CN209339016U - A kind of highway bridge prestressed reinforcement device - Google Patents
A kind of highway bridge prestressed reinforcement device Download PDFInfo
- Publication number
- CN209339016U CN209339016U CN201822257114.0U CN201822257114U CN209339016U CN 209339016 U CN209339016 U CN 209339016U CN 201822257114 U CN201822257114 U CN 201822257114U CN 209339016 U CN209339016 U CN 209339016U
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- channel steel
- steel
- beam body
- interior channel
- steel plate
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- 230000002787 reinforcement Effects 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 106
- 239000010959 steel Substances 0.000 claims abstract description 106
- 230000003014 reinforcing Effects 0.000 claims abstract description 18
- 238000003466 welding Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 10
- 238000010276 construction Methods 0.000 abstract description 8
- 230000001809 detectable Effects 0.000 abstract 1
- 230000018109 developmental process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035772 mutation Effects 0.000 description 2
- 210000003205 Muscles Anatomy 0.000 description 1
- 241001080929 Zeugopterus punctatus Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000004642 transportation engineering Methods 0.000 description 1
Abstract
The utility model discloses a kind of bracing means, specifically a kind of highway bridge prestressed reinforcement device, including reinforcing beam body and being mounted on the pre-stressed steel plate reinforced below beam body, the external side of reinforcement is equipped with interior channel steel, outer channel steel is equipped on the outside of the interior channel steel, the interior channel steel is fixedly connected with the top of outer channel steel by longitudinal girder steel, the longitudinal direction girder steel is fixedly connected on by bar planting to be reinforced in beam body, the bottom of the interior channel steel is equipped with pre-stressed steel plate, the bottom connection of the both ends of pre-stressed steel plate and interior channel steel touches, the beneficial effects of the utility model are: passing through outer channel steel, interior channel steel, longitudinal girder steel and bar planting setting constitute an external prestressing system, each component part of prestress system is detectable during bridge use, it is adjustable, it can repair, it is controllable and replaceable, and have supporting effect good, self weight Increase small and consolidation effect significant ground feature, be easily installed simultaneously, construction is simple, construction efficiency is high.
Description
Technical field
The utility model relates to a kind of bracing means, specifically a kind of highway bridge prestressed reinforcement device.
Background technique
Bridge refers generally to be erected in rivers,lakes and seas, the structures for making traffic etc. that can smoothly pass through.It is modern to adapt to
The transportation industry of high speed development, bridge be also extended to across mountain stream, unfavorable geology or meet other traffic need and set up make
Current more convenient and fast building.Bridge is generally made of superstructure, substructure, support and attached structure, top knot
Structure is also known as bridge span structure, is across the primary structure of obstacle；Substructure includes abutment, bridge pier and basis；Support is spanning knot
The load transfer device of the bearing place setting of structure and bridge pier or abutment；Attached structure then refer to transition slab at bridge head, truncated cone banking, shore protection,
Training works etc..
Bridge is the essential facility of road traffic, and Bridges in Our Country sum is more than 600,000, due to the traffic of early stage
Amount and vehicle load are lower, in addition economic limited equal a variety of causes, and the design width of beam bridge is usually little, with economy
Development, the increase of the volume of traffic and vehicle load, the traffic capacity and bearing capacity of original beam bridge are obviously insufficient, and with making
With the increase of time, have a certain number of bridge ages generation agings, damage phenomenon, unsafe bridge increases year by year, wherein beam bridge accounting
At most, unsafe bridge bearing capacity can worse and worse, and general bridge strengthening structure is mostly in the presence of difficulty of construction is big, internal force variation for example
The disadvantages of big not easy to control, and the construction period is also long, is unfavorable for the raising of project progress.
Utility model content
The purpose of this utility model is to provide a kind of highway bridge prestressed reinforcement devices, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the utility model provides the following technical solutions:
A kind of highway bridge prestressed reinforcement device, including reinforcing beam body and being mounted on the prestress steel reinforced below beam body
Plate, the external side of reinforcement are equipped with interior channel steel, are equipped with outer channel steel, the top of the interior channel steel and outer channel steel on the outside of the interior channel steel
End is fixedly connected by longitudinal girder steel, and the connection type between the interior channel steel, outer channel steel and longitudinal girder steel is to weld or rivet,
The longitudinal direction girder steel is fixedly connected on by bar planting to be reinforced in beam body, and one end of the bar planting and longitudinal girder steel weld, bar planting
The other end is extend into reinforcement body by way of aperture, and the bottom of the interior channel steel is equipped with pre-stressed steel plate, prestress steel
The bottom connection of the both ends of plate and interior channel steel touches, and the top of pre-stressed steel plate and the bottom connection for reinforcing beam body touch.
As a further solution of the present invention: using welding side between the interior channel steel, outer channel steel and longitudinal girder steel
Formula interconnects.
The pre-stressed steel plate is arcuate structure as a further solution of the present invention,.
The both ends of the pre-stressed steel plate are fixedly installed with limited block as a further solution of the present invention, institute
It states limited block to be in contact with fixed block, the fixed block is connected with bolt, the outer channel steel of the bolt-through and interior channel steel.
The bottom of the pre-stressed steel plate and reinforcing beam body is successively arranged fixed as a further solution of the present invention,
To device one, orienting device two and orienting device three, the top of the orienting device one, orienting device two and orienting device three is adopted
It is connect with beam body bottom is reinforced with the mode welded or riveted, the orienting device one, orienting device two and orienting device three
Bottom end is set as concave panel, coincide and contacts with pre-stressed steel plate arcwall face.
Compared with prior art, the utility model has the beneficial effects that by outer channel steel, interior channel steel, longitudinal girder steel, planting
The setting of muscle, limited block, fixed block, bolt, orienting device one, orienting device two and orienting device three constitutes one in vitro in advance
Stress system, each component part of prestress system be during bridge use can detect, can adjust, can repair, can control and
Replaceable, and have the characteristics that supporting effect is good, being self-possessed increases the significant ground of small and consolidation effect, it is easily installed simultaneously, construction letter
Single, construction efficiency is high.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of highway bridge prestressed reinforcement device.
Fig. 2 is a kind of top view of highway bridge prestressed reinforcement device.
Fig. 3 is a kind of structural schematic diagram of pre-stressed steel plate in highway bridge prestressed reinforcement device.
In figure: 1- reinforces the outer channel steel of beam body, 2-, channel steel, the longitudinal direction 4- girder steel, 5- bar planting, 6- pre-stressed steel plate, 7- limit in 3-
Position block, 8- fixed block, 9- bolt, 10- orienting device one, 11- orienting device two, 12- orienting device three.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
Please refer to Fig. 1~3, in the utility model embodiment, a kind of highway bridge prestressed reinforcement device, including reinforcement
Body 1 reinforces the pre-stressed steel plate 6 of 1 lower section of beam body with being mounted on, and is equipped with interior channel steel 3, the interior channel steel on the outside of the reinforcing beam body 1
3 outsides are equipped with outer channel steel 2, and the interior channel steel 3 passes through longitudinal girder steel 4 with the top of outer channel steel 2 and is fixedly connected, the interior channel steel 3,
Connection type between outer channel steel 2 and longitudinal girder steel 4 is to weld or rivet, it is preferred that is connected, is made using welding manner herein
Device connect it is more stable, it is described longitudinal direction girder steel 4 by bar planting 5 be fixedly connected on reinforce beam body 1 on, the bar planting 5
One end and longitudinal girder steel 4 weld, and the other end of bar planting 5 is extend by way of aperture to be reinforced in beam body 1, the interior channel steel 3
Bottom be equipped with pre-stressed steel plate 6, the pre-stressed steel plate 6 be arcuate structure, have preferable prestress distribution effect, avoid
Stress mutation, while the stress for reducing pre-stressed steel plate 6 is concentrated, its service life, the both ends of pre-stressed steel plate 6 and inside groove are improved
The bottom connection of steel 3 touches, and the top of pre-stressed steel plate 6 and the bottom connection for reinforcing beam body 1 touch, and forms prestressing force, the prestressing force
It acts on reinforcing beam body 1 and generates upward resultant force, reinforced to beam body 1 is reinforced.
Embodiment 2
Please refer to Fig. 1~3, in the utility model embodiment, a kind of highway bridge prestressed reinforcement device, the prestressing force
The both ends of steel plate 6 are fixedly installed with limited block 7, and the limited block 7 is in contact with fixed block 8, the fixed block 8 and 9 phase of bolt
Connection, the bolt 9 run through outer channel steel 2 and interior channel steel 3, apply pretension to pre-stressed steel plate 6 by rotation bolt 9 and extremely control
Value completes the reinforcing to beam body 1 is reinforced, and further, it is fixed that the pre-stressed steel plate 6 is successively arranged with the bottom for reinforcing beam body 1
To device 1, orienting device 2 11 and orienting device 3 13, the orienting device 1, orienting device 2 11 and orienting device
3 13 top is connect by the way of welding or riveting with reinforcing 1 bottom of beam body, the orienting device 1, orienting device two
11 and the bottom end bottom end of orienting device 3 13 be set as concave panel, coincide and contact with 6 arcwall face of pre-stressed steel plate, to adapt to pre- answer
The arc of power steel plate 6 moves towards, and has preferable prestress distribution effect, and the stress for reinforcing 1 bottom of beam body is made to coordinate uniformly, to keep away
Exempt from stress mutation, while the stress for reducing pre-stressed steel plate 6 is concentrated, its service life is improved.
It should be strongly noted that reinforcing beam body 1 in the technical program and being mounted on the prestress steel for reinforcing 1 lower section of beam body
Plate 6 is the application of the prior art, passes through outer channel steel 2, interior channel steel 3, longitudinal girder steel 4, bar planting 5, limited block 6, fixed block 8, bolt
9, the setting of orienting device 1, orienting device 2 11 and orienting device 3 12 constitutes an external prestressing system, answers in advance
Each component part of power system can detect during bridge use, can adjust, can repair, can control and replaceable, and have
Have supporting effect it is good, self weight increase small and consolidation effect significant ground feature, be easily installed simultaneously, construction is simple, construction efficiency height.
For the technical staff of field, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and not
In the case where the spirit or essential attributes of the utility model, the utility model can be realized in other specific forms.Cause
This, in all respects, the present embodiments are to be considered as illustrative and not restrictive, the utility model
Range is indicated by the appended claims rather than the foregoing description, it is intended that by fall in the equivalent requirements of the claims meaning and
All changes in range are embraced therein.It should not treat any reference in the claims as involved by limitation
And claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. a kind of highway bridge prestressed reinforcement device, including reinforcing beam body (1) and be mounted below reinforcing beam body (1) pre- answers
Power steel plate (6), which is characterized in that be equipped with interior channel steel (3) on the outside of the reinforcing beam body (1), be equipped on the outside of the interior channel steel (3) outer
Channel steel (2), the interior channel steel (3) and the top of outer channel steel (2) pass through longitudinal girder steel (4) and are fixedly connected, the interior channel steel (3),
Connection type between outer channel steel (2) and longitudinal girder steel (4) is to weld or rivet, and the longitudinal direction girder steel (4) is solid by bar planting (5)
Surely it is connected to and reinforces on beam body (1), one end of the bar planting (5) and longitudinal girder steel (4) are welded, and the other end of bar planting (5) passes through
The mode of aperture, which is extend into, reinforces in beam body (1), and the bottom of the interior channel steel (3) is equipped with pre-stressed steel plate (6), pre-stressed steel plate
(6) bottom connection at both ends and interior channel steel (3) touches, the top of pre-stressed steel plate (6) and the bottom connection for reinforcing beam body (1)
Touching.
2. a kind of highway bridge prestressed reinforcement device according to claim 1, which is characterized in that the interior channel steel (3),
It is interconnected between outer channel steel (2) and longitudinal girder steel (4) using welding manner.
3. a kind of highway bridge prestressed reinforcement device according to claim 1, which is characterized in that the pre-stressed steel plate
It (6) is arcuate structure.
4. a kind of highway bridge prestressed reinforcement device according to claim 1, which is characterized in that the pre-stressed steel plate
(6) both ends are fixedly installed with limited block (7), and the limited block (7) is in contact with fixed block (8), the fixed block (8) and spiral shell
Bolt (9) is connected, and the bolt (9) runs through outer channel steel (2) and interior channel steel (3).
5. a kind of highway bridge prestressed reinforcement device according to claim 3, which is characterized in that the pre-stressed steel plate
(6) it is successively arranged orienting device one (10), orienting device two (11) and orienting device three (13) with the bottom for reinforcing beam body (1),
The top of the orienting device one (10), orienting device two (11) and orienting device three (13) by the way of welding or riveting with
The connection of beam body (1) bottom is reinforced, the bottom end of the orienting device one (10), orienting device two (11) and orienting device three (13) is set
It is set to concave panel, coincide and contacts with pre-stressed steel plate (6) arcwall face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822257114.0U CN209339016U (en) | 2018-12-30 | 2018-12-30 | A kind of highway bridge prestressed reinforcement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822257114.0U CN209339016U (en) | 2018-12-30 | 2018-12-30 | A kind of highway bridge prestressed reinforcement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209339016U true CN209339016U (en) | 2019-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822257114.0U Expired - Fee Related CN209339016U (en) | 2018-12-30 | 2018-12-30 | A kind of highway bridge prestressed reinforcement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209339016U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112391956A (en) * | 2020-11-19 | 2021-02-23 | 龙光容 | Bridge reinforcing apparatus |
| CN113062232A (en) * | 2020-12-22 | 2021-07-02 | 李涛 | Road bridge prestress reinforcing device and using method thereof |
-
2018
- 2018-12-30 CN CN201822257114.0U patent/CN209339016U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112391956A (en) * | 2020-11-19 | 2021-02-23 | 龙光容 | Bridge reinforcing apparatus |
| CN113062232A (en) * | 2020-12-22 | 2021-07-02 | 李涛 | Road bridge prestress reinforcing device and using method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190903 Termination date: 20201230 |