CN107313341A - A kind of small bridge is from drainage type expansion gap device - Google Patents
A kind of small bridge is from drainage type expansion gap device Download PDFInfo
- Publication number
- CN107313341A CN107313341A CN201710691308.9A CN201710691308A CN107313341A CN 107313341 A CN107313341 A CN 107313341A CN 201710691308 A CN201710691308 A CN 201710691308A CN 107313341 A CN107313341 A CN 107313341A
- Authority
- CN
- China
- Prior art keywords
- anticollision barrier
- drainage
- gap device
- type expansion
- small bridge
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 230000004888 barrier function Effects 0.000 claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 238000005336 cracking Methods 0.000 claims abstract description 6
- 210000005239 tubule Anatomy 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 2
- 239000002390 adhesive tape Substances 0.000 claims 2
- 230000003628 erosive effect Effects 0.000 claims 1
- 230000007797 corrosion Effects 0.000 abstract description 8
- 238000005260 corrosion Methods 0.000 abstract description 8
- 230000035882 stress Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 241000276489 Merlangius merlangus Species 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 238000006467 substitution reaction 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
-
- 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
- E01D19/086—Drainage arrangements or devices
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to a kind of small bridge from drainage type expansion gap device, anticollision barrier (6) is fixed with the gap both sides of beam body (7), the anticollision barrier (6) is symmetrical arranged in the side of gap two of the beam body (7), expansion joint rubber strip (1) and fastening water distributor (2) are connected between the anticollision barrier (6) of both sides, drainpipe (3) is connected on the anticollision barrier (6) of both sides.Described device have from drain function, drainage can be played, can meet bend bridge expansion joint two ends stress it is different with stroke the need for, it is not easy to cause bridge extension joint to damage, extend service life, reduce traffic safety accident；Avoid and oozed under ponding to above beam-ends and bridge pier platform, it is therefore prevented that the corrosion expansion of bearing steel plate and concrete cracking.
Description
Technical field
The invention belongs to bridge drainage system technical field, and in particular to a kind of small bridge is filled from drainage type expansion joint
Put.
Background technology
It is related in the prior art from drainage rubber extension device, such as CN2436579Y discloses a kind of from drainage rubber
Retractor device, including the rubber side press block that rubber fastening band and steel plate are put more energy into, the cross sectional shape of described rubber fastening band is U
Type, is in inclined wedge-shaped along its length in the bottom surface of U-shaped waterstop；It is respectively provided with the installing zone of the upper end both sides of U-shaped waterstop
Firmly it is connected with beam body after the rubber side press block combination that mounting hole, waterstop and steel plate are put more energy into.
It is in inclined wedge-shaped in the sole length direction of waterstop, so as to constitute both ends of the surface due to using above-mentioned technical proposal
Difference in height, ponding is flowed to low one end from high one end and is discharged.The structure of apparatus of the present invention has from draining work(
Can, draining sealing effect can be played.Because the waterstop in apparatus of the present invention is U-shaped section, the flexible width at U-shaped waterstop two ends
Degree is different, when for bending bridge, and the shape of apparatus of the present invention can meet bending bridge expansion joint two ends stress and stroke not
With the need for, so as to extend the service life of waterstop.But invention CN2436579Y draining is the height by end face
What difference was formed, therefore draining can not be smooth, can be overflowed when ponding is more, to bridge pavement formation ponding, influences traffic.
Current bridge extension joint is easy to damage without improving, once it is destroyed, by have a strong impact on driving speed,
Comfortableness and safety, or even cause traffic safety accident.Bridge floor rainwater under expansion joint by oozing to above beam-ends and bridge pier platform, shadow
Beam-ends and beam bottom bearing are rung, causes corrosion of bearing steel plate etc..Current bridge extension joint is not from drainage arrangement, as long as existing
There is extrusome to damage and begin to leak.
The technical problem underlying that the bridge extension joint of prior art is present includes：Leak at expansion joint, outward appearance have watermark,
Concrete whitens, and influences attractive in appearance.Beam end reinforcing bar easy-to-rust expands, concrete cracking.Water is flowed at bearing, accelerates bearing old
Change.There is bearing leveling steel plate, water makes leveling steel plate corrosion, influence the use of bearing, limitation beam body is stretched, the service life of beam
Shorten.
The content of the invention：
In order to solve the above technical problems, the present invention proposes a kind of small bridge from drainage type expansion gap device, in beam body
Anticollision barrier is fixed with the both sides of gap, the anticollision barrier is symmetrical arranged in the side of gap two of the beam body, the institute of both sides
State and expansion joint rubber strip and fastening water distributor are connected between anticollision barrier, connected respectively on the anticollision barrier of both sides
There is drainpipe, the drainpipe is in [type, including upper lateral tube, vertical duct and lower transverse tubule, the upper lateral tube connect the anticollision shield
Column, the lower transverse tubule connects the beam body.
Further, described fastening water distributor includes C-type steel groove and blocked water the rubber strip that catchments, the C-type steel groove and
Block water the catchment two ends of rubber strip connect the anticollision barriers of both sides respectively, and the C-type steel groove raises up in arc type.
Further, described block water catchments rubber strip to recessed, in the big V-shape of opening, the opening angle 175 °-
60°。
Further, the rubber strip two ends of catchmenting of blocking water are stretched in the upper lateral tube, and are protected by the anticollision
Column is fixed.
Further, the drainpipe is fixedly connected by Q235B spacer ferrules with described beam body.
Further, the expansion joint rubber strip is into the recessed wave structure of the raised interlude in two ends.
Further, in the anticollision barrier described in block water catchment be fixed on again after the folded circle of rubber strip winding it is described anti-
Hit in guardrail.
Further, longitudinal drainage pipe is connected on the lower transverse tubule.
Further, the drainpipe is flowed into after collecting during beam body ponding by the fastening water distributor, is further converged
Flowed out after collection by the longitudinal drainage pipe；The small bridge has from drain function from drainage type expansion gap device, can rise
Drainage, can meet bending bridge expansion joint two ends stress it is different with stroke the need for, it is not easy to cause bridge is flexible to fill
Damage is put, service life is extended, traffic safety accident is reduced；Avoid and oozed under ponding to above beam-ends and bridge pier platform, prevented
Corrosion expansion and the concrete cracking of bearing steel plate are stopped.
The small bridge of the present invention solves the problem of current technology is present from drainage type expansion gap device：1st, using the dress
Postpone at expansion joint will not leak, outward appearance do not have watermark, concrete whiting situation.2nd, using will not be leaked at expansion joint after the device
Water, beam end reinforcing bar is difficult corrosion expansion, and concrete is not easy to crack.3rd, using at expansion joint after the device will not leak, water is not
It can flow at bearing, bearing is non-aging etc..The beneficial effects of the invention are as follows driving comfortably with safety, extend bridge use
Life-span.
Further, the drainpipe is flowed into after collecting during beam body ponding by the fastening water distributor, is further converged
Flowed out after collection by the longitudinal drainage pipe；The small bridge has from drain function from drainage type expansion gap device, can rise
Drainage, can meet bending bridge expansion joint two ends stress it is different with stroke the need for, it is not easy to cause bridge is flexible to fill
Damage is put, service life is extended, traffic safety accident is reduced；Avoid and oozed under ponding to above beam-ends and bridge pier platform, prevented
Corrosion expansion and the concrete cracking of bearing steel plate are stopped.
Brief description of the drawings：
In order to illustrate the technical solution of the embodiments of the present invention more clearly, being used required in being described below to embodiment
Accompanying drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill of field, on the premise of not paying creative work, it can also obtain other according to these accompanying drawings
Accompanying drawing.The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 for direction across bridge facade bridge from drainage type expansion gap device schematic diagram.
Fig. 2 for direction across bridge section bridge from drainage type expansion gap device schematic diagram.
Fig. 3 is fastening water distributor schematic diagram.
Wherein, 1 expansion joint rubber strip, 2 fastening water distributors, 2-1C shaped steel grooves, 2-2 blocks water the rubber strip that catchments, 3 vertical rows
Water pipe, 4 longitudinal drainage pipes, 5 Q235B spacer ferrules, 6 anticollision barriers, 7 girder constructions.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Embodiment 1：
A kind of small bridge is fixed with anticollision barrier 6, institute from drainage type expansion gap device on the gap both sides of beam body 7
State anticollision barrier 6 to be symmetrical arranged in the side of gap two of the beam body 7, be connected between the anticollision barrier 6 of both sides flexible
Rubber strip 1 and fastening water distributor 2 are stitched, drainpipe 3, the drainpipe 3 are connected on the anticollision barrier 6 of both sides
In [type, including upper lateral tube, vertical duct and lower transverse tubule, the upper lateral tube connect the anticollision barrier 6, and the lower transverse tubule connects institute
State beam body 7.Described fastening water distributor 2 include C-type steel groove 2-1 and blocking water catchment rubber strip 2-2, the C-type steel groove 2-1 and
Block water catchment rubber strip 2-2 two ends connect the anticollision barriers 6 of both sides respectively, and the C-type steel groove 2-1 raises up in bow
Font.Described block water catchments rubber strip 2-2 to recessed, and in the big V-shape of opening, the opening angle is at 175 ° -60 °.It is described
Block water rubber strip 2-2 two ends of catchmenting are stretched in the upper lateral tube, and are fixed by the anticollision barrier 6.The drainpipe 3
It is fixedly connected by Q235B spacer ferrules 5 with described beam body 7.The expansion joint rubber strip 1 is recessed into the raised interlude in two ends
Wave structure.Block water to catchment described in the anticollision barrier 6 and be fixed on the anticollision shield again after the folded circle of rubber strip 2-2 windings
In column 6.Longitudinal drainage pipe 4 is connected on the lower transverse tubule.
The drainpipe 3 is flowed into after collecting during beam body ponding by the fastening water distributor 2, is passed through after further collecting
The longitudinal drainage pipe 4 flows out；The small bridge has from drain function from drainage type expansion gap device, can play draining work
With, can meet bending bridge expansion joint two ends stress it is different with stroke the need for, it is not easy to cause bridge extension joint to damage, prolong
Service life has been grown, traffic safety accident is reduced；Avoid and oozed under ponding to above beam-ends and bridge pier platform, it is therefore prevented that bearing steel
The corrosion expansion of plate and concrete cracking.
Further, the C-type steel groove 2-1 raises up in arc type.Described block water catchments rubber strip 2-2 to recessed,
In the big V-shape of opening, the opening angle is found when selecting the opening angle scope after tested at 150 ° -130 °, described
Block water catchment rubber strip 2-2 buffer spring effect more preferably, with significantly in the present invention, above-mentioned a wide range of (opening angle exists
175 ° -60 °) positive effect, with unexpected technique effect, inventor judges be due to this angular range with it is flexible
Stitching rubber strip 1, fastening water distributor 2, drainpipe 3 has the result of synergy.Same takes the angle, preferably solution
Determine problems of the prior art：Using at expansion joint after the device will not leak, outward appearance do not have watermark, concrete whiting
Situation.Using at expansion joint after the device will not leak, beam end reinforcing bar is difficult corrosion expansion, and concrete is easy to crack.Use
After the device at expansion joint will not leak, water will not be flowed at bearing, and bearing is non-aging etc..The beneficial effects of the invention are as follows
Driving comfortably with safety, extend bridge service life.
The benefit of economic aspect be specially improve driving comfortably with safety, extend bridge service life.Sometimes one
The flexible sewing of bridge block needs 200,000 or so, is bridge early stage to enter overhaul or damage if as expansion joint problem, causes
Economic loss at least 500,000.
Above-described embodiment is merely to illustrate the composition of multifunctional intelligent catalyst test apparatus disclosed by the invention, connection
Mode and application method, the present invention are not intended to protect any method, product only as defined in the legal rule of protection character, and above-described embodiment is simultaneously
The present invention is not limited, any modification, the equivalent substitution of part and improvement for being made within the spirit and principles of the invention etc.,
It is all contained within protection scope of the present invention.
Claims (9)
1. a kind of small bridge is from drainage type expansion gap device, it is characterised in that：It is fixed with the gap both sides of beam body (7) anti-
Guardrail (6) is hit, the anticollision barrier (6) is symmetrical arranged in the side of gap two of the beam body (7), the anticollision barrier of both sides
(6) expansion joint rubber strip (1) and fastening water distributor (2) are connected between, is connected respectively on the anticollision barrier (6) of both sides
Drainpipe (3) is connected to, the drainpipe (3) is in [type, including upper lateral tube, vertical duct and lower transverse tubule, the upper lateral tube connection are described
Anticollision barrier (6), the lower transverse tubule connects the beam body (7).
2. small bridge according to claim 1 is from drainage type expansion gap device, it is characterised in that：Described fastening water guide
Mechanism (2) includes C-type steel groove (2-1) and the rubber strip (2-2) that catchments that blocks water, the C-type steel groove (2-1) and the rubber strip that catchments that blocks water
The two ends of (2-2) connect the anticollision barrier (6) of both sides respectively, and the C-type steel groove (2-1) raises up in arc type.
3. small bridge according to claim 2 is from drainage type expansion gap device, it is characterised in that：The rubber of catchmenting that blocks water
Adhesive tape (2-2) is to recessed, and in the big V-shape of opening, the opening angle is at 175 ° -60 °.
4. small bridge according to claim 3 is from drainage type expansion gap device, it is characterised in that：The rubber of catchmenting that blocks water
Adhesive tape (2-2) two ends are stretched in the upper lateral tube, and fixed by the anticollision barrier (6).
5. small bridge according to claim 4 is from drainage type expansion gap device, it is characterised in that：The drainpipe (3)
It is fixedly connected by Q235B spacer ferrules (5) with described beam body (7).
6. small bridge according to claim 5 is from drainage type expansion gap device, it is characterised in that：The expansion joint rubber
Bar (1) is into the recessed wave structure of the raised interlude in two ends.
7. small bridge according to claim 6 is from drainage type expansion gap device, it is characterised in that：In the anticollision barrier
(6) block water to catchment after rubber strip (2-2) winds folded circle described in and be fixed on again in the anticollision barrier (6).
8. small bridge according to claim any one of 1-7 is from drainage type expansion gap device, it is characterised in that：Described
Longitudinal drainage pipe (4) is connected on lower transverse tubule.
9. small bridge according to claim any one of 1-8 is from drainage type expansion gap device, it is characterised in that：Beam body is accumulated
The drainpipe (3) is flowed into after collecting during water by the fastening water distributor (2), is arranged after further collecting by the longitudinal direction
Water pipe (4) flows out；The small bridge has from drain function from drainage type expansion gap device, can play drainage, can be full
The need for foot bending bridge expansion joint two ends stress is different with stroke, it is not easy to cause bridge extension joint to damage, extending makes
With the life-span, traffic safety accident is reduced；Avoid and oozed under ponding to above beam-ends and bridge pier platform, it is therefore prevented that the rust of bearing steel plate
Erosion expansion and concrete cracking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710691308.9A CN107313341A (en) | 2017-08-14 | 2017-08-14 | A kind of small bridge is from drainage type expansion gap device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710691308.9A CN107313341A (en) | 2017-08-14 | 2017-08-14 | A kind of small bridge is from drainage type expansion gap device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107313341A true CN107313341A (en) | 2017-11-03 |
Family
ID=60175684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710691308.9A Pending CN107313341A (en) | 2017-08-14 | 2017-08-14 | A kind of small bridge is from drainage type expansion gap device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107313341A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109537471A (en) * | 2019-01-15 | 2019-03-29 | 中冶华天工程技术有限公司 | Harmful influence across sensitive water body bridge reveals emergent treatment system and construction method |
| CN110158458A (en) * | 2019-06-18 | 2019-08-23 | 中国五冶集团有限公司 | A kind of bridge expansion joint structure |
| CN111188265A (en) * | 2020-02-18 | 2020-05-22 | 江苏平山交通设施有限公司 | Curved surface shock absorption and noise reduction telescopic device for highway bridge |
| CN112695629A (en) * | 2020-12-24 | 2021-04-23 | 南通市交通建设工程有限公司 | Public road bridge roof beam expansion joint protective structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2253356Y (en) * | 1996-07-11 | 1997-04-30 | 梁双库 | Multi-functional expansion apparatus for bridge |
| KR20100057559A (en) * | 2010-04-29 | 2010-05-31 | 고재용 | For both leakage protection and drainage equipment of expansion joint on bridge |
| CN203256610U (en) * | 2013-05-28 | 2013-10-30 | 赵卫星 | Road bridge expansion joint |
| CN103711075A (en) * | 2014-01-24 | 2014-04-09 | 宁波路宝科技实业集团有限公司 | Water stop and guide structure of bridge expansion joint |
| CN206308613U (en) * | 2016-11-25 | 2017-07-07 | 北京市市政工程设计研究总院有限公司 | Beam-ends percolating water ejector at a kind of expansion joint |
| CN207295432U (en) * | 2017-08-14 | 2018-05-01 | 魏东海 | Small bridge is from drainage type expansion gap device |
-
2017
- 2017-08-14 CN CN201710691308.9A patent/CN107313341A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2253356Y (en) * | 1996-07-11 | 1997-04-30 | 梁双库 | Multi-functional expansion apparatus for bridge |
| KR20100057559A (en) * | 2010-04-29 | 2010-05-31 | 고재용 | For both leakage protection and drainage equipment of expansion joint on bridge |
| CN203256610U (en) * | 2013-05-28 | 2013-10-30 | 赵卫星 | Road bridge expansion joint |
| CN103711075A (en) * | 2014-01-24 | 2014-04-09 | 宁波路宝科技实业集团有限公司 | Water stop and guide structure of bridge expansion joint |
| CN206308613U (en) * | 2016-11-25 | 2017-07-07 | 北京市市政工程设计研究总院有限公司 | Beam-ends percolating water ejector at a kind of expansion joint |
| CN207295432U (en) * | 2017-08-14 | 2018-05-01 | 魏东海 | Small bridge is from drainage type expansion gap device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109537471A (en) * | 2019-01-15 | 2019-03-29 | 中冶华天工程技术有限公司 | Harmful influence across sensitive water body bridge reveals emergent treatment system and construction method |
| CN109537471B (en) * | 2019-01-15 | 2024-04-05 | 中冶华天工程技术有限公司 | Dangerous chemical leakage emergency treatment system crossing sensitive water bridge and construction method |
| CN110158458A (en) * | 2019-06-18 | 2019-08-23 | 中国五冶集团有限公司 | A kind of bridge expansion joint structure |
| CN110158458B (en) * | 2019-06-18 | 2021-06-29 | 中国五冶集团有限公司 | Bridge expansion joint structure |
| CN111188265A (en) * | 2020-02-18 | 2020-05-22 | 江苏平山交通设施有限公司 | Curved surface shock absorption and noise reduction telescopic device for highway bridge |
| CN112695629A (en) * | 2020-12-24 | 2021-04-23 | 南通市交通建设工程有限公司 | Public road bridge roof beam expansion joint protective structure |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20171103 |