CN108842605A - A kind of simply supported girder bridge expansion gap device - Google Patents
A kind of simply supported girder bridge expansion gap device Download PDFInfo
- Publication number
- CN108842605A CN108842605A CN201810747314.6A CN201810747314A CN108842605A CN 108842605 A CN108842605 A CN 108842605A CN 201810747314 A CN201810747314 A CN 201810747314A CN 108842605 A CN108842605 A CN 108842605A
- Authority
- CN
- China
- Prior art keywords
- steel plate
- simply supported
- fixing end
- supported beam
- movable end
- 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
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 127
- 239000010959 steel Substances 0.000 claims abstract description 127
- 239000011384 asphalt concrete Substances 0.000 claims abstract description 8
- 238000005728 strengthening Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 3
- 239000010687 lubricating oil Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002344 surface layer Substances 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of simply supported girder bridge expansion gap devices, including simply supported beam fixing end, the side of the simply supported beam fixing end is provided with simply supported beam movable end, the upper end of the simply supported beam fixing end is provided with fixing end steel plate, the upper end of the simply supported beam movable end is provided with movable end steel plate, the rear side of the fixing end steel plate and movable end steel plate is filled with the Sub-course Asphalt Concrete, elongated steel plate is fixedly installed above the fixing end steel plate and movable end steel plate, the top of the elongated steel plate has poured the Sub-course Asphalt Concrete, asphalitine is filled between the elongated steel plate and simply supported beam movable end end side；Structure of the invention design rationally, by setting movable end steel plate and fixing end steel plate can guarantee simply supported beam free extension, ensure that the safe application performance of bridge；It also ensuring during vehicle pass-through there is no excess impact gap simultaneously, guarantees that vehicle smoothly passes through, road-ability is good, and it is practical, it is conducive to promote.
Description
Technical field
The present invention relates to technical field of bridge engineering, specially a kind of simply supported girder bridge expansion gap device.
Background technique
Bridge extension joint is to stretch to make vehicle smoothly pass bridge floor and meet bridge deck structure deformation needs in bridge floor
Device is arranged in seam crossing, and existing highway bridge expansion joint mostly uses modular expansion device, and high-frequency shake can occur when automobile passes through
Movable property gives birth to excessive noise, will appear swing and torsional deflection under the harsh conditions such as wind-force, vehicle-mounted or earthquake, security risk compared with
Height, for this purpose, it is proposed that a kind of simply supported girder bridge expansion gap device.
Summary of the invention
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of simply supported girder bridge expansion gap device
Problem.
To achieve the above object, the present invention provides the following technical solutions：A kind of simply supported girder bridge expansion gap device, including freely-supported
Beam fixing end, the side of the simply supported beam fixing end are provided with simply supported beam movable end, and the upper end of simply supported beam fixing end and freely-supported
With on a horizontal plane, the upper end of the simply supported beam fixing end is provided with fixing end steel plate, the letter for the upper end of beam movable end
The upper end of strutbeam movable end is provided with movable end steel plate, is embedded with L inside the simply supported beam fixing end and simply supported beam movable end
Type strengthening steel slab, and the upper end of L-type strengthening steel slab is welded with the lower surface of fixing end steel plate, movable end steel plate, the fixation
The rear side of end steel plate and movable end steel plate is filled with the Sub-course Asphalt Concrete, and the fixing end steel plate is towards movable end steel plate
Side transverse weld have more fixed steel poles, the movable end steel plate has more towards the side transverse weld of fixing end steel plate
Steel pole casing, the fixed steel pole are plugged in corresponding steel pole casing, the fixing end steel plate and movable end steel plate it is upper
Side is fixedly installed elongated steel plate, and the top of the elongated steel plate has poured the Sub-course Asphalt Concrete, the elongated steel plate with
Asphalitine is filled between simply supported beam movable end end side.
Preferably, the thickness of the fixing end steel plate and movable end steel plate is disposed as 15mm, the fixed steel pole it is straight
Diameter is set as 5mm, is coated with lubricating oil on the inner wall of the steel pole casing.
Preferably, the fixed steel pole and steel pole casing direction across bridge are that one, and corresponding fixation are arranged at interval of 20cm
The center of steel pole and steel pole casing is on same straight line.
Preferably, it is all made of and is welded and fixed between the elongated steel plate and fixing end steel plate, movable end steel plate, and elongated steel
It is reinforced by two high-strength bolts between plate and fixing end steel plate, movable end steel plate.
Compared with prior art, the beneficial effects of the invention are as follows：Structure of the invention design rationally, passes through setting movable end steel
Plate and fixing end steel plate can guarantee simply supported beam free extension, ensure that the safe application performance of bridge；Vehicle is also ensured simultaneously
There is no excess impact gap during current, guarantees that vehicle smoothly passes through, road-ability is good, and it is practical, conducive to pushing away
Extensively.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is steel pole casing schematic diagram of the present invention.
In figure：Simply supported beam fixing end 1, simply supported beam movable end 2, fixing end steel plate 3, movable end steel plate 4, L-type strengthening steel slab
5, elongated steel plate 6, high-strength bolt 7, fixed steel pole 8, steel pole casing 9, the Sub-course Asphalt Concrete 10, asphalitine 11, pitch
Concrete surface layer 12.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution referring to FIG. 1-2,：A kind of simply supported girder bridge expansion gap device, including simply supported beam
Fixing end 1, the side of simply supported beam fixing end 1 are provided with simply supported beam movable end 2, and the upper end of simply supported beam fixing end 1 and simply supported beam
With on a horizontal plane, the upper end of simply supported beam fixing end 1 is provided with fixing end steel plate 3, simply supported beam activity for the upper end of movable end 2
The upper end at end 2 is provided with movable end steel plate 4, and the thickness of fixing end steel plate 3 and movable end steel plate 4 is disposed as 15mm, simply supported beam
It is embedded with L-type strengthening steel slab 5 inside fixing end 1 and simply supported beam movable end 2, and the upper end of L-type strengthening steel slab 5 is and fixing end
The rear side of the lower surface welding of steel plate 3, movable end steel plate 4, fixing end steel plate 3 and movable end steel plate 4 is filled with pitch coagulation
Native cutting optimal 10, the side transverse weld of 3 facing movament end steel plate 4 of fixing end steel plate have more fixed steel poles 8, movable end steel plate
The 4 side transverse welds towards fixing end steel plate 3 have more steel pole casings 9, and fixed steel pole 8 is plugged in corresponding steel pole casing
In 9, the diameter of fixed steel pole 8 is set as 5mm, is coated with lubricating oil on the inner wall of steel pole casing 9, can play lubrication effect well
Fruit, fixed steel pole 8 and 9 direction across bridge of steel pole casing are that one, and corresponding fixed steel pole 8 and steel pole casing are arranged at interval of 20cm
9 center is on same straight line, and movable end steel plate 4 and fixing end steel plate 3, which is arranged, can guarantee simply supported beam free extension, is protected
The safe application performance of bridge is demonstrate,proved；The top of fixing end steel plate 3 and movable end steel plate 4 is fixedly installed elongated steel plate 6, elongated
It is all made of and is welded and fixed between steel plate 6 and fixing end steel plate 3, movable end steel plate 4, and elongated steel plate 6 and fixing end steel plate 3, work
It is reinforced by two high-strength bolts 7 between moved end steel plate 4, the top of elongated steel plate 6 has poured the Sub-course Asphalt Concrete
10, asphalitine 11 is filled between 2 end side of elongated steel plate 6 and simply supported beam movable end, ensure that during vehicle pass-through did not had
Lash space is spent, guarantees that vehicle smoothly passes through, road-ability is good.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of simply supported girder bridge expansion gap device, including simply supported beam fixing end（1）, the simply supported beam fixing end（1）Side set
It is equipped with simply supported beam movable end（2）, and simply supported beam fixing end（1）Upper end and simply supported beam movable end（2）Upper end in a water
In plane, it is characterised in that：The simply supported beam fixing end（1）Upper end be provided with fixing end steel plate（3）, the simply supported beam activity
End（2）Upper end be provided with movable end steel plate（4）, the simply supported beam fixing end（1）With simply supported beam movable end（2）It is internal pre-buried
There is L-type strengthening steel slab（5）, and L-type strengthening steel slab（5）Upper end with fixing end steel plate（3）, movable end steel plate（4）Following table
Face welding, the fixing end steel plate（3）With movable end steel plate（4）Rear side be filled with the Sub-course Asphalt Concrete（10）, institute
State fixing end steel plate（3）Facing movament end steel plate（4）Side transverse weld have more fixed steel poles（8）, the movable end steel
Plate（4）Towards fixing end steel plate（3）Side transverse weld have more steel pole casings（9）, the fixed steel pole（8）It is plugged in
Corresponding steel pole casing（9）In, the fixing end steel plate（3）With movable end steel plate（4）Top be fixedly installed elongated steel plate
（6）, the elongated steel plate（6）Top poured the Sub-course Asphalt Concrete（10）, the elongated steel plate（6）It is living with simply supported beam
Moved end（2）Asphalitine is filled between end side（11）.
2. a kind of simply supported girder bridge expansion gap device according to claim 1, it is characterised in that：The fixing end steel plate（3）
With movable end steel plate（4）Thickness be disposed as 15mm, the fixed steel pole（8）Diameter be set as 5mm, the steel pole casing
（9）Inner wall on be coated with lubricating oil.
3. a kind of simply supported girder bridge expansion gap device according to claim 1, it is characterised in that：The fixed steel pole（8）With
Steel pole casing（9）Direction across bridge is that one, and corresponding fixed steel pole are arranged at interval of 20cm（8）With steel pole casing（9）Center
It is on same straight line.
4. a kind of simply supported girder bridge expansion gap device according to claim 1, it is characterised in that：The elongated steel plate（6）With
Fixing end steel plate（3）, movable end steel plate（4）Between be all made of and be welded and fixed, and elongated steel plate（6）With fixing end steel plate（3）, it is living
Moved end steel plate（4）Between pass through two high-strength bolts（7）It reinforces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810747314.6A CN108842605A (en) | 2018-07-09 | 2018-07-09 | A kind of simply supported girder bridge expansion gap device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810747314.6A CN108842605A (en) | 2018-07-09 | 2018-07-09 | A kind of simply supported girder bridge expansion gap device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108842605A true CN108842605A (en) | 2018-11-20 |
Family
ID=64196237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810747314.6A Pending CN108842605A (en) | 2018-07-09 | 2018-07-09 | A kind of simply supported girder bridge expansion gap device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108842605A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111118971A (en) * | 2020-01-17 | 2020-05-08 | 中铁二院工程集团有限责任公司 | End socket expansion device of roadbed pile plate structure and construction method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202073033U (en) * | 2011-04-01 | 2011-12-14 | 沈福昌 | Concrete seam expansion/constriction apparatus |
| CN102561146A (en) * | 2012-02-10 | 2012-07-11 | 成都市新筑路桥机械股份有限公司 | Seamless elastomer telescoping device |
| CN202577139U (en) * | 2012-05-03 | 2012-12-05 | 山西省宏图建设工程有限公司 | Zipper-type road and bridge deformation joint device |
| CN202658519U (en) * | 2012-07-10 | 2013-01-09 | 重庆亲禾预制品有限公司 | Bridge expansion joint structure |
| CN203639815U (en) * | 2013-12-31 | 2014-06-11 | 成都市新筑路桥机械股份有限公司 | Seamless type large-displacement road footbridge expansion device |
| CN204162995U (en) * | 2014-06-30 | 2015-02-18 | 同济大学 | Umbrella shaft type stretching device |
| CN204608598U (en) * | 2015-05-08 | 2015-09-02 | 山西省交通科学研究院 | A kind of seamless bridge joint structure |
| CN108086144A (en) * | 2017-12-05 | 2018-05-29 | 北京中交桥宇科技有限公司 | A kind of bridge shrinking cracks jumping prevents construction method |
| CN208586514U (en) * | 2018-07-09 | 2019-03-08 | 保利新联爆破工程集团有限公司 | A kind of simply supported girder bridge expansion gap device |
-
2018
- 2018-07-09 CN CN201810747314.6A patent/CN108842605A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202073033U (en) * | 2011-04-01 | 2011-12-14 | 沈福昌 | Concrete seam expansion/constriction apparatus |
| CN102561146A (en) * | 2012-02-10 | 2012-07-11 | 成都市新筑路桥机械股份有限公司 | Seamless elastomer telescoping device |
| CN202577139U (en) * | 2012-05-03 | 2012-12-05 | 山西省宏图建设工程有限公司 | Zipper-type road and bridge deformation joint device |
| CN202658519U (en) * | 2012-07-10 | 2013-01-09 | 重庆亲禾预制品有限公司 | Bridge expansion joint structure |
| CN203639815U (en) * | 2013-12-31 | 2014-06-11 | 成都市新筑路桥机械股份有限公司 | Seamless type large-displacement road footbridge expansion device |
| CN204162995U (en) * | 2014-06-30 | 2015-02-18 | 同济大学 | Umbrella shaft type stretching device |
| CN204608598U (en) * | 2015-05-08 | 2015-09-02 | 山西省交通科学研究院 | A kind of seamless bridge joint structure |
| CN108086144A (en) * | 2017-12-05 | 2018-05-29 | 北京中交桥宇科技有限公司 | A kind of bridge shrinking cracks jumping prevents construction method |
| CN208586514U (en) * | 2018-07-09 | 2019-03-08 | 保利新联爆破工程集团有限公司 | A kind of simply supported girder bridge expansion gap device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111118971A (en) * | 2020-01-17 | 2020-05-08 | 中铁二院工程集团有限责任公司 | End socket expansion device of roadbed pile plate structure and construction method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20181120 |