CN112921834B - Bridge wet joint reinforcing device and installation method - Google Patents
Bridge wet joint reinforcing device and installation method Download PDFInfo
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- CN112921834B CN112921834B CN202110198217.8A CN202110198217A CN112921834B CN 112921834 B CN112921834 B CN 112921834B CN 202110198217 A CN202110198217 A CN 202110198217A CN 112921834 B CN112921834 B CN 112921834B
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- fixedly connected
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- reinforcing
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 66
- 238000009434 installation Methods 0.000 title claims description 10
- 238000000034 method Methods 0.000 title claims description 8
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 238000001179 sorption measurement Methods 0.000 claims description 14
- 238000005728 strengthening Methods 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 abstract description 5
- 230000007246 mechanism Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 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
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004826 seaming Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Classifications
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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
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
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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
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a bridge wet joint reinforcing device, which comprises a bridge strut, a first bridge deck and a second bridge deck, wherein the first bridge deck is fixedly connected with the strut, the first bridge deck is movably connected with the second bridge deck through a wet joint, the bridge wet joint reinforcing device also comprises a supporting device, a height difference detection device and a power supply device, the supporting device is respectively lapped with the bottom surfaces of the first bridge deck and the second bridge deck, and the supporting device is fixedly connected with the strut through the fixing device, the bridge wet joint reinforcing device can support and reinforce the bridge deck when the height difference is generated at the bridge wet joint through the matching among mechanisms such as the reinforcing device, the fixing device, the height difference detection device, the power supply device and the like, is not hard support and can not hinder the buffering of the bridge, and solves the problem that the reinforcing device can not directly support the joint or affect the buffering effect of the joint, the problem of loss of the bridge is still caused.
Description
Technical Field
The invention relates to a bridge reinforcing device, in particular to a bridge wet joint reinforcing device and an installation method.
Background
The fabricated simply-supported concrete bridge has the characteristics of reasonable stress, simple structure, quick construction, investment saving and the like, and is widely applied to bridge construction in China, particularly the fabricated small box girder, the T-shaped girder and the hollow slab girder are the most typical. The transverse connection of the small assembled concrete box girder and the main girder is realized through a longitudinal cast-in-place wet joint, and then the whole stress performance of the bridge structure is enhanced by means of an integrated layer and bridge pavement.
However, in recent years, due to continuous increase of traffic volume and long-term heavy-duty vehicle action, problems such as concrete cracking, water seepage, steel bar corrosion and the like occur in wet joints of bridges in operation, and in severe cases, longitudinal broken belts are formed at the joints. Damage to the longitudinal wet joints is a common problem for fabricated concrete box girders and main girder bridges, and the development of the damage will seriously affect the overall life and safe operation and normal use performance of the bridge structure.
Wet seam of bridge department, when the vehicle of process, the difference in height can appear in the bridge floor of seam both sides, plays the effect of slow-down pressure, but when the difference in height was too big, can produce the loss to the bridge, so need use reinforcing apparatus, but reinforcing apparatus can not directly support seam department, otherwise influences the buffering effect of seam, still can produce the loss to the bridge.
Disclosure of Invention
The invention aims to provide a bridge wet joint reinforcing device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a wet seam reinforcing apparatus of bridge, includes bridge pillar, first bridge floor and second bridge floor, first bridge floor and pillar fixed connection and first bridge floor pass through wet seam swing joint with the second bridge floor, still include reinforcing apparatus, reinforcing apparatus includes strutting arrangement, difference in height detection device and power supply unit, strutting arrangement passes through fixing device fixed connection with the bottom surface overlap joint of first bridge floor and second bridge floor and strutting arrangement and pillar respectively, difference in height detection device and strutting arrangement fixed connection and power supply unit and fixing device electric connection.
As a further scheme of the invention: the supporting device comprises air pressure cylinders, reinforcing rods and a supporting plate, the two ends of the upper surface of the supporting plate are respectively fixedly connected with the two air pressure cylinders, the interiors of the two air pressure cylinders are respectively sleeved with the two reinforcing rods, reinforcing plates are fixedly connected to the top ends of the reinforcing rods and are respectively lapped with the lower surfaces of the first bridge floor and the second bridge floor, and the bottom ends of the reinforcing rods are fixedly connected with the inner bottom walls of the air pressure cylinders through elastic parts.
As a still further scheme of the invention: the height difference detection device comprises an infrared transmitter, an infrared receiver and a controller, wherein the infrared transmitter and the infrared receiver are respectively positioned below the infrared transmitter with two reinforcing rods fixedly connected and the infrared receiver, the controller is electrically connected with the infrared receiver, the upper surface of the support plate is fixedly connected with an inflation device and the inflation device is electrically connected with the controller, and the inflation device is communicated with two air pressure cylinders.
As a still further scheme of the invention: fixing device includes bracing piece, adsorbs piece and dead lever, the bracing piece with adsorb a swing joint and adsorb piece and pillar fixed connection, the one end and the first bridge floor fixed connection of bracing piece are kept away from to dead lever and bracing piece fixed connection and dead lever, the one end and the backup pad fixed connection of adsorbing the piece are kept away from to the bracing piece.
As a still further scheme of the invention: the power supply device comprises a hand generator, a rotating blade and a negative pressure machine, the hand generator is fixedly connected with the support plate and the input end of the hand generator is electrically connected with the rotating blade, and the hand generator is electrically connected with the negative pressure machine and the negative pressure machine is communicated with the adsorption piece.
As a still further scheme of the invention: power supply unit includes hand generator, rotating vane and negative pressure machine, negative pressure machine and backup pad fixed connection and negative pressure machine and absorption piece intercommunication, hand generator's bottom surface fixedly connected with buoyancy board and hand generator's output and rotating vane fixed connection, rotating vane extends to the below of buoyancy board, hand generator and negative pressure machine electric connection.
As a still further scheme of the invention: the upper surface of gusset plate fixedly connected with blotter.
As a still further scheme of the invention: the installation method comprises the following steps:
s1, adjusting the positions of the supporting plates to enable the two reinforcing plates to be in contact with the bridge floor and to be supported by the supporting device;
s2, adjusting the angle of the fixing rod, and fixing the fixing rod on the first bridge deck;
and S3, adjusting the angle of the adsorption piece, and starting the negative pressure machine to enable the adsorption piece to generate negative pressure to be adsorbed on the support to complete installation.
As a still further scheme of the invention: the installation method comprises the following steps:
s1, adjusting the positions of the supporting plates to enable the two reinforcing plates to be in contact with the bridge floor and to be supported by the supporting device;
s2, adjusting the angle of the fixing rod, and fixing the fixing rod on the first bridge deck;
s3, adjusting the angle of the adsorption piece, and starting a negative pressure machine to enable the adsorption piece to generate negative pressure to be adsorbed on the support;
and S4, placing the buoyancy plate on the water surface, and finishing the installation.
Compared with the prior art, the invention has the beneficial effects that:
this wet seam reinforcing apparatus of bridge, through the cooperation between mechanisms such as reinforcing apparatus, fixing device, difference in height detection device, power supply unit, when making the wet seam department of bridge produce the difference in height, can support the reinforcement to the bridge floor, and not hard support, can not hinder the buffering of bridge, solved reinforcing apparatus and can not directly support seam department, otherwise influence the buffering effect of seam, still can produce the problem of loss to the bridge.
Drawings
Fig. 1 is a schematic structural view of a bridge wet joint reinforcing device.
Fig. 2 is a schematic view of an embodiment 2 of a bridge wet joint strengthening device.
In the figure: 1. a pillar; 2. a first deck; 3. a second deck; 4. wet seaming; 5. an adsorbing member; 6. a support bar; 7. a support plate; 8. fixing the rod; 9. an inflator; 10. an air pressure cylinder; 11. a reinforcing rod; 12. a reinforcing plate; 13. adjusting the lantern ring; 14. an infrared emitter; 15. an infrared receiver; 16. a controller; 17. an elastic member; 18. a hand generator; 19. a rotating blade; 20. a negative pressure machine; 21. a buoyancy plate.
Detailed Description
The technical means of the present invention will be described in further detail with reference to the embodiments.
Example 1
Referring to fig. 1, the bridge wet joint reinforcing device comprises a bridge strut 1, a first bridge deck 2 and a second bridge deck 3, wherein the first bridge deck 2 is fixedly connected with the strut 1, the first bridge deck 2 is movably connected with the second bridge deck 3 through a wet joint 4, the bridge wet joint reinforcing device further comprises a supporting device, a height difference detecting device and a power supply device, the supporting device is respectively overlapped with the bottom surfaces of the first bridge deck 2 and the second bridge deck 3, the supporting device is fixedly connected with the strut 1 through a fixing device, and the height difference detecting device is fixedly connected with the supporting device, and the power supply device is electrically connected with the fixing device.
The supporting device comprises air pressure cylinders 10, reinforcing rods 11 and a supporting plate 7, two ends of the upper surface of the supporting plate 7 are respectively fixedly connected with the two air pressure cylinders 10, the interiors of the two air pressure cylinders 10 are respectively sleeved with the two reinforcing rods 11, the top ends of the reinforcing rods 11 are fixedly connected with reinforcing plates 12, the two reinforcing plates 12 are respectively overlapped with the lower surfaces of the first bridge floor 2 and the second bridge floor 3, and the bottom ends of the reinforcing rods 11 are fixedly connected with the inner bottom wall of the air pressure cylinders 10 through elastic parts 17.
The height difference detection device comprises an infrared emitter 14, an infrared receiver 15 and a controller 16, wherein the infrared emitter 14 and the infrared receiver 15 are respectively fixedly connected with two reinforcing rods 11, the infrared receiver 15 is located below the infrared emitter 14, the controller 16 is electrically connected with the infrared receiver 15, the upper surface of the supporting plate 7 is fixedly connected with an air charging device 9, the air charging device 9 is electrically connected with the controller 16, and the air charging device 9 is communicated with two air pressure cylinders 10.
Fixing device includes bracing piece 6, adsorbs 5 and dead lever 8, bracing piece 6 with adsorb 5 swing joint of piece and adsorb 5 and pillar 1 fixed connection, dead lever 8 keeps away from the one end and the 2 fixed connection of first bridge floor of bracing piece 6 with 6 fixed connection of bracing piece and dead lever 8, bracing piece 6 keeps away from the one end and the backup pad 7 fixed connection that adsorb 5.
Power supply unit includes hand generator 18, rotating vane 19 and negative pressure machine 20, hand generator 18 and backup pad 7 fixed connection and hand generator 18's input and rotating vane 19 electric connection, hand generator 18 and negative pressure machine 20 electric connection and negative pressure machine 20 and absorption piece 5 intercommunication.
The upper surface of the reinforcing plate 12 is fixedly connected with a cushion pad.
The infrared emitter 14 is fixedly connected with the reinforcing rod 11 through an adjusting collar 13.
Example 2
Referring to fig. 2, the bridge wet joint reinforcing device comprises a bridge strut 1, a first bridge deck 2 and a second bridge deck 3, wherein the first bridge deck 2 is fixedly connected with the strut 1, the first bridge deck 2 is movably connected with the second bridge deck 3 through a wet joint 4, the bridge wet joint reinforcing device further comprises a supporting device, a height difference detecting device and a power supply device, the supporting device is respectively overlapped with the bottom surfaces of the first bridge deck 2 and the second bridge deck 3, the supporting device is fixedly connected with the strut 1 through a fixing device, and the height difference detecting device is fixedly connected with the supporting device, and the power supply device is electrically connected with the fixing device.
The supporting device comprises air pressure cylinders 10, reinforcing rods 11 and a supporting plate 7, two ends of the upper surface of the supporting plate 7 are respectively fixedly connected with the two air pressure cylinders 10, the interiors of the two air pressure cylinders 10 are respectively sleeved with the two reinforcing rods 11, the top ends of the reinforcing rods 11 are fixedly connected with reinforcing plates 12, the two reinforcing plates 12 are respectively overlapped with the lower surfaces of the first bridge floor 2 and the second bridge floor 3, and the bottom ends of the reinforcing rods 11 are fixedly connected with the inner bottom wall of the air pressure cylinders 10 through elastic parts 17.
The height difference detection device comprises an infrared emitter 14, an infrared receiver 15 and a controller 16, wherein the infrared emitter 14 and the infrared receiver 15 are respectively fixedly connected with two reinforcing rods 11, the infrared receiver 15 is located below the infrared emitter 14, the controller 16 is electrically connected with the infrared receiver 15, the upper surface of the supporting plate 7 is fixedly connected with an air charging device 9, the air charging device 9 is electrically connected with the controller 16, and the air charging device 9 is communicated with two air pressure cylinders 10.
Fixing device includes bracing piece 6, adsorbs 5 and dead lever 8, bracing piece 6 with adsorb 5 swing joint of piece and adsorb 5 and pillar 1 fixed connection, dead lever 8 keeps away from the one end and the 2 fixed connection of first bridge floor of bracing piece 6 with 6 fixed connection of bracing piece and dead lever 8, bracing piece 6 keeps away from the one end and the backup pad 7 fixed connection that adsorb 5.
Power supply unit includes hand generator 18, rotating vane 19 and negative pressure machine 20, negative pressure machine 20 and 7 fixed connection of backup pad and negative pressure machine 20 and 5 intercommunications of absorption, hand generator 18's bottom surface fixedly connected with buoyancy board 21 and hand generator 18's output and rotating vane 19 fixed connection, rotating vane 19 extends to the below of buoyancy board 21, hand generator 18 and negative pressure machine 20 electric connection.
The upper surface of the reinforcing plate 12 is fixedly connected with a cushion pad.
The infrared emitter 14 is fixedly connected with the reinforcing rod 11 through an adjusting collar 13.
The working principle of the invention is as follows: the position of the supporting plate 7 is adjusted, two reinforcing plates 12 are in contact with the bridge deck, the supporting device is used for supporting, the angle of the fixing rod 8 is adjusted, the fixing rod 8 is fixed on the first bridge deck 2, the angle of the adsorption part 5 is adjusted, the negative pressure machine 20 is started, the adsorption part 5 generates negative pressure, the adsorption part is adsorbed on the pillar 1, the installation can be completed, when a vehicle passes through the bridge deck, the first bridge deck 2 and the second bridge deck 3 generate a height difference, when the height difference reaches a certain value, one reinforcing rod 11 can be pressed down, the infrared transmitter 14 descends, infrared rays sent out after descending are received by the infrared receiver 15, signals are transmitted to the controller 16, the controller 16 controls the inflating device 9 to inflate the air pressure cylinder 10, the two reinforcing rods 11 are jacked up to support the bridge deck, the rotating blade 19 rotates under the push of wind power or water power, and electricity is generated by the hand generator 18, the negative pressure is supplied to the negative pressure machine 20, and the negative pressure machine 20 generates a negative pressure to attract the attracting member 5.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (7)
1. A bridge wet joint reinforcing device comprises a bridge strut (1), a first bridge deck (2) and a second bridge deck (3), wherein the first bridge deck (2) is fixedly connected with the strut (1), and the first bridge deck (2) is movably connected with the second bridge deck (3) through a wet joint (4), and the bridge wet joint reinforcing device is characterized by comprising a supporting device, a height difference detection device and a power supply device, wherein the supporting device is respectively overlapped with the bottom surfaces of the first bridge deck (2) and the second bridge deck (3), and is fixedly connected with the strut (1) through a fixing device;
the supporting device comprises air pressure cylinders (10), reinforcing rods (11) and a supporting plate (7), two ends of the upper surface of the supporting plate (7) are fixedly connected with the two air pressure cylinders (10) respectively, the interiors of the two air pressure cylinders (10) are sleeved with the two reinforcing rods (11) respectively, the top ends of the reinforcing rods (11) are fixedly connected with reinforcing plates (12), the two reinforcing plates (12) are overlapped with the lower surfaces of the first bridge deck (2) and the second bridge deck (3) respectively, and the bottom ends of the reinforcing rods (11) are fixedly connected with the inner bottom wall of each air pressure cylinder (10) through elastic parts (17);
the height difference detection device comprises an infrared transmitter (14), an infrared receiver (15) and a controller (16), wherein the infrared transmitter (14) and the infrared receiver (15) are respectively fixedly connected with two reinforcing rods (11), the infrared receiver (15) is positioned below the infrared transmitter (14), the controller (16) is electrically connected with the infrared receiver (15), an air charging device (9) is fixedly connected to the upper surface of the support plate (7), the air charging device (9) is electrically connected with the controller (16), and the air charging device (9) is communicated with two air pressure cylinders (10);
fixing device includes bracing piece (6), adsorbs piece (5) and dead lever (8), bracing piece (6) and adsorb piece (5) swing joint and adsorb piece (5) and pillar (1) fixed connection, the one end and first bridge floor (2) fixed connection of bracing piece (6) are kept away from with bracing piece (6) fixed connection and dead lever (8) to dead lever (8), the one end and backup pad (7) fixed connection of adsorbing piece (5) are kept away from in bracing piece (6).
2. The bridge wet joint strengthening device of claim 1, characterized in that, the power supply unit includes hand generator (18), rotating blade (19) and negative pressure machine (20), hand generator (18) and backup pad (7) fixed connection and hand generator (18)'s input and rotating blade (19) electric connection, hand generator (18) and negative pressure machine (20) electric connection and negative pressure machine (20) and absorption piece (5) intercommunication.
3. The bridge wet joint reinforcing apparatus according to claim 1, wherein the power supply device comprises a hand generator (18), a rotating blade (19) and a negative pressure machine (20), the negative pressure machine (20) is fixedly connected with the support plate (7) and the negative pressure machine (20) is communicated with the adsorption member (5), the bottom surface of the hand generator (18) is fixedly connected with a buoyancy plate (21) and the output end of the hand generator (18) is fixedly connected with the rotating blade (19), the rotating blade (19) extends to the lower side of the buoyancy plate (21), and the hand generator (18) is electrically connected with the negative pressure machine (20).
4. The wet bridge joint reinforcement according to claim 1, wherein a cushion pad is fixedly attached to the upper surface of the reinforcement plate (12).
5. The wet bridge joint strengthening device according to claim 1, wherein the infrared emitter (14) and the strengthening rod (11) are fixedly connected by an adjusting collar (13).
6. The method of installing a wet bridge joint strengthening device of claim 2, comprising the steps of:
s1, adjusting the position of the support plate (7) to make the two reinforcing plates (12) contact with the bridge floor, and supporting by using a supporting device;
s2, adjusting the angle of the fixed rod (8) and fixing the fixed rod (8) on the first bridge deck (2);
s3, adjusting the angle of the adsorption piece (5), starting the negative pressure machine (20) to enable the adsorption piece (5) to generate negative pressure, and adsorbing the adsorption piece on the strut (1) to finish the installation.
7. A method of installing a wet bridge joint strengthening device according to claim 3, comprising the steps of:
s1, adjusting the position of the support plate (7) to make the two reinforcing plates (12) contact with the bridge floor, and supporting by using a supporting device;
s2, adjusting the angle of the fixed rod (8) and fixing the fixed rod (8) on the first bridge deck (2);
s3, adjusting the angle of the adsorption piece (5), starting the negative pressure machine (20) to make the adsorption piece (5) generate negative pressure and adsorb on the support column (1);
and S4, placing the buoyancy plate (21) on the water surface, and finishing the installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110198217.8A CN112921834B (en) | 2021-02-22 | 2021-02-22 | Bridge wet joint reinforcing device and installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110198217.8A CN112921834B (en) | 2021-02-22 | 2021-02-22 | Bridge wet joint reinforcing device and installation method |
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| CN112921834A CN112921834A (en) | 2021-06-08 |
| CN112921834B true CN112921834B (en) | 2022-08-02 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101605011B1 (en) * | 2015-06-24 | 2016-03-21 | 심규숙 | Repair and Reinforcement method of lower structure of bridge |
| CN208501474U (en) * | 2018-07-25 | 2019-02-15 | 中交二公局东萌工程有限公司 | A kind of bridge antidetonation girder falling |
| CN209975381U (en) * | 2019-04-24 | 2020-01-21 | 广州众盛市政工程有限公司 | Bridge reinforcing device for municipal bridge engineering |
| CN111197288A (en) * | 2020-02-24 | 2020-05-26 | 广东华路交通科技有限公司 | Bridge wet joint reinforcing device and installation method |
| CN211420906U (en) * | 2019-10-10 | 2020-09-04 | 江苏三石宏盛集团建设有限公司 | Bridge reinforcing device capable of improving bearing capacity |
| CN112160256A (en) * | 2020-08-03 | 2021-01-01 | 中交路桥建设有限公司 | Transverse integral reinforcing construction method for bridge |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110983993A (en) * | 2019-11-27 | 2020-04-10 | 汪小鹏 | Bridge reinforcing apparatus based on load transfer |
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2021
- 2021-02-22 CN CN202110198217.8A patent/CN112921834B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101605011B1 (en) * | 2015-06-24 | 2016-03-21 | 심규숙 | Repair and Reinforcement method of lower structure of bridge |
| CN208501474U (en) * | 2018-07-25 | 2019-02-15 | 中交二公局东萌工程有限公司 | A kind of bridge antidetonation girder falling |
| CN209975381U (en) * | 2019-04-24 | 2020-01-21 | 广州众盛市政工程有限公司 | Bridge reinforcing device for municipal bridge engineering |
| CN211420906U (en) * | 2019-10-10 | 2020-09-04 | 江苏三石宏盛集团建设有限公司 | Bridge reinforcing device capable of improving bearing capacity |
| CN111197288A (en) * | 2020-02-24 | 2020-05-26 | 广东华路交通科技有限公司 | Bridge wet joint reinforcing device and installation method |
| CN112160256A (en) * | 2020-08-03 | 2021-01-01 | 中交路桥建设有限公司 | Transverse integral reinforcing construction method for bridge |
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Address after: 450046 No.9 Zeyu street, Zhengdong New District, Zhengzhou City, Henan Province Patentee after: Henan Zhonggong Design and Research Institute Group Co.,Ltd. Country or region after: China Patentee after: Zhengzhou University Address before: 450052 No.9 Zeyu street, Zhengdong New District, Zhengzhou City, Henan Province Patentee before: HENAN PROVINCIAL COMMUNICATIONS PLANNING & DESIGN INSTITUTE Co.,Ltd. Country or region before: China Patentee before: Zhengzhou University |