CN215482315U

CN215482315U - Precast concrete bridge deck

Info

Publication number: CN215482315U
Application number: CN202121356796.6U
Authority: CN
Inventors: 仲兴国; 温学超
Original assignee: Jiangsu Huatai Road And Bridge Construction Group Co ltd
Current assignee: Jiangsu Huatai Road And Bridge Construction Group Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2022-01-11
Anticipated expiration: 2031-06-17

Abstract

The utility model relates to a precast concrete bridge deck relates to bridge engineering construction's field, and it includes a plurality of panel units, be provided with connection structure on the panel unit, two adjacent panel units pass through connection structure interconnect, connection structure includes first mounting panel, second mounting panel and a plurality of connecting plate, first mounting panel and second mounting panel are fixed on the relative both sides wall of panel unit, one side that panel unit was kept away from to the second mounting panel is fixed with the arris strip, be formed with the spread groove with the looks adaptation of connecting plate between arris strip, second mounting panel and the panel unit, it is a plurality of the connecting plate is fixed on first mounting panel. This application realizes that the high-speed joint of two panel units aligns, improves the convenience of panel unit connection, and then effectively improves the efficiency of construction.

Description

Precast concrete bridge deck

Technical Field

The application relates to the field of bridge engineering construction, in particular to a precast concrete bridge deck.

Background

The bridge deck is an important structure for directly bearing load of a bridge, and is usually a reinforced concrete slab, and a transverse prestress can be applied to a bridge deck with a large span to form a prestressed concrete slab. With the vigorous development of large-span bridge engineering construction, the prestressed concrete bridge deck construction technology is widely applied.

The related Chinese utility model patent with publication number CN205171344U discloses a precast concrete deck structure for a flexible suspension bridge, which comprises a plurality of precast concrete deck plates arranged along a longitudinal bridge, wherein the precast concrete deck plates are all supported on two steel longitudinal beams of the flexible suspension bridge, and the two steel longitudinal beams are I-shaped steel; a reinforcing mesh is arranged in each precast concrete bridge deck, and a support is padded between each reinforcing mesh and each longitudinal steel beam; all carry out the fastening connection through a plate girder connection structure between every precast concrete decking and the twice steel longeron, plate girder connection structure about including two sets of connecting bolt with control two connection steel sheet, two sets of connecting bolt are pre-buried respectively in the lower part left and right sides of precast concrete decking, two connection steel sheet are located the twice steel longeron outside respectively and the two all is located the last flange below of steel longeron.

With respect to the related art described above, the inventors consider that the connection between the related precast concrete panels is inconvenient to position, affecting the construction efficiency.

SUMMERY OF THE UTILITY MODEL

In order to improve and connect the location inconvenient between the precast concrete panel, influence the problem of efficiency of construction, this application provides a precast concrete bridge panel.

The application provides a precast concrete bridge deck adopts following technical scheme:

the utility model provides a precast concrete bridge deck, includes a plurality of panel units, be provided with connection structure on the panel unit, two adjacent panel units pass through connection structure interconnect, connection structure includes first mounting panel, second mounting panel and a plurality of connecting plate, first mounting panel and second mounting panel are fixed on the both sides wall that the panel unit is relative, one side that the panel unit was kept away from to the second mounting panel is fixed with the arris strip, be formed with the spread groove with the looks adaptation of connecting plate between arris strip, second mounting panel and the panel unit, it is a plurality of the connecting plate is fixed on first mounting panel.

Through adopting above-mentioned technical scheme, precast concrete bridge panel is assembled through coupling mechanism by a plurality of panel units and is formed, when connecting between two panel units, aim at the connecting plate of another panel unit with the spread groove of one of them panel unit for each connecting plate splices in corresponding spread groove, thereby accomplishes the high-speed joint of two panel units and aligns, later, carries out the construction of all the other bridge surface courses on the precast concrete panel that assembles, effectively improves the efficiency of construction.

Optionally, a plurality of limiting parts are arranged in the connecting groove, each limiting part includes two limiting baffles, each limiting baffle is fixed on the second mounting plate, and an inserting groove for inserting the connecting plate is formed between the two limiting baffles.

Through adopting above-mentioned technical scheme, when two panel units are connected, each connecting plate is inserted and is established in the inserting groove that two limit baffle formed, improves two panel unit connection's positioning accuracy, plays the limiting displacement to connecting plate along connecting groove length direction between two limit baffle for the difficult dislocation slip that takes place between the panel unit effectively improves the stability of connecting between the panel unit.

Optionally, the cross-sectional shape of the connecting groove is trapezoidal, and the groove width of the connecting groove is gradually increased in a direction toward the notch of the connecting groove.

Through adopting above-mentioned technical scheme, the groove width of spread groove increases progressively in the direction towards the spread groove notch and sets up, makes things convenient for each connecting plate to peg graft in the spread groove more, improves the convenience that the panel unit connects.

Optionally, the connecting structure further comprises a connecting piece, the connecting piece comprises a connecting rod and a connecting nut matched with the connecting rod, the connecting nut is in threaded connection with the connecting rod, each connecting plate is provided with a first connecting hole for the connecting rod to penetrate through, and each limiting baffle is provided with a second connecting hole for the connecting rod to penetrate through.

Through adopting above-mentioned technical scheme, after each connecting plate inserted the inserting groove, penetrated the connecting rod from each limit baffle and connecting plate to lock nut at the connecting rod both ends are rotatory, thereby with relative fixation between connecting plate and the limit baffle, make then relative fixation between two panel units, thereby improve the stability of connecting between the panel unit.

Optionally, at least two positioning blocks are fixed on the end face, away from the second mounting plate, of the rib, positioning openings matched with the positioning blocks are formed in the first mounting plate, and the positioning openings penetrate through the first mounting plate.

Through adopting above-mentioned technical scheme, when two panel units were installed, through lining up each locating piece and location mouth each other, realize the quick alignment between each connecting plate and the inserting groove then, the connection location between the panel unit of being convenient for improves panel unit's connection convenience.

Optionally, the terminal surface laminating that the second mounting panel was kept away from to the arris strip is fixed with first vertical shock-absorbing strip, the connecting plate is kept away from and is laminated fixed vertical shock-absorbing strip of second on the first mounting panel lateral wall.

Through adopting above-mentioned technical scheme, improve the anti-seismic performance of concrete bridge deck slab in vertical side for the difficult condition such as fracture that appears when the concrete bridge deck slab bears alternating load for a long time.

Optionally, two opposite inner walls in the insertion groove are provided with transverse damping pieces, and the transverse damping pieces are attached and fixed to the corresponding limiting baffle plates.

By adopting the technical scheme, the anti-seismic performance of the concrete bridge deck in the horizontal direction is improved, and the anti-seismic and anti-cracking performance of the concrete bridge deck is further guaranteed.

Optionally, one surface, far away from the panel unit, of the first mounting plate is fixedly provided with a plurality of screw rods, each screw rod is connected with a locking nut in a threaded manner, and a reinforcing groove for embedding the screw rods and the locking nuts is formed in the side wall, close to the connecting groove, of the panel unit.

Through adopting above-mentioned technical scheme, when two panel units are connected, each screw rod and lock nut scarf joint are in the strengthening groove to through the lock nut of screwing, make lock nut and strengthening groove's inner wall support tightly, thereby further strengthen the fastness of connecting between the panel unit, make the concrete panel have better tensile property.

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

1. by arranging the connecting structure, the two panel units are quickly connected and aligned, the convenience of connecting the panel units is improved, and the construction efficiency is further effectively improved;

2. by arranging the limiting piece, the panel units are not easy to slide in a staggered manner, and the connection stability between the panel units is effectively improved;

3. through setting up the locating piece, realize the quick alignment between each connecting plate and the inserting groove, the connection location between the panel unit of being convenient for improves the connection convenience of panel unit.

Drawings

Fig. 1 is a schematic view of the overall structure of a panel unit according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram for embodying the first mounting plate according to the embodiment of the present application.

Fig. 3 is a partial structural schematic diagram for embodying a connection structure of two panel units according to an embodiment of the present application.

Description of reference numerals: 1. a panel unit; 11. a reinforcing groove; 2. a connecting structure; 21. a first mounting plate; 211. positioning the opening; 212. a screw; 213. locking the nut; 22. a second mounting plate; 221. connecting grooves; 222. inserting grooves; 23. a connecting plate; 231. a first connection hole; 24. a limit baffle; 241. a second connection hole; 25. positioning blocks; 26. a first longitudinal shock strip; 27. a second longitudinal shock strip; 28. a transverse damping sheet; 29. a rib; 3. a connecting member; 31. a connecting rod; 32. and connecting a nut.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses precast concrete bridge deck. Referring to fig. 1, a precast concrete bridge deck includes a plurality of deck units 1, and a connection structure 2 is provided on the deck units 1, and two adjacent deck units 1 are connected and fixed to each other through the connection structure 2.

Referring to fig. 1 and 2, the connection structure 2 includes a first mounting plate 21, a second mounting plate 22 and a plurality of connecting plates 23, the first mounting plate 21 and the second mounting plate 22 are integrally formed on two opposite side walls of the panel unit 1, and the first mounting plate 21 and the second mounting plate 22 are arranged in a staggered manner in the height direction, outer side walls of the first mounting plate 21 and the second mounting plate 22 are flush with outer side walls of the panel unit 1, the plurality of connecting plates 23 are fixed on the first mounting plate 21, and the plurality of connecting plates 23 are evenly arranged along the length direction of the first mounting plate 21.

Referring to fig. 1 and 2, a rib 29 is integrally formed on a side of the second mounting plate 22 away from the panel unit 1, and a connecting groove 221 matched with the connecting plate 23 is formed among the rib 29, the second mounting plate 22 and the panel unit 1. When the two panel units 1 are connected, the connection groove 221 of one panel unit 1 and each connection plate 23 of the other panel unit 1 are fitted to each other. The cross-sectional shape of the coupling groove 221 is trapezoidal, and the groove width of the coupling groove 221 increases in a direction toward the notch of the coupling groove 221, facilitating the quick coupling alignment of the two panel units 1.

Referring to fig. 1 and 3, a plurality of limiting members are disposed in the connecting groove 221, each limiting member includes two limiting baffles 24, each limiting baffle 24 is vertically fixed on an inner wall of the connecting groove 221, an insertion groove 222 is formed between the two limiting baffles 24, and the insertion groove 222 is adapted to the connecting plate 23. When two panel units 1 are connected, each connecting plate 23 is inserted into the insertion groove 222, and the limit baffle 24 not only plays a role in installation and positioning, but also improves the stability of connection between the panel units 1. The side of the two limit baffles 24 close to each other is fixed with a transverse damping sheet 28, and in this embodiment, the transverse damping sheet 28 is made of rubber. The limiting baffle plate 24 is abutted against the corresponding connecting plate 23 through the transverse damping sheet 28, so that the assembled concrete bridge deck has better anti-seismic performance in the horizontal direction, and the connection stability between the panel units 1 is guaranteed.

Referring to fig. 1 and 3, at least two positioning blocks 25 are fixed on the end plate of the rib 29 away from the second mounting plate 22, and in the present embodiment, two positioning blocks 25 are provided. The first mounting plate 21 is provided with positioning holes 211 matched with the positioning blocks 25, and the positioning holes 211 penetrate through the first mounting plate 21. When two panel units 1 are installed, the positioning blocks 25 and the positioning openings 211 are aligned relatively, so that the connection plates 23 and the insertion grooves 222 are aligned quickly, and the connection convenience of the panel units 1 is improved.

Referring to fig. 2 and 3, the end face that second mounting panel 22 was kept away from to ribbing 29 is laminated and is fixed with first vertical shock attenuation strip 26, the laminating is fixed with the vertical shock attenuation strip 27 of second on the lateral wall that first mounting panel 21 was kept away from to connecting plate 23, first vertical shock attenuation strip 26 and the vertical shock attenuation strip 27 of second all adopt rubber to make, when two panel unit 1 connect fixedly, ribbing 29 is through first vertical shock attenuation strip 26 and the butt of first mounting panel 21, connecting plate 23 is through the butt of the vertical shock attenuation strip 27 of second and second mounting panel 22, improve the anti-seismic performance of concrete bridge panel in vertical side, and improve the structural stability of panel unit 1's junction.

Referring to fig. 1 and 3, the connection structure 2 further includes a connection rod 31 and a connection nut 32 adapted to the connection rod 31, in this embodiment, the connection rod 31 is provided with two, two first connection holes 231 for the connection rod 31 to penetrate are provided on each connection plate 23, and two second connection holes 241 for the connection rod 31 to penetrate are provided on each limit baffle 24. After the connection plate 23 is inserted into the insertion groove 222, the first connection holes 231 and the corresponding second connection holes 241 are coaxial, the connection rod 31 penetrates through the first connection holes 231 and the second connection holes 241 from the limiting baffles and the connection plate 23, and the locking nuts 213 are screwed at both ends of the connection rod 31, so that the two panel units 1 are relatively fixed, and the connection stability between the panel units 1 is improved.

The implementation principle of this application embodiment precast concrete decking does: when the two panel units 1 are connected, the connecting groove 221 of one panel unit 1 is aligned with the connecting plate 23 of the other panel unit 1, and the positioning block 25 and the positioning opening 211 are aligned, so that each connecting plate 23 is quickly aligned with the inserting groove 222. Then, the connection plates 23 are inserted into the insertion grooves 222, the connection rods 31 are inserted into the limit stoppers 24 and the connection plates 23, and the locking nuts 213 are screwed, thereby fixing the two panel units 1 to each other. And then, the construction of other bridge surface layers is carried out on the assembled precast concrete panels, so that the construction efficiency is effectively improved.

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

1. A precast concrete deck slab characterized in that: including a plurality of panel units (1), be provided with connection structure (2) on panel unit (1), adjacent two panel units (1) are through connection structure (2) interconnect, connection structure (2) include first mounting panel (21), second mounting panel (22) and a plurality of connecting plate (23), first mounting panel (21) and second mounting panel (22) are fixed on the both sides wall that panel unit (1) is relative, one side that panel unit (1) was kept away from in second mounting panel (22) is fixed with arris strip (29), be formed with between arris strip (29), second mounting panel (22) and panel unit (1) spread groove (221) with connecting plate (23) looks adaptation, a plurality of connecting plate (23) are fixed on first mounting panel (21).

2. A precast concrete bridge deck according to claim 1, wherein: a plurality of limiting parts are arranged in the connecting groove (221), each limiting part comprises two limiting baffle plates (24), each limiting baffle plate (24) is fixed on the second mounting plate (22), and an inserting groove (222) for inserting the connecting plate (23) is formed between the two limiting baffle plates (24).

3. A precast concrete bridge deck according to claim 2, wherein: the cross section of the connecting groove (221) is trapezoidal, and the groove width of the connecting groove (221) is gradually increased in the direction towards the groove opening of the connecting groove (221).

4. A precast concrete bridge deck according to claim 2, wherein: connection structure (2) still include connecting piece (3), connecting piece (3) include the connecting rod and with connecting nut (32) of connecting rod looks adaptation, coupling nut (32) and connecting rod (31) threaded connection, each set up first connecting hole (231) that supply connecting rod (31) to penetrate on connecting plate (23), each set up second connecting hole (241) that supply connecting rod (31) to penetrate on limit baffle (24).

5. A precast concrete bridge deck according to claim 2, wherein: be fixed with two at least locating pieces (25) on the terminal surface that second mounting panel (22) was kept away from in rib (29), set up on first mounting panel (21) with location mouth (211) of each locating piece (25) looks adaptation, location mouth (211) run through first mounting panel (21).

6. A precast concrete bridge deck according to claim 2, wherein: the terminal surface laminating that second mounting panel (22) was kept away from in arris strip (29) is fixed with first vertical shock-absorbing strip (26), laminating fixed second vertical shock-absorbing strip (27) on first mounting panel (21) lateral wall is kept away from in connecting plate (23).

7. A precast concrete bridge deck according to claim 6, wherein: two opposite inner walls in the insertion groove (222) are provided with transverse damping sheets (28), and the transverse damping sheets (28) are attached and fixed on the corresponding limit baffle (24).

8. A precast concrete bridge deck according to claim 1, wherein: the panel unit is characterized in that one surface, far away from the panel unit (1), of the first mounting plate (21) is fixedly provided with a plurality of screw rods (212), each screw rod (212) is connected with a locking nut (213) in a threaded mode, and a reinforcing groove (11) for embedding the screw rods (212) and the locking nuts (213) is formed in the side wall, close to the connecting groove (221), of the panel unit (1).