Concrete bridge deck slab structure

Abstract

The utility model relates to the technical field of bridge deck slab connecting piece structures, in particular to a concrete bridge deck slab structure. According to the technical scheme, the bridge deck comprises a first concrete bridge deck body and a second concrete bridge deck body, and the ends, close to each other, of the first concrete bridge deck body and the second concrete bridge deck body are provided with pouring connecting grooves and connecting pieces correspondingly; the ends, away from each other, of the first concrete bridge deck and the second concrete bridge deck are provided with connecting pieces and pouring connecting grooves correspondingly. During connection construction, the multiple sets of reinforcing ribs are inserted into the multiple sets of through openings correspondingly, concrete grout can be injected into the pouring connection grooves when the concrete bridge deck slabs are connected, the concrete grout enters the inner grooves in the inner sides of the through openings through the pouring openings, and the reinforcing ribs are more firmly fixed into the inner grooves; the edge locking pieces and the edge groove assemblies are arranged at the two ends of the adjacent first concrete bridge deck slab and the second concrete bridge deck slab, so that the concrete bridge deck slabs can be effectively prevented from cracking to generate gaps.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge deck slab structure technical field especially relates to concrete bridge deck slab structure. BACKGROUND

[0002] The concrete bridge deck slab field construction needs to consume very long time. The combined beam prefabricated concrete bridge deck slab construction is convenient and fast, and the bridge deck slab is prefabricated in advance, carries out the assembly construction in the field, can save the field work load, and the construction is fast and reliable. After the bridge deck slab prefabrication and installation are completed, only a small amount of connecting gap and connecting hole groove need to be poured to connect the steel beam and the concrete bridge deck slab together to form the combined beam.

[0003] The prefabricated concrete bridge deck slab needs to use the pouring joint structure when splicing, so that the two adjacent concrete bridge deck slabs can be fixed together. The existing pouring connecting piece is fixed by the reinforcing rib and the splicing groove, and then the two adjacent concrete bridge deck slabs are spliced and fixed together through secondary concrete pouring, which is convenient for field construction and installation.

[0004] The existing concrete bridge deck slab connecting piece still has certain disadvantages in the subsequent process. Cracks are prone to occur at the connecting part, and the compression resistance is not ideal when used in a high-pressure environment. Once a problem occurs, the repair will be a large project. In view of this, the concrete bridge deck slab structure is proposed. UTILITY MODEL CONTENT

[0005] The purpose of the present application is to solve the technical problems pointed out in the background art, and to propose a concrete bridge deck slab structure.

[0006] The technical scheme of the present application is a concrete bridge deck slab structure, which comprises a first concrete bridge deck slab and a second concrete bridge deck slab. The first concrete bridge deck slab and the second concrete bridge deck slab are provided with pouring connecting grooves and connecting pieces at one end close to each other, and the first concrete bridge deck slab and the second concrete bridge deck slab are provided with connecting pieces and pouring connecting grooves at one end away from each other, for positioning and splicing a plurality of groups of first concrete bridge deck slabs and second concrete bridge deck slabs.

[0007] The two adjacent first concrete bridge deck slabs and second concrete bridge deck slabs are locked by a group of edge locking pieces.

[0008] The two sides of the first concrete bridge deck slab and the second concrete bridge deck slab are provided with edge groove assemblies at one end close to each other. The splicing width of the two edge groove assemblies on the same side is the same as the width of the edge locking piece.

[0009] Preferably, the edge groove assembly comprises a side wing groove opened on the side of the first or second concrete bridge deck slab, both side walls of the inner end of the side wing groove are provided with limiting grooves, the edge locking member comprises a right-angle U-shaped clamping rod, both ends of the right-angle U-shaped clamping rod are slidably connected with a pair of limiting blocks, and the corresponding two limiting blocks are respectively inserted into the corresponding two limiting grooves under the extrusion of the cast concrete.

[0010] Preferably, the depth of the limiting groove is half of the width of the limiting block.

[0011] The middle part of both ends of the right-angle U-shaped clamping rod is provided with a grout inlet, and the corner of one side of the two limiting blocks close to each other and close to the grout inlet is an arc part, facilitating the inflow of the concrete.

[0012] Preferably, a plurality of through holes are opened in the pouring connecting groove, one end of the connecting member is connected with a plurality of groups of reinforcing ribs, the corresponding reinforcing rib can be inserted into the corresponding through hole, and the inner side of the through hole is provided with an inner groove larger than the hole diameter of the through hole.

[0013] One end of the through hole is provided with a pouring inlet, and the pouring inlet is communicated with the inner groove.

[0014] Preferably, the connecting member comprises an embedded block connected to the side of the second concrete bridge deck slab close to the pouring connecting groove, the reinforcing rib is embedded on the embedded block, the upper and lower end faces of the embedded block are provided with longitudinal grooves, the outer surface of the embedded block is provided with a flat groove, the side surface of the embedded block is provided with a plurality of through holes communicated with the two longitudinal grooves, and the both ends of the embedded block are provided with edge groove openings.

[0015] One side of the pouring connecting groove is provided with an injection inlet, and the pouring connecting groove is injected with concrete through the injection inlet.

[0016] Preferably, the edge groove assembly further comprises a grout distribution port communicated with the side wing groove, and the grout distribution port penetrates the pouring connecting groove or the connecting member.

[0017] Preferably, the depth of the outer side of the side wing groove is greater than the depth of the outer side of the right-angle U-shaped clamping rod, when both ends of the right-angle U-shaped clamping rod are in contact with the inner wall of the corner of the side wing groove, there is a filling cavity between the inner wall of the right-angle U-shaped clamping rod and the inner wall of the side wing groove.

[0018] Preferably, the inner wall of both ends of the right-angle U-shaped clamping rod is provided with a grout guide groove, the grout guide groove is communicated with the grout inlet when the two limiting blocks are spread apart, and the grout inlet is communicated with the grout distribution port.

[0019] Compared with the prior art, the application has the following beneficial technical effects:

[0020] The application sets the pouring connecting groove and the connecting piece respectively at one end close to the second concrete bridge deck slab of the first concrete bridge deck slab, after the connecting piece is inserted into the pouring connecting groove, several groups of reinforcing bars are inserted into several groups of through ports, the concrete bridge deck slab can inject the concrete slurry into the pouring connecting groove when connecting, the concrete slurry enters the inner groove on the inner side of the through port through the pouring inlet, so that the reinforcing bar is more firmly fixed in the inner groove, and the stability of the connection is improved. The edge locking piece and the edge groove assembly are arranged at two ends of the adjacent first concrete bridge deck slab and the second concrete bridge deck slab, can play the role of horizontal positioning on the second pouring connected first concrete bridge deck slab and the second concrete bridge deck slab, can effectively prevent the concrete bridge deck slab from cracking and producing gaps, and prolong the service life of the bridge deck slab. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a perspective view of the concrete bridge deck slab structure;

[0022] Figure 2 is a structural schematic view of the second concrete bridge deck slab and the connecting piece in the application;

[0023] Figure 3 is a partial sectional view of Figure 2 ;

[0024] Figure 4 is an enlarged structural schematic view of A in Figure 3 ;

[0025] Figure 5 is a structural schematic view of the first concrete bridge deck slab and the pouring connecting groove in the application;

[0026] Figure 6 is a partial sectional view of Figure 5 ;

[0027] Figure 7 is a structural schematic view of the edge locking piece in the application;

[0028] Figure 8 is a partial sectional view of Figure 7 .

[0029] Reference signs: 101, first concrete bridge deck slab; 102, second concrete bridge deck slab; 201, pouring connecting groove; 202, connecting piece;

[0030] 2021, embedded block; 2022, longitudinal groove; 2023, through port; 2024, edge groove port; 2025, flat groove;

[0031] 3, reinforcing bar; 4, through port; 5, pouring inlet;

[0032] 6, locking member; 601, right-angle U-shaped clamping rod; 602, limiting block; 603, arc-shaped part; 604, slurry inlet; 605, slurry guide groove;

[0033] 7, edge groove assembly; 701, side wing groove; 702, limiting groove; 703, slurry distribution port;

[0034] 8, injection port. DETAILED DESCRIPTION

[0035] The technical solutions of the present application will be further described in detail below in combination with the drawings and specific embodiments.

[0036] The components of the embodiments of the present application generally described and shown in the accompanying drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but only represents selected embodiments of the present application.

[0037] Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present application.

[0038] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0039] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0040] EMBODIMENT

[0041] As Figures 1-8As shown, the concrete bridge deck structure provided in the present application comprises a first concrete bridge deck 101 and a second concrete bridge deck 102, and the first concrete bridge deck 101 and the second concrete bridge deck 102 are respectively provided with a pouring connecting groove 201 and a connecting piece 202 at one end close to each other, and the first concrete bridge deck 101 and the second concrete bridge deck 102 are respectively provided with a connecting piece 202 and a pouring connecting groove 201 at one end away from each other, for positioning and splicing a plurality of groups of the first concrete bridge deck 101 and the second concrete bridge deck 102, so as to integrate the plurality of groups of the first concrete bridge deck 101 and the second concrete bridge deck 102. In order to more clearly illustrate the specific structure of the connecting piece 202 and the pouring connecting groove 201, the pouring connecting groove 201 and the connecting piece 202 at one end close to each other of the first concrete bridge deck 101 and the second concrete bridge deck 102 are described in detail.

[0042] Further, the two adjacent first concrete bridge decks 101 and second concrete bridge decks 102 are locked by a group of edge locking pieces 6, and the edge locking pieces 6 play a role of horizontal protection for the first concrete bridge deck 101 and the second concrete bridge deck 102, so as to avoid cracking under long-term stress. The two sides of the first concrete bridge deck 101 and the second concrete bridge deck 102 are respectively provided with an edge groove assembly 7 at one end close to each other; the splicing width of the two edge groove assemblies 7 on the same side is the same as the width of the edge locking piece 6, so that the edge locking piece 6 is inserted into the two edge groove assemblies 7 on the same side to form a complete splicing whole.

[0043] Specifically, the edge groove assembly 7 comprises a side wing groove 701 provided on the side of the first concrete bridge deck 101 or the second concrete bridge deck 102, and a limiting groove 702 is provided on both side walls of the inner end of the side wing groove 701. The edge locking piece 6 comprises a right-angle U-shaped clamping rod 601, and a pair of limiting blocks 602 are slidably connected to both ends of the right-angle U-shaped clamping rod 601. Corresponding to the two limiting blocks 602, the two limiting blocks 602 are respectively inserted into the corresponding two limiting grooves 702 under the extrusion of the poured concrete (the limiting blocks 602 are located on the inner side of the end of the right-angle U-shaped clamping rod 601 before connection, and the outer end surface of the limiting blocks 602 is flush with the outer end surface of the right-angle U-shaped clamping rod 601, so that the limiting blocks 602 can be smoothly inserted into the inner side of the right-angle part of the side wing groove 701). The depth of the limiting groove 702 is half the width of the limiting block 602, so as to prevent the limiting block 602 from separating from the right-angle U-shaped clamping rod 601, and to maintain sufficient stress area of the limiting block 602 and the right-angle U-shaped clamping rod 601. After the two ends of the right-angle U-shaped clamping rod 601 are completely inserted into the two limiting grooves 702, the outer end surface of the right-angle U-shaped clamping rod 601 is flush with the outer end surface of the first concrete bridge deck 101 and the second concrete bridge deck 102, so as to maintain a smooth connection interface.

[0044] The two ends of the straight U-shaped clamping rod 601 are provided with slurry inlet openings 604, and the side of the two limiting blocks 602 close to the slurry inlet openings 604 is an arc-shaped part 603, so that the concrete slurry can flow in, and the impact force of the concrete slurry acts on the two arc-shaped parts 603, so that the slurry is more easily squeezed between the two limiting blocks 602, and the two limiting blocks 602 are smoothly unfolded and inserted into the corresponding two limiting grooves 702.

[0045] The pouring connecting groove 201 is provided with a plurality of through openings 4, one end of the connecting piece 202 is connected with a plurality of groups of reinforcing ribs 3, the corresponding reinforcing ribs 3 can be inserted into the corresponding through openings 4, and the inner side of the through opening 4 is provided with an inner groove larger than the aperture of the through opening 4. One end of the through opening 4 is provided with a pouring inlet 5, and the pouring inlet 5 is in communication with the inner groove. When the connecting piece 202 is inserted into the pouring connecting groove 201, the reinforcing rib 3 is inserted into the through opening 4.

[0046] Specifically, the connecting piece 202 includes an embedded block 2021 connected to the side of the second concrete bridge deck slab 102 close to the pouring connecting groove 201, the reinforcing rib 3 is embedded on the embedded block 2021, the upper and lower end faces of the embedded block 2021 are provided with longitudinal grooves 2022, the outer surface of the embedded block 2021 is provided with a flat groove 2025, the side surface of the embedded block 2021 is provided with a plurality of through openings 2023 in communication with the two longitudinal grooves 2022, and the two end portions of the embedded block 2021 are provided with edge slot openings 2024. One side of the pouring connecting groove 201 is provided with an injection inlet 8, and the pouring connecting groove 201 is injected with concrete through the injection inlet 8. Specifically, after the first concrete bridge deck slab 101 and the second concrete bridge deck slab 102 are connected, the injection inlet 8 is used to inject the concrete slurry, the slurry is filled into the flat groove 2025 and the longitudinal groove 2022 through the edge slot opening 2024, so that the gap between the pouring connecting groove 201 and the embedded block 2021 is filled with the slurry, and the connection is stable, and the through openings 2023 are provided to enable the slurry to flow mutually and be easily filled.

[0047] Further, the side groove assembly 7 further comprises a slurry distribution port 703 through the side wing groove 701, the slurry distribution port 703 penetrates the pouring connecting groove 201 or the connecting piece 202, so that the slurry in the pouring connecting groove 201 can be injected into the slurry guide port 604. The outer side depth of the side wing groove 701 is greater than that of the right-angle U-shaped clamping rod 601, when both ends of the right-angle U-shaped clamping rod 601 are in contact with the inner wall of the corner of the side wing groove 701, there is a filling cavity between the inner wall of the right-angle U-shaped clamping rod 601 and the inner wall of the side wing groove 701, the filling cavity is filled with concrete slurry, so that the right-angle U-shaped clamping rod 601 is seamlessly connected with the side groove assembly 7. The inner wall of both ends of the right-angle U-shaped clamping rod 601 is provided with a slurry guide groove 605, the slurry guide groove 605 is in communication with the slurry guide port 604 after the two limiting blocks 602 are stretched, and the slurry guide port 604 is in communication with the slurry distribution port 703. Wherein, after the embedded block 2021 is inserted into the pouring connecting groove 201, the first concrete bridge deck slab 101 and the second concrete bridge deck slab 102 maintain a pouring interval, so that the injected slurry is extruded into the interval space, so that the first concrete bridge deck slab 101 and the second concrete bridge deck slab 102 are seamlessly connected as a whole.

[0048] The construction principle of the embodiment is as follows: first, the end portions of the first concrete bridge deck slab 101 and the second concrete bridge deck slab 102 are spliced together, the connecting piece 202 is inserted into the inside of the pouring connecting groove 201, and the plurality of reinforcing bars 3 are inserted into the plurality of through openings 4. Next, the two straight U-shaped clamping rods 601 are respectively inserted into the two side wing grooves 701, the two straight ends of the straight U-shaped clamping rod 601 are respectively inserted into the straight inner walls of the two side wing grooves 701, the first concrete bridge deck slab 101 and the second concrete bridge deck slab 102 are laid flat, the outer straight U-shaped plate is clamped at the connecting position of the first concrete bridge deck slab 101 and the second concrete bridge deck slab 102 and covers the outside of the gap between the first concrete bridge deck slab 101 and the second concrete bridge deck slab 102 (which can also play a role of positioning the two locking pieces 6), then the concrete slurry is poured into the pouring connecting groove 201 through the pouring port 8, the slurry fills the longitudinal groove 2022 and the horizontal groove 2025, the pouring of the slurry continues, the slurry enters the corresponding slurry guide port 604 through the slurry distribution port 703, under the power stamping of the slurry, the two limiting blocks 602 are moved away from each other and respectively inserted into the corresponding limiting grooves 702, thereby locking the straight U-shaped clamping rod 601, when the two limiting blocks 602 are stretched apart, the slurry flows into the slurry guide groove 605 and finally enters the filling cavity of the straight U-shaped clamping rod 601 and the side wing groove 701, so that the straight U-shaped clamping rod 601 is integrated with the first concrete bridge deck slab 101 and the second concrete bridge deck slab 102. It is worth noting that the slurry in the pouring connecting groove 201 will also be squeezed into the gap between the first concrete bridge deck slab 101 and the second concrete bridge deck slab 102, so that the first concrete bridge deck slab 101 and the second concrete bridge deck slab 102 are integrated. At the same time, the slurry will also seep into the inner grooves on the inner side of the plurality of through openings 4 through the plurality of through openings 2023 and the plurality of pouring ports 5, so that the reinforcing bars 3 are integrated with the first concrete bridge deck slab 101. The connecting structure designed in the application makes the reinforcing bars 3 more firmly fixed in the inner grooves, thereby improving the stability of the connection.

[0049] The above specific embodiments are only preferred embodiments of the application, and based on the technical solutions of the application and the related inspiration of the above embodiments, those skilled in the art can make various alternative improvements and combinations on the above specific embodiments; the above specific embodiments are only an explanation of the application, and are not a limitation of the application.

Claims

1. A concrete bridge deck structure comprising a first concrete bridge deck (101) and a second concrete bridge deck (102), characterized in that, The first concrete bridge deck slab (101) and the second concrete bridge deck slab (102) are provided with a pouring connecting groove (201) and a connecting piece (202) at one end close to each other, and are provided with a connecting piece (202) and a pouring connecting groove (201) at one end away from each other, for positioning and splicing a plurality of groups of first concrete bridge deck slabs (101) and second concrete bridge deck slabs (102); Two adjacent first concrete bridge deck slabs (101) and second concrete bridge deck slabs (102) are locked by a group of edge locking pieces (6); The two side faces of the first concrete bridge deck slab (101) and the second concrete bridge deck slab (102) are provided with an edge groove assembly (7) at one end close to each other; the splicing width of two edge groove assemblies (7) on the same side is the same as the width of the edge locking piece (6).

2. The concrete bridge deck slab structure according to claim 1, wherein The edge groove assembly (7) comprises a side wing groove (701) provided on the side face of the first concrete bridge deck slab (101) or the second concrete bridge deck slab (102), and limit grooves (702) are provided on both side walls of the inner end of the side wing groove (701); the edge locking piece (6) comprises a right-angle U-shaped clamping rod (601), and a pair of limit blocks (602) are slidably connected to both ends of the right-angle U-shaped clamping rod (601); and the corresponding two limit blocks (602) respectively extend into the corresponding two limit grooves (702) under the extrusion of the poured concrete.

3. The concrete bridge deck slab structure according to claim 2, wherein, The depth of the limit groove (702) is half the width of the limit block (602); Arc-shaped portions (603) are formed on one side of the two limit blocks (602) close to each other and close to the grouting port (604) of the right-angle U-shaped clamping rod (601), so that the concrete can flow in.

4. The concrete bridge deck slab structure according to claim 3, wherein A plurality of through ports (4) are provided in the pouring connecting groove (201), one end of the connecting piece (202) is connected with a plurality of groups of reinforcing ribs (3), the corresponding reinforcing ribs (3) can be inserted into the corresponding through ports (4), and an inner groove with a larger aperture than the through port (4) is provided on the inner side of the through port (4); One end of the through port (4) is provided with a pouring inlet (5), and the pouring inlet (5) is in communication with the inner groove.

5. The concrete bridge deck slab structure according to claim 4, wherein The connecting piece (202) comprises an embedded block (2021) connected to the side of the second concrete bridge deck slab (102) close to the pouring connecting groove (201), the reinforcing rib (3) is embedded on the embedded block (2021), longitudinal grooves (2022) are provided on the upper and lower end faces of the embedded block (2021), a flat groove (2025) is provided on the outer surface of the embedded block (2021), a plurality of through ports (2023) in communication with the two longitudinal grooves (2022) are provided on the side face of the embedded block (2021), and edge groove ports (2024) are provided at both ends of the embedded block (2021). An injection inlet (8) is provided on one side of the pouring connecting groove (201), and the pouring connecting groove (201) is injected with concrete through the injection inlet (8).

6. The concrete bridge deck slab structure of claim 1, wherein, The side groove assembly (7) further comprises a slurry distribution port (703) penetrating the side wing groove (701), and the slurry distribution port (703) penetrates the pouring connecting groove (201) or the connecting piece (202).

7. The concrete bridge deck slab structure according to claim 6, wherein The outer side depth of the side wing groove (701) is greater than the outer side depth of the right-angle U-shaped clamping rod (601), and when both ends of the right-angle U-shaped clamping rod (601) are in contact with the inner walls of the corners of the side wing groove (701), the inner walls of the right-angle U-shaped clamping rod (601) and the inner walls of the side wing groove (701) have a filling cavity.

8. The concrete bridge deck slab structure according to claim 3, wherein Both ends of the right-angle U-shaped clamping rod (601) are provided with slurry guide grooves (605), the slurry guide grooves (605) are in communication with the slurry guide ports (604) after the two limiting blocks (602) are separated, and the slurry guide ports (604) are in communication with the slurry distribution ports (703).

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