CN111764270A - Bridge expansion joint connecting device and implementation method thereof - Google Patents
Bridge expansion joint connecting device and implementation method thereof Download PDFInfo
- Publication number
- CN111764270A CN111764270A CN202010667006.XA CN202010667006A CN111764270A CN 111764270 A CN111764270 A CN 111764270A CN 202010667006 A CN202010667006 A CN 202010667006A CN 111764270 A CN111764270 A CN 111764270A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000009434 installation Methods 0.000 claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 238000003466 welding Methods 0.000 claims abstract description 10
- 238000003780 insertion Methods 0.000 claims description 12
- 230000037431 insertion Effects 0.000 claims description 12
- 210000003205 muscle Anatomy 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 description 10
- 238000004873 anchoring Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration 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
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
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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
- E01D19/065—Joints having sliding plates
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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
- E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
- E01D19/083—Waterproofing of bridge decks; Other insulations for bridges, e.g. thermal ; Bridge deck surfacings
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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 expansion joint connecting device which comprises a supporting bearing part, an I-shaped steel beam with a thickened connecting section, a bridge joint connecting part, groove blocks fixedly welded at the upper end of the I-shaped steel beam, a telescopic positioning guide part, a columnar guide rod movably arranged in a groove, a waterproof part, a V-shaped rubber belt movably clamped between two groups of groove blocks, and an elastic part, wherein the elastic part is a rubber cover plate pinned in an installation groove. Meanwhile, an implementation method of the bridge expansion joint connecting device is disclosed, wherein I-shaped steel beams are fixedly placed in reserved slots between bridge joints; fixedly welding the columnar guide rod in the notch of the groove block through the supporting plate; the V-shaped rubber belt is arranged between the two groups of the groove blocks through the clamping connection of the cambered surface clamping end head and the positioning clamping groove; fixedly mounting the channel block on the upper end surface of the I-shaped steel beam; pouring concrete into the reserved groove positions between the bridge seams; the rubber cover plate is movably arranged in the installation groove position by connecting the pin shaft with the plug hole.
Description
Technical Field
The invention relates to the technical field of bridge connecting devices, in particular to a bridge expansion joint connecting device and an implementation method thereof.
Background
Bridge expansion joints: it is referred to that in order to meet the requirement of deck deformation, expansion joints are usually provided between two beam ends, between a beam end and an abutment, or at the hinge joint of a bridge. The expansion joint is required to be freely telescopic in two directions parallel to and perpendicular to the axis of the bridge, and the expansion joint is firm and reliable, and when a vehicle runs, the vehicle is smooth and free of sudden jump and noise; the rainwater and garbage soil can be prevented from infiltration and blocking; the installation, the inspection, the maintenance and the dirt elimination are all simple and convenient. At the position of the expansion joint, the handrail and the bridge deck pavement are disconnected. The function of bridge expansion joint: consists in adjusting the displacements and couplings between the superstructure caused by the vehicle loads and the bridge construction materials. Once the telescopic device of the skew bridge is damaged, the speed, the comfort and the safety of the vehicle are seriously influenced, and even the vehicle safety accident is caused.
Current bridge expansion joint connecting device forms between the bridge connection flexible when the bridge floor warp in the implementation, and connecting device takes place to remove when flexible, removes and can cause slight crisscross, and the elastic component is the fixed mounting on connecting device mostly simultaneously, and is inconvenient to its connecting device inspect, maintenance and clear away the filth.
In view of the above problems, the present invention provides a bridge expansion joint connection device and an implementation method thereof.
Disclosure of Invention
The invention aims to provide a bridge expansion joint connecting device and an implementation method thereof, which avoid the problem of slight staggering generated during movement and simultaneously facilitate the inspection, maintenance and dirt removal of the device so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a bridge expansion joint connection, comprising:
the supporting bearing part is an I-shaped steel beam with a thickened connecting section;
the bridge seam connecting part is a groove block fixedly welded at the upper end of the I-shaped steel beam, an installation groove position for installing the cover plate is formed in the upper end face of the groove block, insertion holes are formed in the side walls of the grooves at the two ends of the installation groove position, and a positioning clamping groove is formed in the upper end of the notch of the groove block;
the telescopic positioning guide part is a columnar guide rod movably arranged in the groove, the columnar guide rod movably penetrates through the supporting plate through a roller bearing fixedly arranged in the middle of the supporting plate, and the supporting plate is fixedly welded in the groove;
the waterproof part is a V-shaped rubber belt movably clamped and installed between the two groups of groove blocks;
the elastic part is a rubber cover plate which is in pin joint with the installation groove position, and pin shafts which are inserted in the insertion holes are arranged on two sides of the rubber cover plate.
Furthermore, the height of the groove block is matched with the groove height of a groove position reserved between the bridge seams.
Furthermore, the fixed welding of groove piece side is used for reinforced (rfd) anchor muscle, and the anchor muscle sets up 10 at least according to the length of the trench of reserving between the bridge seam, and the anchor muscle is U type structure.
Furthermore, the flexible location guide part sets up 4 groups at least, and the hemispherical stopper of fixed welding in both ends of column guide arm.
Furthermore, the diameter of the hemispherical limiting block is larger than that of the roller bearing.
Furthermore, cambered surface clamping end heads matched with the positioning clamping grooves are fixedly arranged on two sides of the V-shaped rubber belt.
Furthermore, one side of the rubber cover plate is provided with a wavy inserting tooth mouth, and the inserting tooth mouths of the two groups of rubber cover plates are movably inserted.
An implementation method of a bridge expansion joint connecting device comprises the following steps:
s01, fixedly placing the I-shaped steel beams in the reserved slot positions between the bridge seams;
s02, fixedly welding the columnar guide rods in the notches of the groove blocks through the supporting plates and connecting the two groups of groove blocks;
s03, the V-shaped rubber belt is arranged between the two groups of groove blocks through the clamping connection of the cambered surface clamping end head and the positioning clamping groove;
s04, fixedly mounting the channel block on the upper end surface of the I-shaped steel beam;
s05, pouring concrete into the reserved slot positions between the bridge seams;
and S06, connecting the rubber cover plate with the plug hole through a pin shaft, and movably installing the rubber cover plate in the installation slot position.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the bridge seam connecting part, the positioning clamping grooves are formed in the upper ends of the groove openings of the groove blocks, the V-shaped rubber belts are movably clamped in the positioning clamping grooves through the cambered surface clamping ends arranged on the two sides of the groove blocks, the V-shaped rubber belts are movably arranged between the two groups of groove blocks, waterproof treatment can be effectively carried out, meanwhile, the V-shaped rubber belts are conveniently replaced during later-period maintenance, anchoring ribs for reinforcement are fixedly welded on the side surfaces of the groove blocks, when the connecting device is installed, concrete is poured into the groove positions reserved between the bridge seams, the anchoring ribs are firmly fixed in the concrete, the installation stability and firmness are improved, and meanwhile, I-shaped steel beams are fixedly welded at the bottoms of the groove blocks, so that the bearing capacity is improved.
2. According to the telescopic positioning guide part, the support plate is fixedly welded in the groove, the columnar guide rod movably penetrates through the support plate through the roller bearing fixedly arranged in the middle of the support plate, when the bridge deck is deformed and the bridge is connected to be telescopic, the groove block arranged in the groove reserved between the bridge seams moves, and when the groove block moves, the columnar guide rod is used for guiding and positioning, so that the phenomenon of slight dislocation in the moving process is avoided, and the bridge is protected.
3. According to the elastic part, the mounting groove position for mounting the cover plate is formed in the upper end face of the groove block, the rubber cover plate is movably mounted in the mounting groove position through the pin shaft movable inserting holes arranged on two sides, the wavy inserting tooth openings are formed in one side of the rubber cover plate, the inserting tooth openings of the two groups of rubber cover plates are movably inserted, when the elastic part is normally mounted and used, the two groups of rubber cover plates are closed, the space between the groove blocks is sealed, elastic buffering is provided, noise caused by vehicle running is reduced, when inspection and maintenance are carried out, the rubber cover plate is opened, the V-shaped rubber belt and the telescopic positioning guide part mounted in the groove block are inspected and maintained, and compared with the traditional structure that the rubber cover plate is fixed on the groove block, the elastic part is more convenient to inspect and maintain the connecting device.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a bridge-seam joint according to the present invention;
FIG. 3 is a schematic view of the V-shaped rubber band structure of the present invention;
FIG. 4 is a schematic structural view of the telescopic positioning guide of the present invention;
FIG. 5 is a schematic diagram of a rubber cover plate structure according to the present invention;
FIG. 6 is a view showing a state where the rubber cover of the present invention is closed;
FIG. 7 is a view showing a state where the rubber cover of the present invention is opened.
In the figure: 1. supporting the load-bearing part; 11. an I-beam; 2. a bridge seam connection; 21. a groove block; 201. a notch; 22. installing a slot position; 23. inserting holes; 24. positioning the clamping groove; 25. anchoring ribs; 3. a telescopic positioning guide part; 31. a columnar guide rod; 311. a hemispherical stopper; 32. a support plate; 33. a roller bearing; 4. a waterproof section; 41. a V-shaped rubber belt; 411. the cambered surface is clamped with the end; 5. an elastic portion; 51. a rubber cover plate; 511. inserting a tooth mouth; 52. and (7) a pin shaft.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, a bridge expansion joint connecting device includes: support bearing portion 1, bridge seam connecting portion 2, flexible location guide part 3, waterproof portion 4 and elastic component 5, specifically, support bearing portion 1, it is the I-shaped steel roof beam 11 of linkage segment thickening. The bridge seam connecting part 2 is a groove block 21 fixedly welded at the upper end of an I-shaped steel beam 11, the upper end face of the groove block 21 is provided with a mounting groove position 22 for mounting a cover plate, the side walls of the groove at the two ends of the mounting groove position 22 are provided with inserting holes 23, the upper end of a groove opening 201 of the groove block 21 is provided with a positioning clamping groove 24, the height of the groove block 21 is matched with the groove height of a groove position reserved between bridge seams, the side face of the groove block 21 is fixedly welded with an anchoring rib 25 for reinforcement, at least 10 anchoring ribs 25 are arranged according to the length of the groove position reserved between the bridge seams, the anchoring rib 25 is of a U-shaped structure, the positioning clamping groove 24 is arranged at the upper end of the groove opening 201 of the groove block 21, a V-shaped rubber belt 41 is movably clamped in the positioning clamping groove 24 through cambered surface clamping ends 411 arranged at the two sides, so that the V-shaped rubber belt 41 is movably arranged between the two groups of, make things convenient for the later stage to overhaul and when maintaining simultaneously, change V style of calligraphy rubber tape 41 to being used for reinforced (rfd) anchor muscle 25 in the fixed welding in groove piece 21 side, when this connecting device of installation, through concreting in the trench to reserving between the bridge seam, make the firm fixing of anchor muscle 25 in the concrete, improve the stability and the fastness of installation, at groove piece 21 bottom fixed welding I-shaped steel roof beam 11 simultaneously, increase bearing capacity.
The telescopic positioning guide part 3 is a columnar guide rod 31 movably arranged in a notch 201, the columnar guide rod 31 movably penetrates through a support plate 32 through a roller bearing 33 fixedly arranged in the middle of the support plate 32, the support plate 32 is fixedly welded in the notch 201, the telescopic positioning guide part 3 is at least provided with 4 groups, hemispherical limit blocks 311 are fixedly welded at two ends of the columnar guide rod 31, the diameter of each hemispherical limit block 311 is larger than that of each roller bearing 33, the support plate 32 is fixedly welded in the notch 201, the columnar guide rod 31 movably penetrates through the support plate 32 through the roller bearing 33 fixedly arranged in the middle of the support plate 32, when the bridge deck deforms and stretches between bridge junctions, a groove block 21 arranged in a groove reserved between bridge seams moves, and when the bridge deck deforms and stretches, the bridge junctions are guided and positioned through the columnar guide rod 31, so that the phenomenon of slight dislocation in the moving process is avoided, and protecting the bridge.
A waterproof part 4 which is a V-shaped rubber belt 41 movably clamped and installed between the two groups of groove blocks 21, wherein two sides of the V-shaped rubber belt 41 are fixedly provided with cambered surface clamping end heads 411 matched with the positioning clamping grooves 24,
the elastic part 5 is a rubber cover plate 51 which is pinned in the installation slot position 22, two sides of the rubber cover plate 51 are provided with pin shafts 52 which are inserted in the insertion holes 23, one side of the rubber cover plate 51 is provided with a wave-shaped insertion tooth opening 511, the insertion tooth openings 511 of the two groups of rubber cover plates 51 are movably inserted, the installation slot position 22 for installing the cover plate is arranged on the upper end surface of the slot block 21, the rubber cover plate 51 is movably inserted in the insertion holes 23 through the pin shafts 52 arranged on the two sides, the rubber cover plate 51 is movably installed in the installation slot position 22, one side of the rubber cover plate 51 is provided with the wave-shaped insertion tooth opening 511, the insertion tooth openings 511 of the two groups of rubber cover plates 51 are movably inserted, when the rubber cover plate is normally installed and used, the two groups of rubber cover plates 51 are closed to cover the slot block 21, and provide elastic buffer to reduce noise caused by vehicle running, when maintenance is carried out, open rubber apron 51, inspect the maintenance to the V style of calligraphy rubber band 41 and the flexible location guide part 3 of installing in the channel block 21, this structure is compared with the tradition with rubber apron 51 fixes on channel block 21, is convenient for more inspect the maintenance to this connecting device.
An implementation method of a bridge expansion joint connecting device comprises the following steps:
s01, fixedly placing the I-shaped steel beam 11 in a groove reserved between bridge seams;
s02, fixedly welding the columnar guide rods 31 in the notches 201 of the groove blocks 21 through the support plates 32, and connecting the two groups of groove blocks 21;
s03, the V-shaped rubber belt 41 is arranged between the two groups of the groove blocks 21 through the clamping connection of the cambered surface clamping end 411 and the positioning clamping groove 24;
s04, fixedly mounting the channel block 21 on the upper end surface of the I-shaped steel beam 11;
s05, pouring concrete into the reserved slot positions between the bridge seams;
and S06, connecting the pin shaft 52 with the plug hole 23, and movably installing the rubber cover plate 51 in the installation slot position 22.
In summary, the following steps: the invention provides a bridge expansion joint connecting device and an implementation method thereof.A positioning clamping groove 24 is formed at the upper end of a groove opening 201 of a groove block 21, a V-shaped rubber belt 41 is movably clamped in the positioning clamping groove 24 through cambered surface clamping ends 411 arranged at two sides, so that the V-shaped rubber belt 41 is movably arranged between two groups of groove blocks 21, waterproof treatment can be effectively carried out, meanwhile, the V-shaped rubber belt 41 is replaced when later-stage maintenance and curing are facilitated, anchoring ribs 25 for reinforcement are fixedly welded on the side surfaces of the groove blocks 21, when the connecting device is installed, concrete is poured in groove positions reserved between bridge seams, so that the anchoring ribs 25 are firmly fixed in the concrete, the installation stability and firmness are improved, and meanwhile, an I-shaped steel beam 11 is fixedly welded at the bottom of the groove blocks 21, so that the bearing capacity is increased; by fixedly welding the support plate 32 in the notch 201 and movably penetrating the columnar guide rod 31 through the support plate 32 through the roller bearing 33 fixedly installed in the middle of the support plate 32, when the bridge deck deforms and stretches between bridge joints, the groove block 21 installed in a reserved groove between the bridge seams moves, and when the groove block moves, the columnar guide rod 31 is used for guiding and positioning, so that the phenomenon of slight dislocation in the moving process is avoided, and the bridge is protected; the installation slot position 22 for installing the cover plate is arranged on the upper end face of the groove block 21, the rubber cover plate 51 is movably inserted into the insertion hole 23 through the pin shafts 52 arranged on two sides, the rubber cover plate 51 is movably installed in the installation slot position 22, the wavy insertion tooth openings 511 are arranged on one side of the rubber cover plate 51, the insertion tooth openings 511 of the two groups of rubber cover plates 51 are movably inserted, when the rubber cover plate 51 is normally installed and used, the two groups of rubber cover plates 51 are closed, the space between the groove blocks 21 is covered, elastic buffering is provided, noise caused when a vehicle runs is reduced, when the rubber cover plate 51 is inspected and maintained, the rubber cover plate 51 is opened, the V-shaped rubber belt 41 and the telescopic positioning guide part 3 installed in the groove block 21 are inspected and maintained, and compared with the traditional structure that the rubber cover plate 51 is fixed on the groove block 21, the connection and maintenance device is more convenient to inspect.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A bridge expansion joint connection, comprising:
the supporting and bearing part (1) is an I-shaped steel beam (11) with a thickened connecting section;
the bridge seam connecting part (2) is a groove block (21) fixedly welded at the upper end of the I-shaped steel beam (11), an installation groove (22) for installing a cover plate is formed in the upper end face of the groove block (21), plug-in holes (23) are formed in the side walls of grooves at two ends of the installation groove (22), and a positioning clamping groove (24) is formed in the upper end of a groove opening (201) of the groove block (21);
the telescopic positioning guide part (3) is a columnar guide rod (31) movably arranged in the notch (201), the columnar guide rod (31) movably penetrates through the supporting plate (32) through a roller bearing (33) fixedly arranged in the middle of the supporting plate (32), and the supporting plate (32) is fixedly welded in the notch (201);
a waterproof part (4) which is a V-shaped rubber belt (41) movably clamped and installed between the two groups of groove blocks (21);
the elastic part (5) is a rubber cover plate (51) which is in pin joint with the installation groove position (22), and pin shafts (52) which are inserted in the insertion holes (23) are arranged on two sides of the rubber cover plate (51).
2. A bridge expansion joint connecting device according to claim 1, wherein: the height of the groove block (21) is matched with the groove height of a groove position reserved between bridge seams.
3. A bridge expansion joint connecting device according to claim 1, wherein: the fixed welding in groove piece (21) side is used for reinforced (rfd) anchor muscle (25), and anchor muscle (25) set up 10 at least according to the length of the trench of reserving between the bridge seam, and anchor muscle (25) are U type structure.
4. A bridge expansion joint connecting device according to claim 1, wherein: the telescopic positioning guide part (3) is at least provided with 4 groups, and hemispherical limiting blocks (311) are fixedly welded at two ends of the columnar guide rod (31).
5. A bridge expansion joint connecting device according to claim 4, wherein: the diameter of the hemispherical limiting block (311) is larger than that of the roller bearing (33).
6. A bridge expansion joint connecting device according to claim 1, wherein: two sides of the V-shaped rubber belt (41) are fixedly provided with cambered surface clamping end heads (411) matched with the positioning clamping grooves (24).
7. A bridge expansion joint connecting device according to claim 1, wherein: one side of the rubber cover plate (51) is provided with a wavy inserting tooth opening (511), and the inserting tooth openings (511) of the two groups of rubber cover plates (51) are movably inserted.
8. An implementation method of the bridge expansion joint connecting device according to claims 1-7, comprising the following steps:
s01, fixedly placing the I-shaped steel beam (11) in a groove reserved between bridge seams;
s02, fixedly welding the columnar guide rods (31) in the notches (201) of the groove blocks (21) through the supporting plates (32) and connecting the two groups of groove blocks (21);
s03, installing the V-shaped rubber belt (41) between the two groups of groove blocks (21) by clamping and connecting the cambered surface clamping end (411) with the positioning clamping groove (24);
s04, fixedly mounting the channel block (21) on the upper end surface of the I-shaped steel beam (11);
s05, pouring concrete into the reserved slot positions between the bridge seams;
s06, the rubber cover plate (51) is movably arranged in the mounting groove position (22) through the connection of the pin shaft (52) and the plug hole (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010667006.XA CN111764270A (en) | 2020-07-13 | 2020-07-13 | Bridge expansion joint connecting device and implementation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010667006.XA CN111764270A (en) | 2020-07-13 | 2020-07-13 | Bridge expansion joint connecting device and implementation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111764270A true CN111764270A (en) | 2020-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010667006.XA Pending CN111764270A (en) | 2020-07-13 | 2020-07-13 | Bridge expansion joint connecting device and implementation method thereof |
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| Country | Link |
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| CN (1) | CN111764270A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112482212A (en) * | 2020-12-31 | 2021-03-12 | 王慧 | Expansion joint structure capable of stabilizing road and bridge connection |
| CN112695629A (en) * | 2020-12-24 | 2021-04-23 | 南通市交通建设工程有限公司 | Public road bridge roof beam expansion joint protective structure |
| CN113235417A (en) * | 2021-06-17 | 2021-08-10 | 李涛 | Comb-tooth type bridge expansion device |
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| KR20070043755A (en) * | 2007-04-05 | 2007-04-25 | 대봉비엠텍 주식회사 | Flexible connecting device for bridge |
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| CN203144889U (en) * | 2013-02-22 | 2013-08-21 | 同济大学建筑设计研究院(集团)有限公司 | Bridge expansion joint waterproof and drainage device |
| CN207435888U (en) * | 2017-10-16 | 2018-06-01 | 中铁七局集团武汉工程有限公司 | A kind of bridge expanssion joint attachment device |
| CN207714133U (en) * | 2017-12-29 | 2018-08-10 | 衡水长江预应力有限公司 | A kind of double broach multi-directional deflections expansion joint |
| CN111270605A (en) * | 2020-01-23 | 2020-06-12 | 黑龙江建筑职业技术学院 | Bridge connecting joint structure in severe cold region and construction method |
| CN111287077A (en) * | 2020-03-05 | 2020-06-16 | 顾轩波 | Height-adjustable bridge expansion joint component capable of realizing transverse connection |
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| KR20070043755A (en) * | 2007-04-05 | 2007-04-25 | 대봉비엠텍 주식회사 | Flexible connecting device for bridge |
| KR101011635B1 (en) * | 2010-01-12 | 2011-01-31 | (주)동명기술공단종합건축사사무소 | Expansion joint for bridge and the construction method therefor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112695629A (en) * | 2020-12-24 | 2021-04-23 | 南通市交通建设工程有限公司 | Public road bridge roof beam expansion joint protective structure |
| CN112482212A (en) * | 2020-12-31 | 2021-03-12 | 王慧 | Expansion joint structure capable of stabilizing road and bridge connection |
| CN112482212B (en) * | 2020-12-31 | 2022-11-15 | 合肥森岑汽车用品有限公司 | Expansion joint structure capable of stabilizing road-bridge connection |
| CN113235417A (en) * | 2021-06-17 | 2021-08-10 | 李涛 | Comb-tooth type bridge expansion device |
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Application publication date: 20201013 |
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