CN113774820B - Road and bridge crack repair fixing structure - Google Patents
Road and bridge crack repair fixing structure Download PDFInfo
- Publication number
- CN113774820B CN113774820B CN202111289986.5A CN202111289986A CN113774820B CN 113774820 B CN113774820 B CN 113774820B CN 202111289986 A CN202111289986 A CN 202111289986A CN 113774820 B CN113774820 B CN 113774820B
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- road
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- crack
- bridge crack
- repairing
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- 239000000945 filler Substances 0.000 claims abstract description 11
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 11
- 239000011384 asphalt concrete Substances 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000008595 infiltration Effects 0.000 abstract description 2
- 238000001764 infiltration Methods 0.000 abstract description 2
- 238000001223 reverse osmosis Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000011161 development Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000010426 asphalt Substances 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000007605 air drying Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 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
- 239000012466 permeate Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/09—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/09—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
- E01C23/0966—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for filling or priming, with or without working the surface of the filling or applying particulate material thereto, e.g. for filling the joints of stone-sett paving
- E01C23/0986—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for filling or priming, with or without working the surface of the filling or applying particulate material thereto, e.g. for filling the joints of stone-sett paving with preformed elements, e.g. joint strips
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The application provides a road and bridge crack repairing and fixing structure, which belongs to the field of road and bridge construction, wherein a top reinforcing structure comprises a plurality of upright posts and a plurality of tension bolts, wherein the upright posts and the tension bolts are arranged in a road and bridge crack, one end, away from each other, of each two tension bolts respectively penetrates through a group of mounting grooves, the end parts of the tension bolts are fixed through limiting nuts, and the opposite end parts of the tension bolts are connected through fastening nuts in a threaded manner; the repairing frame and the mounting groove are filled with filler, wherein the repairing frame and the mounting groove are formed by a plurality of upright posts and tension bolts; the bottom reinforcing structure comprises two L-shaped pre-tightening plates which are arranged below the road and bridge crack and fixedly connected with the bottom of the road and bridge crack, and a buffer plate which is erected on the two pre-tightening plates, wherein a plurality of upright posts downwards extend and penetrate through the bottom of the road and bridge crack to be connected with the buffer plate. The road and bridge main body that this structure can apply the traction to the crack both sides prevents that the crack from further ftracture, can effectually solve infiltration or reverse osmosis water problem of crack department through setting up the filling layer to guarantee the restoration effect.
Description
Technical Field
The application belongs to the field of road and bridge construction, and particularly relates to a road and bridge crack repairing and fixing structure.
Background
The rapid development of society is not separated from the support of traffic, and the convenience of traffic is a foundation for urban development and is an important tie for connecting cities with the outside. Traffic cannot be realized by personnel flow, rapid development of logistics industry and the like, so that a complete traffic system is firstly constructed for the development of one town. Roads and bridges are all the focus of attention as main channels of land transportation.
Road and bridge are generally paved by materials such as concrete, asphalt and the like, can be eroded by temperature, rainwater and the like in the long-term use process, and also bear uninterrupted load, so that local damage such as cracks, pits and the like is easy to occur for a long time. If the damaged parts are not repaired in time, rainwater can easily permeate into the roadbed or the bridge deck, and the damage speed can be doubled by the action of external force, so that even the damage is more dangerous. Therefore, when the pavement or the bridge deck is damaged, the pavement or the bridge deck needs to be repaired in time to minimize the loss.
The existing road bridge deck repair is generally to re-fill concrete or asphalt in places where cracks or depressions appear, the mode can not enable newly filled materials to be integrated with a road bridge body, secondary damage is easy to occur, and meanwhile, the loading capacity of filling parts is difficult to reach the requirement.
Therefore, the application provides a road and bridge crack repairing and fixing structure.
Disclosure of Invention
In order to overcome the defects in the prior art, the application provides a road and bridge crack repairing and fixing structure.
In order to achieve the above object, the present application provides the following technical solutions:
the road and bridge crack repairing and fixing structure is characterized by comprising a top reinforcing structure and a bottom reinforcing structure, wherein a plurality of groups of mounting grooves are symmetrically formed in two sides of a road and bridge crack;
the top reinforcement structure includes:
the upright posts are uniformly arranged in the road and bridge cracks along the longitudinal direction;
the ends of every two tension bolts, which are far away from each other, respectively penetrate through one group of the mounting grooves, the ends of the tension bolts are fixed through limit nuts, and the opposite ends of the tension bolts are in threaded connection through fastening nuts; the upright posts and the tension bolts form a repairing frame; the repairing frame and the mounting groove jointly form a filling layer, and the filling layer is filled with filler;
the bottom reinforcement structure includes:
the two L-shaped pre-tightening plates are arranged below the road and bridge crack and fixedly connected with the bottom of the road and bridge;
the buffer plates are erected on the two pre-tightening plates and are fixedly connected with the pre-tightening plates through fixing bolts; and a plurality of upright posts extend downwards and penetrate through the bottom of the road and bridge crack to be connected with the buffer plate.
Preferably, the pre-tightening plate is a high-strength steel plate.
Preferably, the bottom end of the upright post is connected with a buffer spring, and the lower end of the buffer spring is connected with the buffer plate.
Preferably, the filler comprises a grouting sealing layer, a waterproof layer and an asphalt concrete layer which are sequentially arranged in the filling layer from bottom to top, and the asphalt concrete layer is flush with the top of the road and bridge main body.
Preferably, the grouting sealing layer is made of an epoxy resin material.
Preferably, one side of the mounting groove far away from the road and bridge crack is an inclined plane.
Preferably, the longitudinal section inside the road and bridge crack is of a symmetrical step structure, and the tops of the stand columns on different steps are lower than the top surface of the road and bridge main body.
Preferably, two adjacent upright posts are bound through steel wires.
Preferably, the reinforced roof plate is arranged above the road and bridge cracks, the top of the reinforced roof plate is lower than the top surface of the road and bridge main body, the tops of the upright posts penetrate through the reinforced roof plate, and the asphalt concrete layer penetrates through the upper side and the lower side of the reinforced steel plate.
The road and bridge crack repairing and fixing structure provided by the application has the following beneficial effects:
(1) This fixed knot constructs and consolidates the restoration simultaneously about going on road and bridge crack through top reinforced structure and bottom reinforced structure, can prevent that the crack from expanding to the traction strength of the road and bridge main part that increases crack both sides, can effectually solve the infiltration or the reverse osmosis water problem of crack department through setting up the filling layer to guarantee the restoration effect.
(2) Mutually constrained matching of components such as the upright post, the tension bolt, the pre-tightening plate, the buffer plate and the fixing bolt is adopted, so that the repairing frame of the whole structure is stable, displacement and fracture are not easy to occur, and occurrence of secondary crack formation is avoided.
(3) The crack expansion is fundamentally avoided, the waterproof effect is good, the problem of crack cracking is fundamentally solved through applying traction to road and bridge main bodies on two sides of the crack, meanwhile, the waterproof problem after crack repair is systematically solved through reasonable filling layer design, erosion of a bad environment can be borne, the crack is prevented from being expanded again, the loading capacity is high, the use duration of the road and bridge is prolonged, the service life of the road and bridge is prolonged, and the economic expenditure for bridge repair is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present application and the design thereof, the drawings required for the embodiments will be briefly described below. The drawings in the following description are only some of the embodiments of the present application and other drawings may be made by those skilled in the art without the exercise of inventive faculty.
Fig. 1 is a schematic structural diagram of a road and bridge crack repairing and fixing structure according to embodiment 1 of the present application;
fig. 2 is a schematic side bottom view of a road and bridge crack repairing and fixing structure according to embodiment 1 of the present application;
fig. 3 is a schematic top view of a road and bridge crack repairing and fixing structure according to embodiment 1 of the present application.
Reference numerals illustrate:
mounting groove 1, top reinforced structure 2, stand 21, tie bolt 22, stop nut 23, fastening nut 24, bottom reinforced structure 3, pretension plate 31, buffer plate 32, fixing bolt 33, buffer spring 34, road bridge crack 4, step structure 5, reinforcing roof 6.
Detailed Description
The present application will be described in detail below with reference to the drawings and the embodiments, so that those skilled in the art can better understand the technical scheme of the present application and can implement the same. The following examples are only for more clearly illustrating the technical aspects of the present application, and are not intended to limit the scope of the present application.
In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the technical solutions of the present application and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present application, it should be noted that, unless explicitly specified or limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more, and will not be described in detail herein.
Example 1
The application provides a road and bridge crack repairing and fixing structure, which is particularly shown in fig. 1 to 3, in order to be matched with the implementation of the fixing structure, a plurality of groups of mounting grooves 1 are symmetrically arranged on two sides of a road and bridge crack before repairing, and the fixing structure comprises a top reinforcing structure 2 and a bottom reinforcing structure 3. And the strength of modification is improved by reinforcing up and down simultaneously.
Specifically, in this embodiment, the top reinforcing structure 2 includes a plurality of columns 21 and a plurality of tie bolts 22. Wherein, the plurality of upright posts 21 are uniformly arranged in the road and bridge cracks along the longitudinal direction; one end of each two tension bolts 22 far away from each other respectively passes through one group of mounting grooves 1, the end parts are fixed through limit nuts 23, and the opposite ends are in threaded connection through fastening nuts 24; a plurality of upright posts 21 and tension bolts 22 form a repairing frame; the repairing frame and the mounting groove 1 together form a filling layer, and the filling layer is filled with filler;
the bottom reinforcement structure 3 comprises two L-shaped pre-tension plates 31 and a buffer plate 32. Two L-shaped pre-tightening plates 31 are arranged below the road and bridge crack and fixedly connected with the bottom of the road and bridge; the buffer plates 32 are arranged on the two pre-tightening plates 31 and fixedly connected with the pre-tightening plates 31 through fixing bolts 33; a plurality of posts 21 extend downwardly and are connected to the buffer plate 32 through the bottom of the road and bridge split 4.
Further, in the present embodiment, the pre-tightening plate 31 is a high-strength steel plate, which has high comprehensive mechanical properties and can resist the strong pressure above. The bottom of the upright post 21 is connected with a buffer spring 34, and the lower end of the buffer spring 34 is connected with a buffer plate 32. In this embodiment, the buffer spring 34 is a high-strength high-pressure-resistant spring having a certain diameter. Through setting up buffer spring 34, can carry out certain buffering, transfer to the load pressure of repairing the position, reduce the direct impact of load to repairing the position, the load capacity is strong, improves the duration that the road and bridge used, increases the life of road and bridge, reduces bridge prosthetic frequency and economic expenditure.
Specifically, in this embodiment, the filler includes grouting sealing layer, waterproof layer and asphalt concrete layer that sets gradually in the filling layer from bottom to top, asphalt concrete layer and road and bridge main part top parallel and level. Wherein the grouting sealing layer is made of epoxy resin material. The epoxy resin material has strong viscosity, can tightly connect the whole filler with the original structure of the road and bridge, and simultaneously is matched with the waterproof layer to greatly enhance the waterproof performance of the fixed structure, so that the repaired crack can bear the erosion of a disfiguring environment, and the frequent re-expansion of the crack is avoided.
For convenient installation, in this embodiment, the side of mounting groove 1 that keeps away from road and bridge crack is the inclined plane, conveniently carries out spacing fixed to the tip of the tensioning bolt 22 in the mounting groove 1 to and convenient demolition work when the secondary maintenance.
Under the general circumstances, the crack is from the middle to spread to both sides, so the crack in the middle of the crack is big, the thickness of the road bridge deck is small, and both sides are big, based on this case this embodiment restore the inside of road bridge crack to the symmetrical step structure 5 of longitudinal section, all set up stand 21 on every layer of step, stand 21 top on the different layer steps all is less than road bridge 4 main part top surface for the top of restoring the position is filled by the filler, guarantees the roughness of road surface after restoring.
In order to improve the strength of the whole structure, in this embodiment, two adjacent columns 21 are bound by steel wires, and the adjacent columns 21 have traction force with each other by binding, so that the strength of the filler is enhanced.
Because the crack can not be completely integrated with the original road bridge deck material after repairing, the road bridge deck material is still easy to damage under the action of continuous external load, the reinforced top plate 6 is further arranged on the basis of the structure, the reinforced top plate 6 is arranged above the road bridge crack, the top of the reinforced top plate is lower than the top surface of the main body of the road bridge 4, the tops of the upright posts 21 penetrate through the reinforced top plate 6, and the asphalt concrete layer penetrates through the upper side and the lower side of the reinforced steel plate. The strength of the repairing part is further improved and the service life of roads and bridges is prolonged by the cooperation of the reinforced top plate 6, the upright posts 21 and the filler.
During construction, firstly, the mounting groove 1 and the step structure 5 are excavated according to specific conditions of cracks, then the upright posts 21, the tension bolts 22, the limit nuts 23, the fastening nuts 24, the pre-tightening plate 31, the buffer plate 32 and the like are mounted, then the formed filling layer is filled, finally the reinforced top plate 6 is mounted, and then secondary filling is carried out, and the reinforced top plate can be put into use after air drying.
The above embodiments are merely preferred embodiments of the present application, the protection scope of the present application is not limited thereto, and any simple changes or equivalent substitutions of technical solutions that can be obviously obtained by those skilled in the art within the technical scope of the present application disclosed in the present application belong to the protection scope of the present application.
Claims (7)
1. The road and bridge crack repairing and fixing structure is characterized by comprising a top reinforcing structure (2) and a bottom reinforcing structure (3);
the top reinforcement structure (2) comprises:
the upright posts (21) are uniformly arranged in the road and bridge cracks along the longitudinal direction;
the ends of each two tension bolts (22) are respectively penetrated through one group of mounting grooves (1) and fixed by limiting nuts (23), and the opposite ends are in threaded connection by fastening nuts (24); the upright posts (21) and the tension bolts (22) form a repairing frame; the repairing frame and the mounting groove (1) jointly form a filling layer, and the filling layer is filled with filler;
the bottom reinforcement structure (3) comprises:
two L-shaped pre-tightening plates (31) which are arranged below the road and bridge crack and fixedly connected with the bottom of the road and bridge;
the buffer plates (32) are erected on the two pre-tightening plates (31) and are fixedly connected with the pre-tightening plates (31) through fixing bolts (33); the upright posts (21) extend downwards and penetrate through the bottom of the road bridge (4) to be connected with the buffer plate (32);
the bottom end of the upright post (21) is connected with a buffer spring (34), and the lower end of the buffer spring (34) is connected with the buffer plate (32);
the longitudinal sections inside the road and bridge cracks are symmetrical step structures (5), and the tops of the stand columns (21) on different steps are lower than the top surface of the main body of the road and bridge (4).
2. The road and bridge crack repairing and fixing structure according to claim 1, wherein the pre-tightening plate (31) is a high-strength steel plate.
3. The road and bridge crack repairing and fixing structure according to claim 1, wherein the filler comprises a grouting sealing layer, a waterproof layer and an asphalt concrete layer which are sequentially arranged in the filling layer from bottom to top, and the asphalt concrete layer is flush with the top of the road and bridge main body.
4. A road and bridge crack repairing and fixing structure according to claim 3, wherein the grouting sealing layer is made of an epoxy resin material.
5. The road and bridge crack repairing and fixing structure according to claim 1, wherein one side of the mounting groove (1) far away from the road and bridge crack is an inclined surface.
6. A road and bridge crack repairing and fixing structure according to claim 3, characterized in that two adjacent columns (21) are bound by steel wires.
7. The road and bridge crack repairing and fixing structure according to claim 6, further comprising a reinforced top plate (6), wherein the reinforced top plate (6) is arranged above the road and bridge crack, the top of the reinforced top plate is lower than the top surface of the main body of the road and bridge (4), the tops of the upright posts (21) penetrate through the reinforced top plate (6), and the asphalt concrete layer penetrates through the upper side and the lower side of the reinforced top plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111289986.5A CN113774820B (en) | 2021-11-02 | 2021-11-02 | Road and bridge crack repair fixing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111289986.5A CN113774820B (en) | 2021-11-02 | 2021-11-02 | Road and bridge crack repair fixing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113774820A CN113774820A (en) | 2021-12-10 |
| CN113774820B true CN113774820B (en) | 2023-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111289986.5A Active CN113774820B (en) | 2021-11-02 | 2021-11-02 | Road and bridge crack repair fixing structure |
Country Status (1)
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| CN (1) | CN113774820B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382022B (en) * | 2022-02-21 | 2023-08-18 | 河南城建学院 | Road and bridge crack reinforcing structure and reinforcing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5771557A (en) * | 1996-11-21 | 1998-06-30 | Contrasto; Sam | Concrete internal metal stitching |
| CN207891758U (en) * | 2018-02-01 | 2018-09-21 | 四川双建路桥机械有限责任公司 | Novel road and bridge crack bracing means |
| CN208151874U (en) * | 2018-03-27 | 2018-11-27 | 赖美娜 | A kind of bracing means that road and bridge crack is repaired |
| CN208981172U (en) * | 2018-10-30 | 2019-06-14 | 梁进修 | A kind of bridge strengthening Corrosion Reinforcement bracing means |
| CN111119073A (en) * | 2019-12-23 | 2020-05-08 | 吴满钢 | Road and bridge crack reinforcing apparatus |
| CN111676838A (en) * | 2020-06-02 | 2020-09-18 | 尹义娜 | Road and bridge crack repairing and fixing structure |
| CN112502037A (en) * | 2020-12-23 | 2021-03-16 | 河南省交通规划设计研究院股份有限公司 | Wet seam connection structure of prefabricated decking |
| CN213061747U (en) * | 2020-08-04 | 2021-04-27 | 姜奎 | Road and bridge crack repairing and fixing structure |
-
2021
- 2021-11-02 CN CN202111289986.5A patent/CN113774820B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5771557A (en) * | 1996-11-21 | 1998-06-30 | Contrasto; Sam | Concrete internal metal stitching |
| CN207891758U (en) * | 2018-02-01 | 2018-09-21 | 四川双建路桥机械有限责任公司 | Novel road and bridge crack bracing means |
| CN208151874U (en) * | 2018-03-27 | 2018-11-27 | 赖美娜 | A kind of bracing means that road and bridge crack is repaired |
| CN208981172U (en) * | 2018-10-30 | 2019-06-14 | 梁进修 | A kind of bridge strengthening Corrosion Reinforcement bracing means |
| CN111119073A (en) * | 2019-12-23 | 2020-05-08 | 吴满钢 | Road and bridge crack reinforcing apparatus |
| CN111676838A (en) * | 2020-06-02 | 2020-09-18 | 尹义娜 | Road and bridge crack repairing and fixing structure |
| CN213061747U (en) * | 2020-08-04 | 2021-04-27 | 姜奎 | Road and bridge crack repairing and fixing structure |
| CN112502037A (en) * | 2020-12-23 | 2021-03-16 | 河南省交通规划设计研究院股份有限公司 | Wet seam connection structure of prefabricated decking |
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| CN113774820A (en) | 2021-12-10 |
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