CN111778878A - Bridge deck pavement structure suitable for bridge repair and method thereof - Google Patents

Abstract

The application relates to a bridge deck pavement structure suitable for bridge repair, which comprises a bridge deck pit slot, wherein the bridge deck pit slot is provided with a pavement device, and the pavement device comprises a fixed bottom plate arranged at the bottom of the bridge deck pit slot through a pre-embedded mechanism; a plurality of fixed side plates which are arranged on the bearing surface of the fixed bottom plate in a surrounding way and are abutted with the wall of the bridge deck pit slot; a plurality of fixed steel columns arranged on the bearing surface of the fixed bottom plate; the fixed top plates are all arranged on the fixed steel columns through the fixing mechanisms; and the fixed cover plate is arranged at the top of the bridge floor pit slot and arranged on the fixed top plate through the connecting mechanism, and a reinforcing mechanism which is arranged between the fixed side plate and the wall of the bridge floor pit slot and used for reinforcing the fixed side plate is arranged between the fixed side plate and the wall of the bridge floor pit slot. This application not only can be convenient for play effectual restoration effect to bridge floor pot hole, makes the bridge floor have fine intensity and bearing effect moreover to can reduce the circumstances that the damage appears once more in the bridge floor pot hole of restoreing, make the bridge floor can normal use, and then can reduce the waste of restoration cost.

Description

Bridge deck pavement structure suitable for bridge repair and method thereof

Technical Field

The application relates to the technical field of bridge repair, in particular to a bridge deck pavement structure suitable for bridge repair and a bridge deck pavement method.

Background

At present, the bridge deck of traditional steel truss roof beam highway adopts precast concrete bridge deck to lay and forms mostly, present stage, along with the increase of traffic volume day by day, the load of bridge is bigger and bigger, because traditional bridge bearing capacity is limited, when using, the wheel load direct action that overloads the vehicle is on the concrete bridge deck, can cause concrete bridge road surface to appear local damage, pot hole or crack scheduling problem, if repair in time, not only can lead to the condition that jolt or even the turnover appears in the vehicle that traveles, with the security that influences the vehicle that traveles, and under the long-term roll of vehicle, can further accelerate the concrete bridge deck impaired.

In addition, the corrosion caused by high temperature weather, freezing weather, rain water and the like can seriously affect the service life of the bridge after a long time. Therefore, in daily life, when the bridge deck is partially damaged, the damaged position needs to be repaired in time.

In the existing repair process of a large bridge pit, broken stones, waste impurities or sundries in the pit are generally cleaned firstly, then a certain amount of cement mortar is poured into the pit to bury the pit, then the cement mortar is evenly trowelled, after the cement mortar is solidified, an asphalt concrete layer is laid on the solidified cement mortar, and finally the asphalt concrete layer is fully compacted by utilizing a compaction tool, so that the bridge pit can be repaired.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: newly poured cement often can not be closely combined with an original bridge structure, a repaired pit still appears in the original place again after rolling by vehicles in a short time, the pit needs to be repaired again, and the method for repairing the pit is repeatedly carried out, so that the repairing effect is poor, the waste of repairing cost is caused, and the normal use of the bridge is seriously interfered.

Disclosure of Invention

The application provides a bridge deck pavement structure suitable for bridge restoration adopts following technical scheme:

a bridge deck pavement structure suitable for bridge repair comprises a bridge deck pit slot, wherein a pavement device for repairing the bridge deck pit slot is arranged in the bridge deck pit slot, and the pavement device comprises a fixed bottom plate arranged at the bottom of the bridge deck pit slot through a pre-embedded mechanism; the fixed side plates are arranged on the bearing surface of the fixed bottom plate in a surrounding mode and abut against the wall of the bridge deck pit groove; a plurality of fixed steel columns arranged on the bearing surface of the fixed bottom plate; the fixed top plates are arranged on the fixed steel columns through fixing mechanisms; and the fixed cover plate is arranged at the top of the bridge deck pit slot and on the fixed top plate through a connecting mechanism, and a reinforcing mechanism which is arranged between the fixed side plate and the side wall of the bridge deck pit slot and used for reinforcing the fixed side plate is arranged between the fixed side plate and the side wall of the bridge deck pit slot.

Through adopting above-mentioned technical scheme, through setting up PMKD, fixed curb plate, fixed steel column, fixed roof and the steel construction of fixed apron mutually supporting, not only can be convenient for play effectual restoration effect to bridge floor pit slot, make the bridge floor have fine intensity and bearing effect moreover to can reduce the circumstances that the damage appears once more in the bridge floor pit slot of restoreing, make the bridge floor can normal use, and then can reduce the waste of restoration cost.

Preferably, the pre-buried mechanism comprises a pre-buried plate arranged at the bottom of the bridge deck pit slot; a plurality of first threaded rods, one ends of which are vertically arranged on one side of the embedded plate, which is far away from the bottom of the bridge deck pit groove, and the other ends of which penetrate through the fixed bottom plate; the first gasket is sleeved on the first threaded rod; the first nut is arranged on the first gasket and is in threaded connection with the first threaded rod; and the limiting assembly is arranged between the embedded plate and the bottom of the bridge deck pit groove and used for fixing and limiting the embedded plate, a plurality of first fixing holes penetrate through the fixing bottom plate, and one end, deviating from the embedded plate, of the first threaded rod penetrates through the first fixing holes.

By adopting the technical scheme, the fixed base plate can be conveniently and fixedly installed on the embedded plate by arranging the structure that the embedded plate, the first threaded rod, the first gasket and the first nut are matched with each other.

Preferably, the limit assembly comprises a plurality of explosive bolts penetrating through the embedded plate and extending into the bottom of the bridge deck pit slot; the second gasket is sleeved on the explosion bolt; and the second nut is arranged on the second gasket and is in threaded connection with the screw end on the explosion bolt, a plurality of first limiting holes matched with the explosion bolt are formed in the bottom of the bridge floor pit groove, a plurality of second limiting holes matched with the screw end on the explosion bolt penetrate through the embedded plate, and the first limiting holes correspond to the second limiting holes.

Through adopting above-mentioned technical scheme, through setting up the structure that explosion bolt, second gasket and second nut mutually supported, can be convenient for fix the tank bottom at bridge floor pit slot firmly with pre-buried board to can be convenient for play better bearing effect to PMKD.

Preferably, the fixing mechanism comprises a fixing block connected to one side of the fixing steel column, which is far away from the fixing bottom plate; a plurality of threaded holes penetrating through the fixing block; and the countersunk head bolts are arranged in the fixed top plate and are in threaded connection with the threaded holes, fixed grooves matched with the fixed blocks are formed in one side, facing the fixed bottom plate, of the fixed top plate, a plurality of second fixed holes communicated with the fixed grooves penetrate through the fixed top plate, the second fixed holes are matched with the countersunk head bolts, and the countersunk head bolts penetrate through the second fixed holes and are in threaded connection with the threaded holes.

Through adopting above-mentioned technical scheme, through setting up the structure that fixed block, fixed slot, screw hole, countersunk bolt and second fixed orifices mutually supported, can be convenient for place the roof of fixing is firm on fixed steel column, then pass the threaded hole that the knob of second fixed orifices advanced on the fixed block through the countersunk bolt to can be convenient for with fixed roof fixed mounting on fixed steel column.

Preferably, the reinforcing mechanism comprises a plurality of reinforcing rods, one end of each reinforcing rod is slidably arranged on one side of the fixed side plate facing the wall of the bridge deck pit groove, and the other end of each reinforcing rod extends into the wall of the bridge deck pit groove; and the telescopic springs are arranged in the fixed side plates and connected with the ends, far away from the wall of the bridge deck pit slot, of the reinforcing rods, the fixed side plates are provided with a plurality of reinforcing cavities matched with the reinforcing rods and the telescopic springs, and the wall of the bridge deck pit slot is provided with a plurality of reinforcing holes matched with the ends, far away from the telescopic springs, of the reinforcing rods.

By adopting the technical scheme, through the arrangement of the structure that the reinforcing rods, the telescopic springs, the reinforcing cavities and the reinforcing holes are matched with one another, when the reinforcing rods are driven by the fixed side plates to be installed in the bridge floor pit slots, the reinforcing rods are extruded by the wall of the bridge floor pit slots, so that the reinforcing rods can extrude the telescopic springs, and the telescopic springs contract, so that the reinforcing rods can stretch into the reinforcing cavities; when the reinforcing cavity corresponds to the reinforcing holes, the reinforcing rods can be pushed against the restoring of the telescopic springs, so that the reinforcing rods extend into the reinforcing holes along the reinforcing cavity, and the fixed side plates are better fixed in the bridge deck pit slots.

Preferably, the connecting mechanism comprises a plurality of second threaded rods, one ends of the second threaded rods are connected to one side, away from the fixed steel column, of the fixed top plate, and the other ends of the second threaded rods penetrate through the fixed cover plate; the third gasket is sleeved on the second threaded rod; and the third nut is arranged on the third gasket and is in threaded connection with the second threaded rod, and a plurality of connecting holes matched with the second threaded rod penetrate through the fixed cover plate.

Through adopting above-mentioned technical scheme, through setting up the structure that second threaded rod, third gasket and third nut mutually supported, can be convenient for with fixed cover plate fixed mounting on fixed roof to can play better bearing effect.

Preferably, dovetail blocks are arranged on the peripheral side faces of the fixed side plates and the peripheral side faces of the embedded plates, and dovetail grooves matched with the dovetail blocks are formed in the peripheral groove walls of the bridge deck pit grooves.

By adopting the technical scheme, the dovetail block and the dovetail groove are matched with each other, so that the embedded plate and the fixed side plate can be conveniently slid into the bridge floor pit slot along the dovetail groove, certain limiting effect can be conveniently achieved on the embedded plate and the fixed side plate, and the embedded plate and the fixed side plate can be stably fixed in the bridge floor pit slot.

The application provides a bridge deck pavement method suitable for bridge repair, which comprises the following steps:

s1: firstly, traffic control is carried out on the periphery of a bridge deck pit slot needing repairing of a bridge deck, then scribing is carried out on the position, needing joint cutting or milling, of the bridge deck pit slot, the scribing is straight and parallel, then chiseling is carried out through a cutting machine or other tools so as to excavate the bridge deck pit slot to form a cuboid slot, then dovetail grooves are excavated on the peripheral slot wall of the bridge deck pit slot, and the size of each dovetail groove is matched with a dovetail block, so that the dovetail blocks can slide in the dovetail grooves;

s2: then drilling a plurality of first limiting holes at the bottom of the bridge deck pit slot by using drilling equipment, wherein the aperture of each first limiting hole is matched with an explosive bolt, so that the explosive bolt is just placed into the first limiting hole, then respectively drilling a plurality of reinforcing holes on the peripheral slot walls of the bridge deck pit slot, and the aperture of each reinforcing hole is matched with a reinforcing rod on a fixing mechanism, so that the reinforcing rods can extend into the reinforcing holes;

s3: then uniformly cleaning broken stones, waste residues and dust in the bridge deck pit slots and on the periphery of the bridge deck;

s4: then, a plurality of explosive bolts are placed into a first limiting hole in the bottom of the bridge floor pit slot, then the explosive bolts are fixedly installed in the first limiting hole, then an embedded plate with a dovetail block on the side surface and a first threaded rod on the surface slides down to the bottom of the bridge floor pit slot along the dovetail groove, so that the screw end on the explosive bolt penetrates through a second limiting hole in the embedded plate, then a second gasket is sleeved into the screw end on the explosive bolt, and a second nut is screwed into the screw end on the explosive bolt so as to fixedly install the embedded plate in the bottom of the bridge floor pit slot;

s41: pouring cement mortar in S4, wherein the cement mortar covers all the screw rod ends, the second gaskets and the second nuts on the pre-embedded plate and the explosion bolts, only the first threaded rod on the pre-embedded plate extends out of the cement mortar, then trowelling the cement mortar, forming a first concrete layer after the cement mortar is solidified, and then carrying out the next step;

s5: firstly, welding fixed side plates provided with dovetail blocks on the periphery of a fixed bottom plate by using welding equipment, welding adjacent fixed side plates with each other, welding a fixed steel column on a bearing surface of the fixed bottom plate, and penetrating the fixed side plates on one sides close to a fixed top plate through drilling equipment to obtain first grouting holes, wherein the fixed steel column can be welded after the fixed bottom plate and the fixed side plates are fixedly arranged in a bridge floor pit slot, and when the fixed side plates are welded on the fixed bottom plate, paying attention to placing the side of the fixed side plates provided with the dovetail blocks outwards, and then welding;

s6: then sliding the fixed bottom plate and the fixed side plate which are welded together into the bridge deck pit slot along the dovetail groove, so that the reinforcing rods on the reinforcing structure are matched with the reinforcing holes on the wall of the bridge deck pit slot to extend into the reinforcing holes, the first threaded rods on the pre-embedded plates penetrate through the first fixing holes on the fixed bottom plate, then sleeving the first gaskets on the first threaded rods, and then screwing the first nuts on the first threaded rods to fixedly install the fixed bottom plate and the fixed side plate into the bridge deck pit slot;

s7: then, penetrating the fixed top plate through drilling equipment to obtain a second grouting hole, then placing the fixed top plate provided with a second threaded rod on the fixed steel column in parallel, placing the second threaded rod on the fixed top plate towards a notch of the bridge deck pit slot, fixedly installing the fixed top plate on the fixed steel column through a fixing mechanism, and welding the fixed top plate at the position where the fixed top plate is abutted to the top of the fixed side plate through electric welding equipment;

s8: then, penetrating the fixed cover plate through drilling equipment to obtain a third grouting hole, enabling the third grouting hole in the fixed cover plate and the second grouting hole in the fixed top plate to correspond to each other so as to place the fixed cover plate on the fixed top plate, enabling a second threaded rod on the fixed top plate to penetrate through a connecting hole in the fixed cover plate, and then fixedly installing the fixed cover plate on the fixed top plate through a connecting mechanism;

s9: then pouring cement mortar along a third grouting hole in the fixed cover plate, wherein the cement mortar flows into the fixed base plate along the second grouting hole to fill a cavity formed by mutually matching the fixed base plate, the fixed side plate and the fixed top plate, wherein part of the cement mortar flows out of the fixed side plate along the first grouting hole to fill a gap between the fixed side plate and the wall of the bridge deck pit groove, finally, the cement mortar covers the fixed cover plate, then, the cement mortar is leveled, and after the cement mortar is solidified, a second concrete layer is formed;

s91: after the second concrete layer is solidified, coating a waterproof layer on the second concrete layer, and then carrying out the next step;

s10: then evenly lay one deck bituminous concrete layer on second concrete layer, then carry out the compaction with tamping equipment or machinery to with bituminous concrete layer and bridge floor parallel and level can, can put into use after curing bituminous concrete layer at last, remove traffic control, open traffic.

Through adopting above-mentioned technical scheme, not only can be convenient for play effectual restoration effect with the bridge floor pot hole, but also can reduce the circumstances that the damage appears once more in the bridge floor pot hole that restores to make the bridge floor can normal use.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the steel structure with the mutually matched fixed bottom plate, fixed side plates, fixed steel columns, fixed top plates and fixed cover plates, not only can an effective repairing effect be conveniently achieved on the bridge deck pit slot, but also the bridge deck has good strength and bearing effect, so that the condition that the repaired bridge deck pit slot is damaged again can be reduced, the bridge deck can be normally used, and further the waste of repairing cost can be reduced;

2. by arranging the structure that the explosive bolt, the second gasket and the second nut are matched with each other, the embedded plate can be conveniently and stably fixed at the bottom of the bridge deck pit groove, so that a better bearing effect can be conveniently achieved on the fixed bottom plate;

3. through setting up the structure that dovetail piece and dovetail mutually supported, not only can be convenient for slide the built-in board and fixed curb plate into bridge floor pit inslot along the dovetail, can be convenient for play certain spacing effect to built-in board and fixed curb plate moreover to make built-in board and fixed curb plate can stabilize and fix in bridge floor pit inslot.

Drawings

FIG. 1 is a schematic structural diagram of a bridge deck pavement structure suitable for bridge repair according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a reinforcing mechanism according to an embodiment of the present application.

Description of reference numerals: 1. a bridge deck pit; 11. a first limit hole; 12. reinforcing holes; 13. a dovetail groove; 2. fixing the bottom plate; 21. pre-burying a plate; 211. a second limiting hole; 22. a first threaded rod; 23. a first gasket; 24. a first nut; 25. a first fixing hole; 26. exploding the bolt; 27. a second gasket; 28. a second nut; 3. fixing the side plate; 31. a reinforcing rod; 32. a tension spring; 33. reinforcing the cavity; 34. a first grouting hole; 4. fixing the steel column; 41. a fixed block; 411. a threaded hole; 5. fixing a top plate; 51. a countersunk bolt; 52. fixing grooves; 53. a second fixing hole; 54. a second threaded rod; 55. a second grouting hole; 6. fixing the cover plate; 61. a third gasket; 62. a third nut; 63. connecting holes; 64. a third grouting hole; 7. a dovetail block; 8. a first concrete layer; 9. a second concrete layer; 92. a waterproof layer; 93. an asphalt concrete layer.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses bridge deck pavement structure suitable for bridge restoration. Referring to fig. 1, the bridge deck pavement structure includes bridge deck pit 1, bridge deck pit 1 is caused after the bridge floor receives serious destruction, if repair bridge deck pit 1 in time, can cause the condition that jolt or even the car that turns over to past vehicle appears in the bridge floor, thereby can influence the security of past vehicle, so in order to restore these some bridge deck pit 1, in this embodiment, be provided with the device of mating formation in this bridge deck pit 1, this device of mating formation not only can be convenient for play effectual repair effect to bridge deck pit 1, and make the bridge floor have fine intensity and bearing effect, thereby can reduce the condition that damages appear once more in the good bridge deck pit 1 of restoration, make the bridge floor can normal use, and then can reduce the waste of repair cost.

Specifically, referring to fig. 1, in the present embodiment, the paving device includes a fixed bottom plate 2, a fixed side plate 3, a fixed steel column 4, a fixed top plate 5, and a fixed cover plate 6. Wherein, this PMKD 2 passes through pre-buried mechanism fixed mounting at the tank bottom of this bridge floor pit groove 1, and this pre-buried subassembly includes pre-buried board 21, first threaded rod 22, first gasket 23, first nut 24 and spacing subassembly. Wherein, the pre-embedded plate 21 is fixedly arranged at the bottom of the bridge deck pit slot 1; this first threaded rod 22 is provided with many, the equal fixed connection of the one end of these a little first threaded rod 22 is on the one side that this pre-buried plate 21 deviates from this bridge floor pit groove 1 tank bottom, the other end of these a little first threaded rod 22 all runs through on one side of this fixed baseplate 2, and run through on this fixed baseplate 2 and have a plurality of first fixed orificess 25, these a little first fixed orificess 25 mutually support with these a little first threaded rod 22, when fixed baseplate 2 placed on pre-buried plate 21, first threaded rod 22 on this pre-buried plate 21 then can pass this fixed baseplate 2's first fixed orifices 25.

Meanwhile, a plurality of first gaskets 23 are arranged, and the first gaskets 23 are respectively sleeved on one ends of the first threaded rods 22 penetrating through the first fixing holes 25; the first nuts 24 are provided in plurality, the first nuts 24 are in threaded connection with the first threaded rods 22, and the first nuts 24 are screwed into the first threaded rods 22, so that the fixed base plate 2 can be conveniently and fixedly mounted on the embedded plate 21. This spacing subassembly sets up between the tank bottom of this pre-buried plate 21 and this bridge floor pit groove 1, and this spacing subassembly is used for fixing pre-buried plate 21 spacing for pre-buried plate 21 fixes the tank bottom at bridge floor pit groove 1 more firmly.

More specifically, referring to fig. 1, in this embodiment, the stop assembly includes an explosive bolt 26, a second washer 27, and a second nut 28. The number of the explosive bolts 26 is plural, the explosive bolts 26 are all fixedly mounted under the bottom of the bridge deck pit slot 1, a plurality of first limiting holes 11 are formed in the bottom of the bridge deck pit slot 1, and the first limiting holes 11 are matched with the explosive bolts 26, so that the explosive bolts 26 are fixedly mounted in the first limiting holes 11.

A plurality of second limiting holes 211 are arranged on the embedded plate 21 in a penetrating manner, and when the embedded plate 21 is abutted against the bottom of the bridge floor pit groove 1, the screw ends of the explosive bolts 26 penetrate through the second limiting holes 211; a plurality of second gaskets 27 are arranged, and the second gaskets 27 are respectively sleeved on the screw ends of the explosive bolts 26; the second nuts 28 are provided in plurality, and the second nuts 28 can be screwed into the screw ends of the explosive bolts 26 so as to stably fix the embedded plate 21 at the bottom of the bridge deck pit slot 1, so that a better bearing effect can be achieved on the fixed base plate 2.

Meanwhile, referring to fig. 1, in the present embodiment, a plurality of fixed side plates 3 are provided, the fixed side plates 3 are respectively fixedly enclosed on one side of the fixed bottom plate 2 away from the pre-buried plate 21, and the fixed side plates 3 are mutually welded adjacent to each other, when the fixed bottom plate 2 is installed on the pre-buried plate 21, the fixed side plates 3 are mutually abutted against the peripheral groove walls of the bridge deck pit slot 1; the fixed steel columns 4 are provided with a plurality of steel columns, one ends of the fixed steel columns 4 are fixedly welded on one side of the fixed bottom plate 2, which is far away from the embedded plate 21, and the other ends of the fixed steel columns 4 extend towards the notch of the bridge deck pit slot 1; the fixed top plate 5 is fixedly mounted on one end of the fixed steel columns 4 far away from the fixed bottom plate 2 through a fixing mechanism, and the peripheral edge of the fixed top plate 5 and one side of the fixed side plates 3 far away from the fixed bottom plate 2 are welded together.

Specifically, referring to fig. 1, in the present embodiment, the fixing mechanism includes a fixing block 41 and a countersunk head bolt 51. The fixing blocks 41 are provided in plural, the fixing blocks 41 are respectively and fixedly connected to one end of the fixing steel columns 4 far away from the fixing bottom plate 2, one side of the fixing top plate 5 facing the fixing bottom plate 2 is provided with a plurality of fixing grooves 52, the fixing grooves 52 are matched with the fixing blocks 41, and when the fixing top plate 5 is placed on the fixing steel columns 4, the fixing blocks 41 on the fixing steel columns 4 extend into the fixing grooves 52 of the fixing top plate 5.

A plurality of second fixing holes 53 are further formed through the fixing top plate 5, and the second fixing holes 53 are communicated with the fixing grooves 52; the countersunk head bolts 51 are provided with a plurality of countersunk head bolts 51, the countersunk head bolts 51 are matched with the second fixing holes 53, so that the countersunk head bolts 51 can extend into the fixing grooves 52 along the second fixing holes 53, a plurality of threaded holes 411 penetrate through the fixing blocks 41, the threaded holes 411 are in threaded connection with the countersunk head bolts 51, the countersunk head bolts 51 are screwed into the threaded holes 411 of the fixing blocks 41 along the second fixing holes 53, and the fixing top plate 5 can be conveniently and fixedly installed on the fixing steel column 4.

Meanwhile, referring to fig. 1, in this embodiment, the fixed cover plate 6 is disposed at the notch of the bridge deck pit 1, a bearing edge groove is opened at the notch of the bridge deck pit 1, the fixed cover plate 6 is placed on the bearing edge groove, the fixed cover plate 6 faces one side of the fixed bottom plate 2 and is abutted against the fixed top plate 5, and the fixed cover plate 6 is fixedly connected with the fixed top plate 5 through a connecting mechanism.

Specifically, referring to fig. 1, in the present embodiment, the connection mechanism includes the second threaded rod 54, a third washer 61, and a third nut 62. The second threaded rods 54 are provided with a plurality of second threaded rods 54, one ends of the second threaded rods 54 are fixedly connected to one side, away from the fixed steel column 4, of the fixed top plate 5, the other ends of the second threaded rods 54 penetrate through the fixed cover plate 6, a plurality of connecting holes 63 penetrate through the fixed cover plate 6, the connecting holes 63 are matched with the second threaded rods 54, and when the fixed cover plate 6 is abutted against the fixed top plate 5, the second threaded rods 54 can extend into the connecting holes 63.

A plurality of third gaskets 61 are arranged, and the third gaskets 61 are sleeved on the second threaded rods 54; the third nuts 62 are provided with a plurality of nuts, the third nuts 62 are in threaded connection with the second threaded rods 54, and the third nuts 62 are screwed into the second threaded rods 54, so that the fixed cover plate 6 can be conveniently and fixedly installed on the fixed top plate 5, and a better bearing effect can be achieved on the fixed cover plate 6.

Referring to fig. 1, in order to quickly place the pre-embedded plate 21 and the fixed side plate 3 in the bridge deck pit slot 1, in this embodiment, dovetail blocks 7 are fixedly connected to the peripheral side surfaces of the fixed side plate 3 and the peripheral side surfaces of the pre-embedded plate 21, dovetail grooves 13 matched with the dovetail blocks 7 are formed in the peripheral groove walls of the bridge deck pit slot 1, and by arranging a structure in which the dovetail blocks 7 and the dovetail grooves 13 are matched with each other, the pre-embedded plate 21 and the fixed side plate 3 can be conveniently slid into the bridge deck pit slot 1 along the dovetail grooves 13, and a certain limiting effect can be conveniently achieved on the pre-embedded plate 21 and the fixed side plate 3, so that the pre-embedded plate 21 and the fixed side plate 3 can be stably fixed in the bridge deck pit slot 1.

Referring to fig. 1 and 2, in order to better fixedly mount the fixed side plate 3 on the slot wall of the bridge deck pit slot 1, in the present embodiment, a reinforcing mechanism is disposed between the fixed side plate 3 and the slot wall of the bridge deck pit slot 1, and the reinforcing mechanism can facilitate further fixing and mounting the fixed side plate 3 on the slot wall of the bridge deck pit slot 1.

Specifically, referring to fig. 2, in the present embodiment, the reinforcement mechanism includes a reinforcement rod 31 and a telescopic spring 32. Wherein, a reinforcing cavity 33 is formed on one side of the fixed side plate 3 departing from the fixed steel column 4; the reinforcing rod 31 is slidably connected in the reinforcing cavity 33; one end of the extension spring 32 is fixedly connected to one end of the reinforcing rod 31, and the other end of the extension spring 32 is fixedly connected to the bottom of the reinforcing cavity 33; meanwhile, the slot wall of the bridge deck pit slot 1 is provided with a reinforcing hole 12, and the fixing hole is matched with the reinforcing rod 31, so that the reinforcing rod 31 can extend into the reinforcing hole 12.

When the fixed side plates 3 drive the reinforcing rods 31 to be installed in the bridge deck pit slots 1, the reinforcing rods 31 are extruded by the wall of the bridge deck pit slots 1, so that the reinforcing rods 31 can extrude the telescopic springs 32, and the telescopic springs 32 contract, so that the reinforcing rods 31 can be stretched into the reinforcing cavities 33; when the reinforcing cavities 33 and the reinforcing holes 12 correspond to each other, the reinforcing rods 31 can be rested against the extension springs 32, so that the reinforcing rods 31 extend into the reinforcing holes 12 along the reinforcing cavities 33, thereby better fixing the fixed side plates 3 in the deck pit slots 1.

The application provides a bridge deck pavement method suitable for bridge repair, which comprises the following steps:

s1: firstly, traffic control is carried out on the periphery of a bridge deck pit slot 1 needing repairing of a bridge deck, then scribing is carried out on the position, needing grooving or milling, of the bridge deck pit slot 1, the scribing is straight and parallel, then chiseling is carried out through a cutting machine or other tools so as to excavate the bridge deck pit slot 1 to form a cuboid slot, then dovetail grooves 13 are all excavated on the peripheral slot wall of the bridge deck pit slot 1, and the size of each dovetail groove 13 is matched with the corresponding dovetail block 7, so that the dovetail blocks 7 can slide in the dovetail grooves 13;

s2: then, drilling a plurality of first limiting holes 11 at the bottom of the bridge deck pit slot 1 by using drilling equipment, wherein the apertures of the first limiting holes 11 are matched with the explosive bolts 26, so that the explosive bolts 26 are just placed in the first limiting holes 11, then respectively drilling a plurality of reinforcing holes 12 on the peripheral slot walls of the bridge deck pit slot 1, and the apertures of the reinforcing holes 12 are matched with the reinforcing rods 31 on the fixing mechanism, so that the reinforcing rods 31 can extend into the reinforcing holes 12;

s3: then, uniformly cleaning broken stones, waste residues and dust in the bridge deck pit slot 1 and on the periphery of the bridge deck;

s4: then, a plurality of explosive bolts 26 are firstly placed into the first limiting holes 11 at the bottom of the bridge floor pit slot 1, then the explosive bolts 26 are fixedly installed in the first limiting holes 11, then the embedded plate 21 with the dovetail block 7 on the side surface and the first threaded rod 22 on the surface is slid down to the bottom of the bridge floor pit slot 1 along the dovetail grooves 13, so that the screw end of the explosive bolt 26 can penetrate through the second limiting holes 211 on the embedded plate 21, then the second gasket 27 is sleeved into the screw end of the explosive bolt 26, and the second nut 28 is screwed into the screw end of the explosive bolt 26, so that the embedded plate 21 can be fixedly installed in the bottom of the bridge floor pit slot 1;

s41: pouring cement mortar in S4, wherein the cement mortar covers all the screw ends of the pre-embedded plate 21 and the explosion bolt 26, the second gasket 27 and the second nut 28, only the first threaded rod 22 on the pre-embedded plate 21 extends out of the cement mortar, and then the cement mortar is trowelled to form a first concrete layer 8 after the cement mortar is solidified, so that the pre-embedded plate 21 can be further reinforced, and then the next step is carried out;

s5: firstly, welding the fixed side plates 3 provided with the dovetail blocks 7 on the periphery of the fixed bottom plate 2 by using electric welding equipment, welding the adjacent fixed side plates 3 mutually, then welding one end of a fixed steel column 4 on the bearing surface of the fixed bottom plate 2, and then penetrating the fixed side plates 3 on one side close to the fixed top plate 5 through drilling equipment to obtain first grouting holes 34, wherein the fixed steel column 4 can be welded after the fixed bottom plate 2 and the fixed side plates 3 are fixedly arranged in the bridge deck pit slot 1, and when the fixed side plates 3 are welded on the fixed bottom plate 2, attention needs to be paid to placing the side, provided with the dovetail blocks 7, of the fixed side plates 3 outwards, and then welding is carried out;

s6: then sliding the fixed bottom plate 2 and the fixed side plate 3 which are welded together into the bridge deck pit slot 1 along the dovetail groove 13, so that the reinforcing rods 31 on the reinforcing structure and the reinforcing holes 12 on the wall of the bridge deck pit slot 1 are matched with each other to extend into the reinforcing holes 12, the first threaded rods 22 on the embedded plates 21 penetrate through the first fixing holes 25 on the fixed bottom plate 2, then sleeving the first gaskets 23 on the first threaded rods 22, and screwing the first nuts 24 on the first threaded rods 22 to fixedly install the fixed bottom plate 2 and the fixed side plate 3 into the bridge deck pit slot 1;

s7: then, firstly, the fixed top plate 5 is penetrated through by drilling equipment to obtain a second grouting hole 55, then the fixed top plate 5 provided with a second threaded rod 54 is placed on the fixed steel column 4 in parallel, the second threaded rod 54 on the fixed top plate 5 is placed towards the notch of the bridge deck pit slot 1, and then the countersunk head bolt 51 is screwed into the threaded hole 411 of the fixed block 41 along the second fixed hole 53, so that the fixed top plate 5 can be conveniently and fixedly installed on the fixed steel column 4, and the joint of the fixed top plate 5 and the top of the fixed side plate 3 is welded by electric welding equipment;

s8: then, the fixed cover plate 6 is penetrated through by drilling equipment to obtain a third grouting hole 64, the third grouting hole 64 on the fixed cover plate 6 corresponds to the second grouting hole 55 on the fixed top plate 5 so as to place the fixed cover plate 6 on the fixed top plate 5, the second threaded rod 54 on the fixed top plate 5 penetrates through the connecting hole 63 on the fixed cover plate 6, then the third gasket 61 is sleeved on the second threaded rod 54, and the third nut 62 is screwed into the second threaded rod 54, so that the fixed cover plate 6 can be conveniently and fixedly installed on the fixed top plate 5;

s9: then, cement mortar is poured along a third grouting hole 64 in the fixed cover plate 6, and then flows into the fixed base plate 2 along the second grouting hole 55 to fill a cavity formed by mutually matching the fixed base plate 2, the fixed side plate 3 and the fixed top plate 5, wherein part of the cement mortar flows out of the fixed side plate 3 along the first grouting hole 34 to fill a gap between the fixed side plate 3 and the wall of the bridge deck pit slot 1, finally, the cement mortar is covered on the fixed cover plate 6, then, the cement mortar is leveled, and after the cement mortar is solidified, a second concrete layer 9 is formed, so that the bridge deck pit slot 1 can be further reinforced;

s91: after the second concrete layer 9 is solidified, a waterproof layer 92 is coated on the second concrete layer 9, and the waterproof layer 92 can play a waterproof effect on rainwater, so that the situation that rainwater permeates into the repaired bridge deck pit slot 1 to cause secondary damage to the bridge deck pit slot 1 can be reduced, and then the next step is carried out;

s10: then evenly lay a layer of asphalt concrete layer 93 on second concrete layer 9, then carry out the compaction with tamping equipment or machinery to with asphalt concrete layer 93 and bridge floor parallel and level can, can put into use after curing asphalt concrete layer 93 at last, remove traffic control, open traffic.

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 (10)

1. The utility model provides a bridge deck pavement structure suitable for bridge is restoreed, includes bridge floor pit slot (1), its characterized in that: a paving device for repairing the bridge deck pit slot (1) is arranged in the bridge deck pit slot (1), and comprises a fixed bottom plate (2) arranged at the bottom of the bridge deck pit slot (1) through a pre-embedding mechanism; a plurality of fixed side plates (3) which are arranged on the bearing surface of the fixed bottom plate (2) in a surrounding manner and are abutted with the wall of the bridge deck pit slot (1); a plurality of fixed steel columns (4) arranged on the bearing surface of the fixed bottom plate (2); a fixed top plate (5) arranged on the fixed steel column (4) through a fixing mechanism; and the fixed cover plate (6) is arranged at the top of the bridge deck pit slot (1) and on the fixed top plate (5) through a connecting mechanism, and a reinforcing mechanism which is arranged between the fixed side plate (3) and the side wall of the bridge deck pit slot (1) and used for reinforcing the fixed side plate (3) is arranged.

2. Bridge deck pavement structure suitable for bridge restoration according to claim 1, characterized in that: the pre-buried mechanism comprises a pre-buried plate (21) arranged at the bottom of the bridge deck pit slot (1); a plurality of first threaded rods (22) with one ends vertically arranged on one side of the embedded plate (21) departing from the bottom of the bridge deck pit slot (1) and the other ends penetrating through the fixed bottom plate (2); a first gasket (23) sleeved on the first threaded rod (22); a first nut (24) provided on the first washer (23) and screwed to the first threaded rod (22); and the limiting assembly is arranged between the embedded plate (21) and the bottom of the bridge deck pit groove (1) and used for fixing and limiting the embedded plate (21), a plurality of first fixing holes (25) penetrate through the fixing bottom plate (2), and one end, deviating from the embedded plate (21), of the first threaded rod (22) penetrates through the first fixing holes (25).

3. Bridge deck pavement structure suitable for bridge restoration according to claim 2, characterized in that: the limiting assembly comprises a plurality of explosive bolts (26) which penetrate through the embedded plate (21) and extend into the bottom of the bridge deck pit groove (1); a second washer (27) fitted over the explosive bolt (26); and set up in on the second gasket (27), with screw end threaded connection's on the explosion bolt (26) second nut (28), the tank bottom of bridge floor pit groove (1) seted up a plurality ofly, with the first spacing hole (11) of explosion bolt (26) matched with, run through on pre-buried plate (21) have a plurality ofly, with the spacing hole of screw end matched with (211) on the explosion bolt (26), first spacing hole (11) with the spacing hole of second (211) is corresponding.

4. Bridge deck pavement structure suitable for bridge restoration according to claim 1, characterized in that: the fixing mechanism comprises a fixing block (41) connected to one side, far away from the fixing bottom plate (2), of the fixing steel column (4); a plurality of threaded holes (411) penetrating through the fixed block (41); and the countersunk head bolts (51) are arranged in the fixed top plate (5) and are in threaded connection with the threaded holes (411), one side, facing the fixed bottom plate (2), of the fixed top plate (5) is provided with fixing grooves (52) matched with the fixing blocks (41), a plurality of second fixing holes (53) communicated with the fixing grooves (52) penetrate through the fixed top plate (5), the second fixing holes (53) are matched with the countersunk head bolts (51), and the countersunk head bolts (51) penetrate through the second fixing holes (53) and are in threaded connection with the threaded holes (411).

5. Bridge deck pavement structure suitable for bridge restoration according to claim 1, characterized in that: the reinforcing mechanism comprises a plurality of reinforcing rods (31), one end of each reinforcing rod is arranged on one side of the fixed side plate (3) facing the wall of the bridge deck pit (1) in a sliding mode, and the other end of each reinforcing rod extends into the wall of the bridge deck pit (1); and the telescopic springs (32) are arranged in the fixed side plates (3) and connected with the ends, far away from the wall of the bridge deck pit (1), of the reinforcing rods (31), a plurality of reinforcing cavities (33) matched with the reinforcing rods (31) and the telescopic springs (32) are formed in the fixed side plates (3), and a plurality of reinforcing holes (12) matched with the ends, far away from the reinforcing rods (31), of the telescopic springs (32) are formed in the wall of the bridge deck pit (1).

6. Bridge deck pavement structure suitable for bridge restoration according to claim 1, characterized in that: the connecting mechanism comprises a plurality of second threaded rods (54), one end of each second threaded rod is connected to one side, away from the fixed steel column (4), of the fixed top plate (5), and the other end of each second threaded rod penetrates through the fixed cover plate (6); a third gasket (61) sleeved on the second threaded rod (54); and the third nut (62) is arranged on the third gasket (61) and is in threaded connection with the second threaded rod (54), and a plurality of connecting holes (63) matched with the second threaded rod (54) penetrate through the fixed cover plate (6).

7. Bridge deck pavement structure suitable for bridge restoration according to claim 2, characterized in that: the side all around of fixed curb plate (3) with all be provided with dovetail block (7) on the side all around of pre-buried board (21), seted up on the cell wall all around of bridge floor pit groove (1), with dovetail block (7) matched with dovetail (13).

8. A bridge deck pavement method suitable for bridge restoration based on the bridge deck pavement structure suitable for bridge restoration according to any one of claims 1 to 7, comprising the steps of:

s1: firstly, traffic control is carried out on the periphery of a bridge deck pit slot (1) needing repairing of a bridge deck, then scribing is carried out on the position, needing grooving or milling, of the bridge deck pit slot (1), the scribing is straight and parallel, then chiseling is carried out through a cutting machine or other tools so as to excavate the bridge deck pit slot (1) to form a cuboid slot, then dovetail grooves (13) are excavated on the peripheral slot wall of the bridge deck pit slot (1), and the size of each dovetail groove (13) is matched with each dovetail block (7), so that each dovetail block (7) can slide in each dovetail groove (13);

s2: then drilling a plurality of first limiting holes (11) at the bottom of the bridge deck pit slot (1) by drilling equipment, wherein the hole diameters of the first limiting holes (11) are matched with the explosive bolts (26), so that the explosive bolts (26) are just placed in the first limiting holes (11), then respectively drilling a plurality of reinforcing holes (12) on the peripheral slot walls of the bridge deck pit slot (1), and the hole diameters of the reinforcing holes (12) are matched with the reinforcing rods (31) on the fixing mechanism, so that the reinforcing rods (31) can extend into the reinforcing holes (12);

s3: then, uniformly cleaning broken stones, waste residues and dust in the bridge deck pit slot (1) and on the periphery of the bridge deck;

s4: then, a plurality of explosive bolts (26) are firstly placed into a first limiting hole (11) at the bottom of the bridge deck pit slot (1), then the explosive bolts (26) are fixedly installed in the first limiting hole (11), then an embedded plate (21) with a dovetail block (7) arranged on the side surface and a first threaded rod (22) arranged on the surface slides down to the bottom of the bridge deck pit slot (1) along a dovetail groove (13), so that a screw end on the explosive bolt (26) penetrates through a second limiting hole (211) on the embedded plate (21), then a second gasket (27) is sleeved into the screw end on the explosive bolt (26), and a second nut (28) is turned into the screw end on the explosive bolt (26) to fixedly install the embedded plate (21) in the bottom of the bridge deck pit slot (1);

s5: firstly, welding fixed side plates (3) provided with dovetail blocks (7) on the periphery of a fixed bottom plate (2) by using electric welding equipment, welding the adjacent fixed side plates (3) mutually, then welding fixed steel columns (4) on a bearing surface of the fixed bottom plate (2), then penetrating through one side of each fixed side plate (3) close to a fixed top plate (5) through drilling equipment to obtain a first grouting hole (34), wherein the fixed steel columns (4) can be welded after the fixed bottom plate (2) and the fixed side plates (3) are fixedly arranged on a bridge deck pit slot (1), and when the fixed side plates (3) are welded on the fixed bottom plate (2), attention needs to be paid to placing the side, provided with the dovetail blocks (7), of each fixed side plate (3) outwards, and then welding is carried out;

s6: then, sliding the fixed bottom plate (2) and the fixed side plate (3) which are welded together into the bridge deck pit slot (1) along the dovetail groove (13), enabling the reinforcing rods (31) on the reinforcing structure to be matched with the reinforcing holes (12) on the wall of the bridge deck pit slot (1) to extend into the reinforcing holes (12), enabling the first threaded rods (22) on the embedded plates (21) to penetrate through the first fixing holes (25) on the fixed bottom plate (2), then sleeving the first gaskets (23) on the first threaded rods (22), and turning the first nuts (24) into the first threaded rods (22) to fixedly install the fixed bottom plate (2) and the fixed side plate (3) into the bridge deck pit slot (1);

s7: then penetrating the fixed top plate (5) through a drilling device to obtain a second grouting hole (55), then placing the fixed top plate (5) provided with a second threaded rod (54) on the fixed steel column (4) in parallel, placing the second threaded rod (54) on the fixed top plate (5) towards the notch of the bridge deck pit slot (1), then fixedly installing the fixed top plate (5) on the fixed steel column (4) through a fixing mechanism, and welding the fixed top plate (5) at the position where the top of the fixed side plate (3) abuts against the top of the fixed side plate (5) through an electric welding device;

s8: then, penetrating the fixed cover plate (6) through a drilling device to obtain a third grouting hole (64), enabling the third grouting hole (64) in the fixed cover plate (6) to correspond to the second grouting hole (55) in the fixed top plate (5) so as to place the fixed cover plate (6) on the fixed top plate (5), enabling a second threaded rod (54) in the fixed top plate (5) to penetrate through a connecting hole (63) in the fixed cover plate (6), and fixedly installing the fixed cover plate (6) on the fixed top plate (5) through a connecting mechanism;

s9: then pouring cement mortar along a third grouting hole (64) in the fixed cover plate (6), wherein the cement mortar flows into the fixed base plate (2) along the second grouting hole (55) to fill a cavity formed by mutually matching the fixed base plate (2), the fixed side plate (3) and the fixed top plate (5), wherein part of the cement mortar flows out of the fixed side plate (3) along the first grouting hole (34) to fill a gap between the fixed side plate (3) and the wall of the bridge deck pit groove (1), finally, the cement mortar covers the fixed cover plate (6), is leveled, and is solidified to form a second concrete layer (9);

s10: then evenly lay a layer of asphalt concrete layer (93) on the second concrete layer (9), then carry out the compaction with tamping equipment or machinery to with the asphalt concrete layer (93) with the bridge floor parallel and level can, can put into use after curing asphalt concrete layer (93) at last, remove traffic control, open traffic.

9. A method of paving a bridge deck suitable for bridge restoration according to claim 8, further comprising step S41 in step S4;

s41: and S4, pouring cement mortar, wherein the cement mortar completely covers the screw ends of the pre-embedded plate (21) and the explosion bolt (26), the second gasket (27) and the second nut (28), only the first threaded rod (22) on the pre-embedded plate (21) extends out of the cement mortar, then the cement mortar is trowelled, after the cement mortar is solidified, a first concrete layer (8) is formed, and then the next step is carried out.

10. A method of paving a bridge deck suitable for bridge restoration according to claim 8, further comprising step S91 in step S9;

s91: and after the second concrete layer (9) is solidified, coating a waterproof layer (92) on the second concrete layer (9), and then carrying out the next step.

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