CN109972505B - Public road bridge roof beam expansion joint device - Google Patents
Public road bridge roof beam expansion joint device Download PDFInfo
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- CN109972505B CN109972505B CN201910359563.2A CN201910359563A CN109972505B CN 109972505 B CN109972505 B CN 109972505B CN 201910359563 A CN201910359563 A CN 201910359563A CN 109972505 B CN109972505 B CN 109972505B
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- expansion joint
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 101
- 239000010959 steel Substances 0.000 claims abstract description 101
- 238000013016 damping Methods 0.000 claims abstract description 81
- 238000009434 installation Methods 0.000 claims abstract description 8
- 241000282472 Canis lupus familiaris Species 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000004873 anchoring Methods 0.000 claims description 6
- 230000035939 shock Effects 0.000 claims description 2
- 230000009191 jumping Effects 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000006378 damage Effects 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000000452 restraining effect Effects 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000003466 welding Methods 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
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
A highway bridge expansion joint device belongs to the technical field of highway bridge construction. Public road bridge roof beam expansion joint device, including relative first steel sheet and the second steel sheet that sets up, first steel sheet is equipped with first recess, the second steel sheet is equipped with the second recess relative with first recess, first recess is equipped with the first upper portion spread groove of a plurality of and first lower part spread groove, the second recess is equipped with a plurality of second upper portion spread groove and second lower part spread groove, first upper portion spread groove is connected through first damping device with the second upper portion spread groove that corresponds, be equipped with second damping device under first damping device, two adjacent second damping device's incline direction is different, first damping device's top is equipped with the waterstop. Public road bridge roof beam expansion joint device, simple structure, installation easy maintenance can effectively solve the phenomenon of jumping a car, and overall structure stability is good, and the impact is effectively alleviated in the deformation in coordination of two steel sheets, prolongs the life of whole expansion joint, has good economic nature.
Description
Technical Field
The invention relates to the technical field of highway bridge construction, in particular to a highway bridge expansion joint device.
Background
Along with the soaring of the economy of China, the infrastructure construction also reaches the unprecedented development, the number of highway bridges in China is numerous, and the highway bridge expansion joints are structures and devices designed when the highway bridges are constructed, and have the main function of enabling bridge structures to freely expand and contract under the factors such as temperature change and the like. However, most of the expansion joints of the existing highway bridges are rubber steel plate structures, wherein the operation of cast-in-situ expansion joints is complex, manpower and material resources are wasted, and the phenomenon of vehicle jumping is serious when the expansion joints of the common rubber steel plate structures deal with vehicle impact, so that a large amount of noise is caused; and the vehicle strikes and causes destruction to the expansion joint, and then causes destruction to the major structure of bridge, causes economic loss, even driving safety.
Disclosure of Invention
In order to solve the technical problems that the highway bridge expansion joint is easy to generate a vehicle jumping phenomenon, complex in installation and maintenance operation, easy to damage when facing the impact of a vehicle and the like in the prior art, the invention provides the highway bridge expansion joint device which is simple in structure, convenient to install and maintain, capable of effectively solving the vehicle jumping phenomenon, good in overall structure stability, capable of effectively relieving the impact due to the cooperative deformation of two steel plates, capable of prolonging the service life of the whole expansion joint and good in economical efficiency.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a highway bridge expansion joint device comprises a first steel plate and a second steel plate which are arranged oppositely, wherein the first steel plate and the second steel plate are arranged along the width direction of a bridge deck, one side, close to the second steel plate, of the first steel plate is provided with a first groove along the width direction of the bridge deck, one side, close to the first steel plate, of the second steel plate is provided with a second groove opposite to the first groove, the upper part of the first groove is provided with a plurality of first upper connecting grooves along the width direction of the bridge deck, the upper part of the second groove is provided with a plurality of second upper connecting grooves corresponding to the first upper connecting grooves, the lower part of the first groove is provided with a plurality of first lower connecting grooves corresponding to the first upper connecting grooves, and the lower part of the second groove is provided with a plurality of second lower connecting grooves corresponding to the second upper connecting grooves;
the first upper connecting groove is connected with the corresponding second upper connecting groove through first damping devices horizontally arranged along the length direction of the bridge deck, a second damping device obliquely arranged is arranged under each first damping device, the oblique directions of two adjacent second damping devices are different, and the specific arrangement mode is that one end of one second damping device in the two adjacent second damping devices is connected with the first upper connecting groove, the other end of the second damping device is connected with the second lower connecting groove, one end of the other second damping device is connected with the second upper connecting groove, and the other end of the other second damping device is connected with the first lower connecting groove;
and a water stop is arranged above the first damping device and is connected with the first steel plate and the second steel plate respectively.
The included angle between the second damping device and the horizontal plane is 60 degrees or 120 degrees.
First damping device and second damping device equally divide and do not include sleeve, connecting rod, first spring and second spring, telescopic both ends are equallyd divide and do not are provided with the connecting rod, the one end of connecting rod is inserted in the sleeve, the one end that the connecting rod is located the sleeve is equipped with the dog, the one end that the connecting rod is located the sleeve outside is equipped with the go-between, first spring housing is established on the connecting rod, and just first spring is located between dog and the adjacent sleeve tip, the second spring sets up in the sleeve, and the second spring is located between two dogs.
The stiffness coefficients of the first spring and the second spring are both 800 and 1000N/m.
First upper portion spread groove, second upper portion spread groove, first lower portion spread groove and second lower portion spread groove are equallyd divide and are do not become by two connecting plates, two connecting plate parallel arrangement, the go-between inserts between two connecting plates, and pass through pin joint with two connecting plates.
First steel sheet and second steel sheet correspondence are equipped with the circular recess, the circular recess sets up along bridge floor width direction, the circular recess is provided with the cylinder rubber strip rather than the cooperation is used, the waterstop sets up respectively in neighbouring circular recess along bridge floor width direction's both sides, will the cylinder rubber strip is impressed the circular recess and is compressed tightly the both sides of waterstop.
The first steel plate is kept away from second steel sheet one side and the second steel plate is kept away from first steel sheet one side and is equallyd divide and do not be equipped with a plurality of annular anchor reinforcing bar.
The invention has the beneficial effects that:
(1) the first damping device arranged in the horizontal direction is used for restraining the displacement in the horizontal direction, when a vehicle brakes at one side of the expansion joint, the displacement in the horizontal direction can be generated on the expansion joint, and the first damping device can fully play a role at the moment to prevent the displacement; the second damping devices arranged in the inclined direction are used for restraining displacement in the vertical direction, the inclined directions of the two adjacent second damping devices are different, the included angle between each second damping device and the horizontal plane is 60 degrees or 120 degrees, when the wheel moves to the position where the first steel plate does not reach the second steel plate, the compression resistance function of the second damping devices connected with the first upper connecting grooves of the first steel plate is fully utilized, and meanwhile, the tensile function of the second damping devices connected with the second upper connecting grooves of the second steel plate is fully utilized; when the wheels move to the second steel plate and do not reach the first steel plate, the tensile action of the second damping device connected with the first upper connecting groove of the first steel plate is fully utilized, meanwhile, the compression action of the second damping device connected with the second upper connecting groove of the second steel plate is fully utilized, the different inclination directions of two adjacent second damping devices respectively play roles of tensile and compression, when the vehicle drives to the expansion joint, the first steel plate and the second steel plate are basically positioned on the same plane, the synergistic effect of the first steel plate and the second steel plate is better, the vehicle jumping phenomenon is effectively avoided, the work of the whole highway bridge expansion joint device is more synergistic, the stress of the whole bridge main body is uniform, the damage to the bridge is reduced, and the service lives of the bridge expansion joint and the bridge main body are prolonged.
(2) When the waterstop is connected with the first steel plate and the second steel plate, the two sides of the waterstop are placed into the circular grooves in the first steel plate and the second steel plate, and the waterstop is extruded into the circular grooves through the cylindrical rubber strips matched with the circular grooves, so that the waterstop is simple to install and operate and convenient to replace.
(3) First damping device and second damping device possess the performance of tensile and resistance to compression simultaneously, play two-way absorbing effect, and the device is inside no longer need any connection structure, only can assemble by sleeve, connecting rod, first spring and second spring and accomplish, simple structure, equipment are simple and easy, with low costs.
Drawings
FIG. 1 is a schematic top view of a road bridge expansion joint installation in accordance with the present invention;
FIG. 2 is a schematic front view of the expansion joint assembly for road bridges according to the present invention;
FIG. 3 is a schematic structural view of a second damping device provided by the present invention, wherein an included angle between the second damping device and a horizontal plane is 60 degrees;
FIG. 4 is a schematic structural view of a second damping device provided by the present invention, wherein an included angle between the second damping device and a horizontal plane is 120 degrees;
FIG. 5 is a schematic structural view of a first shock absorbing device provided in the present invention;
FIG. 6 is a schematic view of the connection ring provided by the present invention in connection with two connection plates;
FIG. 7 is a schematic view of the connection of the waterstop of the present invention to a circular trough;
fig. 8 is a schematic structural diagram of the cylindrical rubber strip provided by the invention.
The steel plate comprises 1-a first steel plate, 2-a second steel plate, 3-a first damping device, 4-a second damping device, 5-a connecting plate, 6-an annular anchoring steel bar, 7-a first upper connecting groove, 8-a second upper connecting groove, 9-a first lower connecting groove, 10-a second lower connecting groove, 11-a water stop belt, 12-a cylindrical rubber strip, 13-a connecting ring, 14-a connecting rod, 15-a first spring, 16-a stop block, 17-a sleeve, 18-a second spring, 19-a pin anti-falling bolt, 20-a pin, 21-a circular groove, 22-a first groove and 23-a second groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", both ends "," one end "," the other end ", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. The terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless expressly stated or limited otherwise, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," and may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In order to solve the problems in the prior art, as shown in fig. 1 to 8, the present invention provides a road bridge expansion joint device. As shown in fig. 1 and 2, the highway bridge expansion joint device includes a first steel plate 1 and a second steel plate 2 which are oppositely arranged, the first steel plate 1 and the second steel plate 2 are both arranged along the width direction of the bridge deck, a first groove 22 is arranged along the width direction of the bridge deck at one side of the first steel plate 1 close to the second steel plate 2, a second groove 23 opposite to the first groove 22 is arranged at one side of the second steel plate 2 close to the first steel plate 1, a plurality of first upper connecting grooves 7 are arranged along the width direction of the bridge deck at the upper part of the first groove 22, a plurality of second upper connecting grooves 8 corresponding to the first upper connecting grooves 7 are arranged at the upper part of the second groove 23, a plurality of first lower connecting grooves 9 corresponding to the first upper connecting grooves 7 are arranged at the lower part of the first groove 22, and a plurality of second lower connecting grooves 10 corresponding to the second upper connecting grooves 8 are arranged at the lower part of the second groove 23; the first upper connecting groove 7 is connected with the corresponding second upper connecting groove 8 through the first damping devices 3 horizontally arranged along the length direction of the bridge deck, a second damping device 4 obliquely arranged is arranged right below each first damping device 3, the oblique directions of two adjacent second damping devices 4 are different, as shown in fig. 3 and 4, the specific arrangement mode is that one end of one second damping device 4 of the two adjacent second damping devices 4 is connected with the first upper connecting groove 7, the other end of the second damping device 4 is connected with the second lower connecting groove 10, the included angle between the second damping device 4 and the horizontal plane is 120 degrees, one end of the other second damping device 4 is connected with the second upper connecting groove 8, the other end of the other second damping device 4 is connected with the first lower connecting groove 9, and the included angle between the second damping device 4 and the horizontal plane is 60 degrees; and a water stop belt 11 is arranged above the first damping device 3, and the water stop belt 11 is respectively connected with the first steel plate 1 and the second steel plate 2.
In the invention, as shown in fig. 5, the first damping device 3 comprises a sleeve 17, a connecting rod 14, a first spring 15 and a second spring 18, wherein both ends of the sleeve 17 are respectively provided with the connecting rod 14, one end of the connecting rod 14 is inserted into the sleeve 17, one end of the connecting rod 14 located in the sleeve 17 is provided with a stopper 16, one end of the connecting rod 14 located outside the sleeve 17 is provided with a connecting ring 13, the first spring 15 is sleeved on the connecting rod 14, the first spring 15 is located between the stopper 16 and the end of the adjacent sleeve 17, the second spring 18 is arranged in the sleeve 17, the second spring 18 is located between the two stoppers 16, and the stiffness coefficients of the first spring 15 and the second spring 18 are both 800 and 1000N/m; second damping device 4 is the same with first damping device 3's structure, only first damping device 3 level sets up, second damping device 4 slope sets up, second damping device 4 also includes the sleeve, the connecting rod, first spring and second spring, telescopic both ends are equallyd divide and do not are provided with the connecting rod, the one end of connecting rod is inserted in the sleeve, the one end that the connecting rod is located the sleeve is equipped with the dog, the one end that the connecting rod is located the sleeve outside is equipped with the go-between, first spring housing is established on the connecting rod, and first spring is located between dog and the adjacent sleeve tip, the second spring sets up in the sleeve, and the second spring is located between two dogs, the coefficient of stiffness of first spring and second spring is 800-.
In the present invention, the first upper connecting groove 7, the second upper connecting groove 8, the first lower connecting groove 9 and the second lower connecting groove 10 are respectively composed of two connecting plates 5, the two connecting plates 5 are arranged in parallel, as shown in fig. 6, the connecting ring 13 is inserted between the two connecting plates 5 and is connected with the two connecting plates 5 through the pin 20. The top that first steel sheet 1 is close to second steel sheet 2 one side and the top that second steel sheet 2 is close to first steel sheet 1 one side are equallyd divide and are equipped with circular recess 21 respectively, and circular recess 21 sets up along bridge floor width direction, and circular recess 21 is provided with the cylindrical rubber strip 12 rather than the cooperation is used, and waterstop 11 sets up respectively in neighbouring circular recess 21 along bridge floor width direction's both sides, impresses cylindrical rubber strip 12 circular recess 21 and compresses tightly waterstop 11's both sides. As shown in fig. 1 and 2, a plurality of annular anchoring steel bars 6 are respectively arranged on one side of the first steel plate 1 far away from the second steel plate 2 and one side of the second steel plate 2 far away from the first steel plate 1.
In this embodiment, as shown in fig. 1 and 2, the first steel plate 1 and the second steel plate 2 are located at two sides of the expansion joint, and the first groove 22 and the second groove 23 are oppositely disposed in the expansion joint and have the same size and shape. Circular recess 21 is parallel with the upper surface of first steel sheet 1 and second steel sheet 2, waterstop 11 passes through cylinder rubber strip 12 with first steel sheet 1 and second steel sheet 2 respectively along bridge floor width direction's both sides and is connected, when in actual use, as shown in fig. 7, extrude waterstop 11 into circular recess 21 through cylinder rubber strip 12, make waterstop 11 both sides and the cylinder rubber strip 12 that corresponds stay jointly in corresponding circular recess 21, the opening of circular recess 21 is located the one side that is close to the expansion joint, open-ended width is less than the diameter of cylinder rubber strip 12. The first damping device 3 horizontally arranged along the length direction of the bridge deck is used for restraining displacement in the horizontal direction, and the second damping device 4 obliquely arranged is used for restraining displacement in the vertical direction. The sleeve 17, the connecting rod 14, the connecting ring 13 and the stopper 16 are made of metal materials, the stopper 16 is cylindrical, one end of the connecting rod 14 is inserted into the sleeve 17, the diameter of the stopper 16 is slightly smaller than the diameter of the inner wall of the sleeve 17, round holes penetrating through the connecting rod 14 are formed in two ends of the sleeve 17, the diameter of each round hole is larger than that of the connecting rod 14 and smaller than that of the stopper 16, and the peripheral diameter of the first spring 15 and the peripheral diameter of the second spring 18 are smaller than the inner diameter of the sleeve 17 by 0.5-1.5 mm. When the first spring 15 does not work, both ends of the first spring are respectively contacted with the stop 16 and the end part of the sleeve 17, and when the second spring 18 does not work, both ends of the second spring are respectively contacted with the two stops 16. One side of the first steel plate 1, which is far away from the second steel plate 2, and one side of the second steel plate 2, which is far away from the first steel plate 1, are equally divided into a plurality of annular anchoring steel bars 6 for being fixedly welded with the main bridge. The first damping device 3 and the second damping device 4 have the same structure and are composed of a sleeve 17, a connecting rod 14, a first spring 15 and a second spring 18.
The invention relates to an installation method of a highway bridge expansion joint device, which comprises the following steps:
firstly, one connecting ring 13 of the first damping device 3 is connected with the first upper connecting groove 7 through a pin 20, the other connecting ring 13 of the first damping device 3 is connected with the second upper connecting groove 8 through a pin 20, the other connecting ring of the second damping device 4 is connected with the first lower connecting groove 9 through a pin 20, and the other connecting ring of the second damping device 4 is connected with the second upper connecting groove 8 through a pin 20; next, assembling one by one along the length direction of the first steel plate 1 and the second steel plate 2, wherein the connection mode of the next group of first damping devices 3 is the same as that described above, when the second damping devices 4 are connected, one connecting ring of the second damping device 4 is connected with the first upper connecting groove 7 through a pin 20, and the other connecting ring of the second damping device 4 is connected with the second lower connecting groove 10 through a pin 20, so that the inclination directions of the two adjacent second damping devices 4 are different, the phenomenon of vehicle jumping is effectively avoided, the whole highway bridge expansion joint device works more cooperatively, the whole bridge main body is stressed uniformly, the damage to the bridge is reduced, and the service lives of the bridge and the bridge main body are prolonged; after a plurality of groups of the first damping devices 3 and the second damping devices 4 are assembled side by side, one side of the water stop band 11 is extruded into the circular groove 21 on the first steel plate 1 by one cylindrical rubber strip 12, and the other side of the water stop band 11 is extruded into the circular groove 21 on the second steel plate 2 by the other cylindrical rubber strip 12; next, welding the annular anchoring steel bars 6 on the profile steel and the anchoring steel bars on the bridge main body by using transverse steel bars; and finally, pouring concrete in situ to complete the installation of the highway bridge expansion joint device.
The highway bridge expansion joint device is assembled according to the sequence of first left, then right, and first up and down, and the pin 20 is matched with the pin anti-falling bolt 19 when being connected.
The highway bridge expansion joint device is simple in structure, convenient to install and maintain, good in overall structure stability, simple to operate, capable of effectively relieving impact due to cooperative deformation of the first steel plate 1 and the second steel plate 2, capable of effectively solving the phenomenon of vehicle jumping, prolonging the service life of the whole expansion joint, good in economical efficiency, capable of reducing damage to a bridge and prolonging the service lives of the bridge expansion joint and the bridge main body, and the highway bridge expansion joint device is processed and installed in a factory and then welded on site.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A highway bridge expansion joint device is characterized by comprising a first steel plate and a second steel plate which are arranged oppositely, wherein the first steel plate and the second steel plate are arranged along the width direction of a bridge deck, one side, close to the second steel plate, of the first steel plate is provided with a first groove along the width direction of the bridge deck, one side, close to the first steel plate, of the second steel plate is provided with a second groove opposite to the first groove, the upper portion of the first groove is provided with a plurality of first upper connecting grooves along the width direction of the bridge deck, the upper portion of the second groove is provided with a plurality of second upper connecting grooves corresponding to the first upper connecting grooves, the lower portion of the first groove is provided with a plurality of first lower connecting grooves corresponding to the first upper connecting grooves, and the lower portion of the second groove is provided with a plurality of second lower connecting grooves corresponding to the second upper connecting grooves;
the first upper connecting groove is connected with the corresponding second upper connecting groove through first damping devices horizontally arranged along the length direction of the bridge deck, a second damping device obliquely arranged is arranged under each first damping device, the oblique directions of two adjacent second damping devices are different, and the specific arrangement mode is that one end of one second damping device in the two adjacent second damping devices is connected with the first upper connecting groove, the other end of the second damping device is connected with the second lower connecting groove, one end of the other second damping device is connected with the second upper connecting groove, and the other end of the other second damping device is connected with the first lower connecting groove;
a water stop is arranged above the first damping device and is respectively connected with the first steel plate and the second steel plate;
first damping device and second damping device equally divide and do not include sleeve, connecting rod, first spring and second spring, telescopic both ends are equallyd divide and do not are provided with the connecting rod, the one end of connecting rod is inserted in the sleeve, the one end that the connecting rod is located the sleeve is equipped with the dog, the one end that the connecting rod is located the sleeve outside is equipped with the go-between, first spring housing is established on the connecting rod, and just first spring is located between dog and the adjacent sleeve tip, the second spring sets up in the sleeve, and the second spring is located between two dogs.
2. The road bridge expansion joint installation of claim 1, wherein the angle between said second shock absorbing means and the horizontal plane is 60 degrees or 120 degrees.
3. The expansion joint apparatus for road bridges as claimed in claim 1, wherein the stiffness coefficients of the first and second springs are both 800 and 1000N/m.
4. The road bridge expansion joint installation of claim 1, wherein said first upper connection groove, said second upper connection groove, said first lower connection groove and said second lower connection groove are each comprised of two connection plates, said two connection plates being arranged in parallel, said connection ring being inserted between said two connection plates and being connected to said two connection plates by means of pins.
5. The road bridge expansion joint device of claim 1, wherein the first steel plate and the second steel plate are correspondingly provided with circular grooves, the circular grooves are arranged along the width direction of the bridge deck, the circular grooves are provided with cylindrical rubber strips matched with the circular grooves, the water stop belts are respectively arranged in the adjacent circular grooves along the two sides of the width direction of the bridge deck, and the cylindrical rubber strips are pressed into the circular grooves to press the two sides of the water stop belts tightly.
6. The road bridge expansion joint installation of claim 1, wherein the side of the first steel plate away from the second steel plate and the side of the second steel plate away from the first steel plate are respectively provided with a plurality of annular anchoring steel bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910359563.2A CN109972505B (en) | 2019-04-30 | 2019-04-30 | Public road bridge roof beam expansion joint device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910359563.2A CN109972505B (en) | 2019-04-30 | 2019-04-30 | Public road bridge roof beam expansion joint device |
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| CN109972505A CN109972505A (en) | 2019-07-05 |
| CN109972505B true CN109972505B (en) | 2021-08-31 |
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| CN201910359563.2A Expired - Fee Related CN109972505B (en) | 2019-04-30 | 2019-04-30 | Public road bridge roof beam expansion joint device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113668412A (en) * | 2020-05-18 | 2021-11-19 | 杜春 | Road expansion joint maintenance and reinforcement method |
| CN112391944A (en) * | 2020-11-24 | 2021-02-23 | 中建四局第三建设有限公司 | Bridge expansion joint device |
| CN112982695B (en) * | 2021-03-01 | 2023-03-28 | 成都环境工程建设有限公司 | Civil engineering expansion joint waterproof construction |
| CN115162137A (en) * | 2022-07-07 | 2022-10-11 | 北京国道通公路设计研究院股份有限公司 | Multidirectional beam falling prevention device and construction method thereof |
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| JPH07238506A (en) * | 1994-02-28 | 1995-09-12 | Yokohama Rubber Co Ltd:The | Cut-off structure of road bridge finger joint, and construction method thereof |
| JP3907021B2 (en) * | 1997-09-29 | 2007-04-18 | 株式会社建設環境研究所 | Telescopic support for bridges |
| CN205223847U (en) * | 2015-12-07 | 2016-05-11 | 重庆能源职业学院 | Bridge expansion joint device |
| CN205276126U (en) * | 2016-01-07 | 2016-06-01 | 董飞 | Novel bridge dam |
| CN206090296U (en) * | 2016-10-11 | 2017-04-12 | 长安大学 | A but, self -modulation structure that is used for cast -in -place articulated seam of prefabricated plate -girder |
| CN206545167U (en) * | 2017-03-10 | 2017-10-10 | 杨浩 | A kind of expansion joint device for steel plate built-up bridge |
| CN207062757U (en) * | 2017-07-20 | 2018-03-02 | 张睿 | A kind of bridge extension joint |
| CN208219394U (en) * | 2018-02-28 | 2018-12-11 | 广西正晟建设工程有限公司 | A kind of Highway Bridge Expansion Joint |
| CN108867352B (en) * | 2018-06-22 | 2020-10-23 | 四川先舟建设工程有限公司 | Expansion joint covering device for municipal bridge |
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2019
- 2019-04-30 CN CN201910359563.2A patent/CN109972505B/en not_active Expired - Fee Related
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|---|---|---|---|---|
| CN107139852A (en) * | 2017-06-23 | 2017-09-08 | 浙江长兴慧城科技有限公司 | A kind of electronic equipment mounting structure |
| CN207159804U (en) * | 2017-09-19 | 2018-03-30 | 方立风 | A kind of expansion joint sealed elastic device for road engineering |
| CN207277186U (en) * | 2017-09-23 | 2018-04-27 | 天津市东泽天润建筑有限公司 | A kind of bridge expanssion joint |
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