CN214219382U - Steel case bridge floor combination reinforcing structure of mating formation - Google Patents
Steel case bridge floor combination reinforcing structure of mating formation Download PDFInfo
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- CN214219382U CN214219382U CN202023120558.3U CN202023120558U CN214219382U CN 214219382 U CN214219382 U CN 214219382U CN 202023120558 U CN202023120558 U CN 202023120558U CN 214219382 U CN214219382 U CN 214219382U
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Abstract
The application relates to a steel box bridge deck combined reinforcing and paving structure which comprises a cracked steel bridge deck, a reinforcing component and a solidifying and filling layer, wherein the reinforcing component is fixed in a crack, and the solidifying and filling layer is filled in the crack; the pavement structure further comprises a plurality of fixing assemblies, the fixing assemblies are abutted to the cracked steel bridge deck, the fixing assemblies are located on one side, close to the bottom of the crack, of the reinforcing assembly, and the reinforcing assembly is fixedly connected to the fixing assemblies. This application adopts solidification filling layer, reinforcement component and fixed subassembly to cooperate, not only can closely fill the crack tightly, can also play the reinforcement effect to the crack after filling.
Description
Technical Field
The application relates to the field of bridge maintenance, in particular to a steel box bridge deck combination reinforcing and paving structure.
Background
The orthotropic cracked steel bridge deck has the advantages of light weight, large ultimate bearing capacity, rapid construction, beautiful shape and the like, and is widely applied to the construction of large-span bridges. However, the local rigidity of the steel bridge deck is too low, and the problem of fatigue cracking is easy to occur in the long-term use process. In the related art, a reinforcement structure is mostly adopted to reinforce the cracked steel bridge deck.
The patent of the Chinese utility model with the publication number of CN207419259U discloses a light combined reinforced structure without repairing the cracked steel bridge deck, which comprises the cracked steel bridge deck, steel strips welded with short studs and an ultra-high performance concrete layer, wherein the steel strips are arranged on the cracked steel bridge deck at intervals along the bridge direction and cover the steel strips and the steel bridge deck; the structure can finish construction by adopting a common welding technology without repairing cracks.
With respect to the related art in the above, the inventors consider that: the steel plate strips are spot-welded on the cracked bridge deck slab and are difficult to be tightly attached to the bridge deck slab, and rainwater easily enters from the cracked part of the bridge deck slab to corrode the steel plate strips.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that above-mentioned steel sheet strip easily receives the corruption, this application provides a steel case bridge floor combination reinforcing pavement structure.
The application provides a pair of steel case bridge floor combination consolidates structure of mating formation adopts following technical scheme:
a steel box bridge deck combined reinforcing pavement structure comprises a cracked steel bridge deck, a reinforcing component and a solidification filling layer, wherein the reinforcing component is fixed in cracks, and the solidification filling layer is filled in the cracks; the pavement structure further comprises a plurality of fixing assemblies, the fixing assemblies are abutted to the cracked steel bridge deck, the fixing assemblies are located on one side, close to the bottom of the crack, of the reinforcing assembly, and the reinforcing assembly is fixedly connected to the fixing assemblies.
By adopting the technical scheme, during construction, an operator fixes the fixing component in the crack and then fixedly connects the reinforcing component to the fixing component; subsequently, the operator injects the solidified filling layer into the crack; after the solidification filling layer is solidified, the fractured steel bridge deck is reinforced and connected, and gaps in the fractures are filled; the reinforcing component increases the connection strength of the solidified filling layer; the reinforcing assembly, the fixing assembly and the solidification filling layer are matched, so that cracks can be repaired closely and efficiently, and the probability of rainwater corrosion on the reinforcing assembly is reduced.
Optionally, the crack is relatively provided with a mounting groove matched with the fixing component, the fixing component comprises a pair of reinforcing plates, a connecting block, a reinforcing bolt, a reinforcing nut and a fastening cone, the reinforcing plates are matched with the mounting groove in a fastening manner, the reinforcing plates are opposite to the side wall far away from the mounting groove, the connecting block is connected with the connecting plate in a sliding manner, the reinforcing nut is fixedly connected onto the connecting block, the reinforcing bolt penetrates through the connecting block and is in threaded connection with the reinforcing nut, the reinforcing bolt penetrates out of one end of the connecting block and is fixedly connected with the fastening cone, the side wall of the fastening cone is fastened on the side wall far away from the mounting groove of the reinforcing plate, and the narrow end of the fastening cone extends towards the direction away from.
By adopting the technical scheme, during construction, an operator firstly opens a mounting groove in a crack, then places a fixing component into the mounting groove, so that one end of the reinforcing plate, which is far away from the tightening cone, extends into the mounting groove and tightly presses the mounting groove, then the operator screws the reinforcing bolt, the reinforcing bolt drives the tightening cone to move towards the direction close to the bottom of the crack under the action of the reinforcing nut, at the moment, the side wall of the tightening cone gradually presses the reinforcing plate, the reinforcing plate gradually presses the groove wall of the mounting groove under the action of the tightening cone, finally, the connecting block is fixed in the crack under the action of the tightening of the pair of reinforcing plates, and then, the operator fixedly connects the reinforcing component on the connecting block; the fixing member enables the reinforcing member to be firmly fixed in the crack, thereby increasing the joint strength of the solidified filling layer.
Optionally, the top wall of the connecting block is provided with a plurality of reinforcing columns, and one end of each reinforcing column, which is far away from the connecting block, extends in a direction away from the bottom of the crack.
Through adopting above-mentioned technical scheme, the extension range that adds the post and make the connecting block along crack depth direction increases, and the operator of being convenient for will consolidate the subassembly and fix on the connecting block.
Optionally, the reinforcing assembly comprises a reinforcing frame welded to the side wall of the reinforcing column; the reinforcing bar frame includes a plurality of horizontal reinforcing bars, a plurality of vertical reinforcing bar and a plurality of connecting wire, horizontal reinforcing bar extends along crack width direction, vertical reinforcing bar extends along crack length direction, the juncture of horizontal reinforcing bar and vertical reinforcing bar is tied a knot through connecting the steel wire and is fixed.
Through adopting above-mentioned technical scheme, horizontal reinforcing bar and vertical reinforcing bar cooperation play the effect of braced skeleton for the crack atress after repairing is even, solidifies the filling layer and can use the reinforcing bar frame to solidify as the skeleton, has increased the intensity of repairing the back cracked steel decking.
Optionally, the reinforcing assembly further includes a plurality of reinforcing steel bar frames, each reinforcing steel bar pipe is sleeved on at least two reinforcing columns, and the reinforcing steel bar frames are welded to the sides of the longitudinal steel bars and the transverse steel bars, which are far away from the connecting block.
By adopting the technical scheme, when an operator adds the solidified filling layer, the reinforcing steel bar frame formed by the transverse reinforcing steel bars and the longitudinal reinforcing steel bars can shake under the influence of the solidified filling layer, so that the reinforcing effect of the reinforcing steel bar frame on the cracked steel bridge deck is reduced; the reinforcing steel bar frame plays a role in fixing the steel bar frame along the horizontal direction, so that the deformation of the steel bar frame is reduced, and the strength of the repaired cracked steel bridge deck is increased.
Optionally, the solidification filling layer comprises a conventional concrete layer and an active powder concrete layer, the conventional concrete layer is filled in the crack, the active powder concrete layer is filled on one side, far away from the bottom of the crack, of the conventional concrete, one end of the reinforcing column extends into the conventional concrete layer, and the other end of the reinforcing column extends into the active powder concrete layer.
By adopting the technical scheme, after the traditional concrete layer is solidified, the filling effect is achieved on the cracks, the reinforcing component and the reinforcing plate are firmly fixed in the cracks, and the strength of the cracks is improved; when the active powder concrete layer plays a further reinforcing role, the active powder concrete layer can further prevent external harmful substances from entering cracks, and the reinforcing assembly, the fixing assembly and the traditional concrete layer are protected.
Optionally, a protective layer is laid on one side of the active powder concrete layer away from the conventional concrete layer.
Through adopting above-mentioned technical scheme, can produce the pressure of different degrees to the bridge floor when the vehicle traveles, the protective layer plays the guard action to active powder concrete layer, has reduced the wearing and tearing of active powder concrete layer to make active powder concrete layer can play long-term guard action to fixed subassembly and reinforcement subassembly.
Optionally, the protective layer comprises an asphalt layer.
By adopting the technical scheme, the asphalt layer has smooth surface and good wear resistance, the joint between the asphalt layer and the cracked steel bridge deck is not obvious, the maintenance is simple and convenient, and the asphalt layer can play a good role in protecting the active powder concrete layer.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the solidification filling layer, the reinforcing component and the fixing component are cooperatively matched, so that the crack can be tightly and tightly filled, and the filled crack can be reinforced;
2. the connecting block has a fixing effect on the reinforcing component from the vertical direction; the reinforcing steel bar frame plays a fixing role in the reinforcing component from the horizontal direction.
3. The utility model provides a traditional concrete layer and active powder concrete layer cooperation can not only fill the crack closely, can also reduce and consolidate the subassembly and fixed subassembly and receive the probability of erosion.
Drawings
Fig. 1 is a schematic overall structure diagram of a steel box bridge deck combined reinforcing pavement structure according to an embodiment of the application.
Fig. 2 is a schematic structural view (hiding the solidified filling layer and the protective layer) for embodying the fixing member and the reinforcing member.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Fig. 4 is an exploded view of the fastening assembly of the present application.
Description of reference numerals: 1. a cracked steel deck slab; 11. cracking; 12. mounting grooves; 2. a fixing assembly; 21. a reinforcing plate; 22. connecting blocks; 221. a mounting cavity; 222. a sliding groove; 223. a sliding hole; 224. reinforcing columns; 23. reinforcing the bolt; 24. reinforcing the nut; 25. tightly abutting against the cone; 3. solidifying the filling layer; 31. a conventional concrete layer; 32. an active powder concrete layer; 4. a protective layer; 5. a reinforcement assembly; 51. a reinforcing steel bar frame; 511. longitudinal reinforcing steel bars; 512. transverse reinforcing steel bars; 513. connecting steel wires; 52. and reinforcing the steel bar frame.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses steel case bridge floor combination reinforcing pavement structure. Referring to fig. 1 and 2, the reinforcement pavement structure includes a cracked steel deck plate 1, the cracked steel deck plate 1 including cracks 11; the reinforced pavement structure further comprises a reinforcing component 5, a solidified filling layer 3 and a fixing component 2, wherein the fixing component 2 is fixed in the crack 11, the reinforcing component 5 is fixedly connected to one side, away from the bottom of the crack 11, of the fixing component 2, the solidified filling layer 3 is filled in the crack 11, the reinforcing component 5 and the fixing component 2 are both embedded in the solidified filling layer 3, a protective layer 4 is laid on one side, away from the bottom of the crack 11, of the solidified filling layer 3, and one surface, away from the solidified filling layer 3, of the protective layer 4 is flush with the surface of the cracked steel bridge deck 1; the protective layer 4 chooses the pitch layer for use, and the pitch layer has advantages such as the wearability is good, surfacing, can play effectual guard action to solidifying filling layer 3, reinforcement component 5 and fixed subassembly 2 homoenergetic.
Referring to fig. 1, the solidified filling layer 3 includes a regular concrete layer 31 and an active powder concrete layer 32, and the active powder concrete layer 32 is used in the same manner as the active powder concrete layer described in the patent with the publication number CN 206052533U; the regular concrete layer 31 is filled in the crack 11, and the fixing assembly 2 is embedded in the regular concrete layer 31; the reinforcing component 5 is laid on one side of the conventional concrete layer 31 far away from the bottom of the crack 11, and the active powder concrete layer 32 is laid on the reinforcing component 5, so that the reinforcing component 5 is protected.
Referring to fig. 3 and 4, a plurality of pairs of mounting grooves 12 are formed in the cracked steel bridge deck 1, the mounting grooves 12 are distributed in the crack 11 relatively, and the length direction of the mounting grooves 12 is the same as that of the crack 11; the fixing assembly 2 comprises a pair of reinforcing plates 21, a connecting block 22, a reinforcing bolt 23, a reinforcing nut 24 and a abutting cone 25, the shape and size of the end wall of each reinforcing plate 21 are matched with those of the installation groove 12, one end of each reinforcing plate 21 abuts against the installation groove 12, one end, far away from the installation groove 12, of each reinforcing plate 21 penetrates through the connecting block 22 and faces the other reinforcing plate 21 and abuts against the side wall of the abutting cone 25, and the connecting block 22, the reinforcing plates 21, the reinforcing bolt 23, the reinforcing nut 24 and the abutting cone 25 are embedded in a conventional concrete layer 31.
Referring to fig. 4, an installation cavity 221 is formed in the connection block 22, a sliding groove 222 is formed in the side wall, facing the installation groove 12, of the connection block 22, the sliding groove 222 is communicated with the installation cavity 221, the reinforcing plate 21 is connected in the sliding groove 222 in a sliding manner, and one end, far away from the sliding groove 222, of the reinforcing plate 21 extends into the installation cavity 221; the middle part of the top wall of the connecting block 22 is provided with a sliding hole 223, and the sliding hole 223 is communicated with the mounting cavity 221; the reinforcing nut 24 is welded on the top wall of the connecting block 22 and is communicated with the sliding hole 223, and the reinforcing bolt 23 sequentially penetrates through the reinforcing nut 24 and the sliding hole 223 and is in threaded connection with the reinforcing bolt 23; one end of the reinforcing bolt 23 penetrating through the sliding hole 223 extends into the mounting cavity 221 and is fixedly connected to the end wall of the wide end of the abutting cone 25; the side wall of the abutting cone 25 abuts against the side wall of the reinforcing plate 21 far away from the sliding groove 222; the shape of the abutting cone 25 is conical, which is convenient for matching with the reinforcing bolt 23 to abut the reinforcing plate 21 in the sliding groove 222.
Referring to fig. 2 and 3, the reinforcing assembly 5 includes a reinforcing frame 51, the reinforcing frame 51 includes a plurality of transverse reinforcing bars 512 and a plurality of longitudinal reinforcing bars 511, the length direction of the transverse reinforcing bars 512 extends along the width direction of the crack 11, the length direction of the longitudinal reinforcing bars 511 extends along the length direction of the crack 11, connecting steel wires 513 are disposed at the overlapping junctions of the transverse reinforcing bars 512 and the longitudinal reinforcing bars 511, and the junctions of the transverse reinforcing bars 512 and the longitudinal reinforcing bars 511 are fixed by knotting the connecting steel wires 513; the transverse reinforcing steel bars 512 and the longitudinal reinforcing steel bars 511 which are opposite to the top wall of the connecting block 22 are welded on the top wall of the connecting block 22.
Referring to fig. 3, two rows of reinforcing columns 224 are welded to the top wall of the connecting block 22 in a butt welding manner, each row of reinforcing columns 224 comprises 4 reinforcing columns 224, the axial direction of each reinforcing column 224 is perpendicular to the cracked steel bridge deck 1, and one end of each reinforcing column 224, which is far away from the connecting block 22, extends into the active powder concrete layer 32; the reinforcing component 5 further comprises a plurality of reinforcing steel bar frames 52, and each reinforcing steel bar frame 52 is sleeved on four opposite reinforcing columns 224 and welded with the side walls of the reinforcing columns 224, so that the stability of the longitudinal steel bars 511 and the transverse steel bars 512 is further ensured when the solidified filling layer 3 is poured.
The implementation principle of the steel box bridge deck combination reinforcing and paving structure of the embodiment of the application is as follows: during construction, an operator firstly relatively opens a plurality of pairs of mounting grooves 12 in a crack 11 of a cracked steel bridge deck slab 1, and places a fixing component 2 in the crack 11 so that a reinforcing plate 21 is opposite to the mounting grooves 12; subsequently, the operator tightens the reinforcing bolt 23 to make the abutting cone 25 abut against the side wall of the reinforcing plate 21, and the reinforcing plate 21 finally abuts against the groove wall of the mounting groove 12 under the abutting action of the abutting cone 25; at this time, the operator welds the longitudinal bars 511 and the transverse bars 512 to the top wall of the connection block 22 using the connection wires 513; after the welding, the operator puts the reinforcing steel bar frame 52 on the 4 opposite reinforcing columns 224, and welds the inner walls of the reinforcing steel bar frame 52 on the side walls of the reinforcing columns 224, so as to further limit the steel bar frame 51; after welding, an operator pours conventional concrete into the crack 11 to form a conventional concrete layer 31, stops pouring when the conventional concrete layer 31 submerges the top wall of the connecting block 22, and pours an active powder concrete layer 32 and an asphalt layer 41 into the crack 11 in sequence.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a steel case bridge floor combination consolidates structure of mating formation, includes cracked steel decking (1), its characterized in that: the reinforcing component (5) is fixed in the crack (11), and the solidified filling layer (3) is filled in the crack (11); the pavement structure further comprises a plurality of fixing assemblies (2), the fixing assemblies (2) are abutted to the cracked steel bridge deck (1) in a tight fit mode, the fixing assemblies (2) are located on one side, close to the bottom of the crack (11), of the reinforcing assembly (5), and the reinforcing assembly (5) is fixedly connected onto the fixing assemblies (2).
2. The steel box bridge deck combination reinforcing pavement structure of claim 1, wherein: the mounting groove (12) matched with the fixing component (2) for use is relatively arranged in the crack (11), the fixing component (2) comprises a pair of reinforcing plates (21), a connecting block (22), a reinforcing bolt (23), a reinforcing nut (24) and a abutting cone (25), the reinforcing plates (21) are abutted to the mounting groove (12) for tight fit, the side walls of the pair of reinforcing plates (21) far away from the mounting groove (12) are opposite, the connecting block (22) is connected with the reinforcing plates (21) in a sliding manner, the reinforcing nut (24) is fixedly connected onto the connecting block (22), the reinforcing bolt (23) penetrates through the connecting block (22) and is in threaded connection with the reinforcing nut (24), one end of the reinforcing bolt (23) penetrating through the connecting block (22) is fixedly connected with the abutting cone (25), the side wall of the abutting cone (25) is abutted to the side wall of the reinforcing plate (21) far away from the mounting groove (12), the narrow end of the abutting cone (25) extends towards the direction departing from the connecting block (22).
3. The steel box bridge deck combination reinforcing pavement structure of claim 2, wherein: the top wall of the connecting block (22) is provided with a plurality of reinforcing columns (224), and one end, far away from the connecting block (22), of each reinforcing column (224) extends towards the direction away from the bottom of the crack (11).
4. The steel box bridge deck combination reinforcing pavement structure of claim 3, wherein: the reinforcing assembly (5) comprises a steel bar frame (51), and the steel bar frame (51) is welded on the side wall of the reinforcing column (224); the steel bar frame (51) comprises a plurality of transverse steel bars (512), a plurality of longitudinal steel bars (511) and a plurality of connecting steel wires (513), wherein the transverse steel bars (512) extend along the width direction of the crack (11), the longitudinal steel bars (511) extend along the length direction of the crack (11), and the junctions of the transverse steel bars (512) and the longitudinal steel bars (511) are fixed by knotting the connecting steel wires (513).
5. The steel box bridge deck combination reinforcing pavement structure of claim 4, wherein: the reinforcing assembly (5) further comprises a plurality of reinforcing steel bar frames (52), each reinforcing steel bar frame (52) is sleeved on at least two reinforcing columns (224), and the reinforcing steel bar frames (52) are welded on one sides, far away from the connecting blocks (22), of the longitudinal steel bars (511) and the transverse steel bars (512).
6. The steel box bridge deck combination reinforcing pavement structure of claim 3, wherein: the solidification filling layer (3) comprises a conventional concrete layer (31) and an active powder concrete layer (32), the conventional concrete layer (31) is filled in the crack (11), the active powder concrete layer (32) is filled on one side, away from the bottom of the crack (11), of the conventional concrete layer (31), one end of the reinforcing column (224) extends into the conventional concrete layer (31), and the other end of the reinforcing column (224) extends into the active powder concrete layer (32).
7. The steel box bridge deck combination reinforcing pavement structure of claim 6, wherein: and a protective layer (4) is laid on one side of the active powder concrete layer (32) far away from the conventional concrete layer (31).
8. The steel box bridge deck combination reinforcing pavement structure of claim 7, wherein: the protective layer (4) comprises an asphalt layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023120558.3U CN214219382U (en) | 2020-12-22 | 2020-12-22 | Steel case bridge floor combination reinforcing structure of mating formation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023120558.3U CN214219382U (en) | 2020-12-22 | 2020-12-22 | Steel case bridge floor combination reinforcing structure of mating formation |
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| Publication Number | Publication Date |
|---|---|
| CN214219382U true CN214219382U (en) | 2021-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023120558.3U Active CN214219382U (en) | 2020-12-22 | 2020-12-22 | Steel case bridge floor combination reinforcing structure of mating formation |
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| CN (1) | CN214219382U (en) |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A composite reinforced pavement structure of steel box bridge deck Effective date of registration: 20220526 Granted publication date: 20210917 Pledgee: Chengdong Branch of Nanjing Bank Co.,Ltd. Pledgor: Nanjing chaoke road and Bridge Engineering Technology Co.,Ltd. Registration number: Y2022980006348 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |