 西南交通建设集团股份有限公司 | Concrete structure above a kind of gap be applied in bridge or road |
| CN204608599U (en) * | 2015-05-11 | 2015-09-02 | 苏交科集团股份有限公司 | The sliding seamless expansion-contraction devices of comb |
| CN205012219U (en) * | 2015-09-18 | 2016-02-03 | 安徽省交通规划设计研究总院股份有限公司 | Novel modified seamless formula of polymer elastic material of polyurethane is flexible device |
| CN206396627U (en) * | 2016-12-17 | 2017-08-11 | 浙江工业大学 | A kind of stowing formula expanded joint structure |
-
2016
- 2016-12-17 CN CN201611172200.0A patent/CN106702891A/en active Pending
Patent Citations (6)
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|---|---|---|---|---|
| JP5620687B2 (en) * | 2010-02-08 | 2014-11-05 | 大久保 彰 | Telescopic device used for bridge and method for manufacturing the same |
| CN202989772U (en) * | 2012-11-21 | 2013-06-12 | 浙江科博加固工程有限公司 | Bridge surface continuous structure |
| CN204039864U (en) * | 2014-07-17 | 2014-12-24 | 西南交通建设集团股份有限公司 | Concrete structure above a kind of gap be applied in bridge or road |
| CN204608599U (en) * | 2015-05-11 | 2015-09-02 | 苏交科集团股份有限公司 | The sliding seamless expansion-contraction devices of comb |
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Non-Patent Citations (1)
| Title |
|---|
| 庄军生等: "《公路桥梁伸缩装置》", 31 January 2015 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237476A (en) * | 2017-07-18 | 2017-10-10 | 苏州美瑞德建筑装饰有限公司 | Accomodation ground stone material paving mounting structure |
| CN108252208A (en) * | 2018-03-07 | 2018-07-06 | 佛山科学技术学院 | A kind of bridge deformation seam |
| CN108842606A (en) * | 2018-07-19 | 2018-11-20 | 贵州磷镁材料有限公司 | It is a kind of based on the seamless bridge expansion joint of phosphorus magnesium material and its construction method |
| CN108842606B (en) * | 2018-07-19 | 2020-01-31 | 贵州磷镁材料有限公司 | seamless bridge expansion joint based on phosphorus-magnesium material and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170524 |