Bridge adopting concrete main beam and combined bridge deck slab

Abstract

The utility model relates to the technical field of bridges, and provides a bridge adopting a concrete main beam and a combined bridge deck slab, which comprises the concrete main beam and the combined bridge deck slab, and a corrugated plate is arranged on the bottom surface of the combined bridge deck slab; the two sides, in the transverse bridge direction, of the corrugated plate are connected with end sealing plates, the bottom faces of the end sealing plates are flush with the bottom face of the corrugated plate, and the elevation of the top face of each end sealing plate is larger than or equal to that of the top face of the corrugated plate. Pre-embedded steel plates are arranged on the upper surface of the concrete main beam, and the two pre-embedded steel plates are arranged close to the two side faces, in the transverse bridge direction, of the concrete main beam correspondingly; the upper surface of the pre-embedded steel plate is flush with the upper surface of the concrete main beam, and the corrugated plate and the end sealing plate are in lap joint with the upper surface of the pre-embedded steel plate. The technical problems that in the prior art, the construction precision of a concrete main beam and the construction precision of a combined bridge deck slab are different, and a side formwork needs to be additionally disassembled and assembled when concrete is poured into the combined bridge deck slab, so that the concrete main beam and the combined bridge deck slab are difficult to combine are solved.

Description

A bridge using concrete main beams and composite bridge deck Technical Field

[0001] This utility model relates to the field of bridge technology, and in particular to a bridge using a concrete main beam and a composite bridge deck. Background Technology

[0002] Traditional bridge decks are mainly divided into reinforced concrete bridge decks and steel bridge decks. However, reinforced concrete bridge decks are heavy and have low construction efficiency, while steel bridge decks are expensive and prone to fatigue problems. In recent years, in order to fully utilize the advantages of both concrete and steel, the steel-concrete composite design concept has gradually been applied to bridge deck structures. Composite bridge decks are mainly composed of a permanent bottom steel formwork with a certain rigidity, shear connection keys, reinforcing steel bars, and cast-in-place concrete. Sometimes, the bottom steel formwork uses corrugated plates with profiles to further enhance the load-bearing capacity and rigidity of the composite bridge deck.

[0003] However, existing composite bridge decks are typically used on steel main beams. If they are used on concrete main beams, the following problems will occur:

[0004] 1. It is difficult to combine the steel bottom formwork of the composite bridge deck with the precast concrete main beam. For example, the construction precision of the steel structure (steel bottom formwork) of the composite bridge deck and the concrete structure of the concrete main beam are inconsistent, making it difficult to guarantee the alignment precision when the two are connected.

[0005] 2. When corrugated plates are used for the bottom steel formwork, side forms need to be added on both sides of the composite bridge deck along the transverse direction to ensure the bottom steel formwork is closed. During construction, the side forms need to be erected and disassembled, which greatly increases the complexity of construction.

[0006] Therefore, in order to successfully integrate the composite bridge deck with the concrete main beam and solve the above-mentioned problems, it is urgent to develop a new type of bridge. Summary of the Invention

[0007] The purpose of this invention is to overcome the technical problems in the prior art where the construction precision of the concrete main beam and the composite bridge deck are different, and the concrete pouring of the composite bridge deck requires additional disassembly and assembly of side formwork, which makes it difficult to combine the concrete main beam and the composite bridge deck. The invention provides a bridge that uses a concrete main beam and a composite bridge deck.

[0008] In a first aspect, the present invention provides a bridge using a concrete main beam and a composite bridge deck, comprising a concrete main beam and a composite bridge deck, wherein a corrugated plate is provided on the bottom surface of the composite bridge deck.

[0009] Both sides of the corrugated plate are connected to end sealing plates along the transverse direction of the bridge. The bottom surface of the end sealing plate is flush with the bottom surface of the corrugated plate, and the elevation of the top surface of the end sealing plate is greater than or equal to the elevation of the top surface of the corrugated plate.

[0010] An embedded steel plate is provided on the upper surface of the concrete main beam. At least one embedded steel plate is provided near one side of the concrete main beam along the transverse direction, or two embedded steel plates are provided near two sides of the concrete main beam along the transverse direction, respectively. The upper surface of the embedded steel plate is flush with the upper surface of the concrete main beam, and the corrugated plate and the end cap plate overlap the upper surface of the embedded steel plate.

[0011] This solution involves embedding steel plates on the upper surface of the concrete main beam. Compared to the concrete main beam itself, the embedded steel plates, being metal components, offer higher and easier-to-control construction precision, such as positioning accuracy, surface flatness, and levelness. By connecting these steel plates with corrugated plates, which are also metal components, the connection between the concrete main beam and the composite bridge deck is achieved. This significantly improves the alignment accuracy between the concrete main beam and the composite bridge deck, thereby ensuring a reliable and effective connection between them.

[0012] On the other hand, this scheme also sets end sealing plates on both sides of the corrugated plate. The end sealing plates can seal the trough area of ​​the corrugated plate and prevent concrete from leaking out from the trough of the corrugated plate. Together with the corrugated plate, they form a closed formwork, which can serve as a pouring formwork for the composite bridge deck concrete. This avoids the process of repeatedly disassembling and assembling the side formwork when constructing the composite bridge deck and greatly improves the construction efficiency of the composite bridge deck. Moreover, both the end sealing plates and the corrugated plates overlap with the pre-embedded steel plates, which can further enhance the connection reliability between the concrete main beam and the composite bridge deck.

[0013] Meanwhile, the embedded steel plates and end caps can be completed in the prefabrication plant when the concrete main beams and composite bridge decks are prefabricated. This means that the main steel structure welding work can be completed in the plant, with less on-site work. Therefore, this solution does not require the addition of special teams during construction, which can further simplify the construction process of connecting the concrete main beams and composite bridge decks and reduce construction costs.

[0014] Preferably, the side of the pre-embedded steel plate facing away from the composite bridge deck is provided with welded studs or hooked reinforcing bars, which are embedded in the concrete main beam.

[0015] This solution can enhance the anchoring force between the embedded steel plate and the concrete main beam.

[0016] Preferably, the welded studs or hooked reinforcing bars are connected to the main beam reinforcing bars in the concrete main beam.

[0017] This solution connects welded studs or bent hooks to the main beam reinforcement, which can further enhance the anchorage force between the embedded steel plate and the concrete main beam.

[0018] Preferably, the hooked steel bar includes a longitudinal section, a vertical section, and a hook. The longitudinal section is arranged along the longitudinal direction of the bridge and is connected to the side of the pre-embedded steel plate away from the composite bridge deck. One end of the vertical section is connected to the longitudinal section, and the other end of the vertical section extends along the height direction in a direction away from the composite bridge deck. The hook is connected to the end of the vertical section away from the longitudinal section.

[0019] This solution recommends one specific shape for the hooked steel bar, in which the longitudinal section is set parallel to the embedded steel plate and can fit snugly against the embedded steel plate when connected, thereby increasing the connection area between the hooked steel bar and the embedded steel plate, thus ensuring a stable connection between the hooked steel bar and the embedded steel plate; while the vertical section can increase the anchorage depth of the hooked steel bar in the concrete main beam, thereby improving the pull-out resistance of the hooked steel bar to the embedded steel plate and ensuring sufficient anchorage force between the embedded steel plate and the concrete main beam.

[0020] Preferably, the end cap plate is provided with transverse through holes, which penetrate the end cap plate in the transverse direction of the bridge, and the number and position of the transverse through holes match the number and position of the tensile reinforcement in the composite bridge deck.

[0021] This solution addresses two issues. First, the transverse through-holes prevent interference between the tensile reinforcement bars and the end caps within the composite bridge deck along the transverse direction, thus preventing the end caps or tensile reinforcement bars from being installed. Second, after the composite bridge deck is poured, concrete tenons are formed at the transverse through-holes, enhancing the anchorage between the end caps and the composite bridge deck. Furthermore, the end plate with the transverse through-holes also functions as an interlayer shear connector (like the closed reinforcement bars on the top surface of the concrete main beam), further strengthening the connection between the concrete main beam and the composite bridge deck and reducing the risk of separation between the end caps and the composite bridge deck.

[0022] Preferably, the cross-sectional shape of the transverse through hole is circular or elliptical.

[0023] This solution enables the concrete tenon formed at the transverse through hole to have a more rounded shape, thereby avoiding damage to the concrete tenon due to local stress concentration.

[0024] Preferably, the side of the embedded steel plate near the corrugated plate is flush with the corresponding side of the concrete main beam.

[0025] This solution can protect the edges of the upper surface of the concrete main beam by pre-embedding steel plates, preventing local cracking of the upper surface of the concrete main beam due to the load of the composite bridge deck, thereby ensuring the durability of the concrete main beam and its combined stress behavior with the composite bridge deck.

[0026] Preferably, the embedded steel plate is installed along the longitudinal direction of the bridge relative to the concrete main beam.

[0027] This solution enables the embedded steel plate to provide complete protection for all parts of the concrete main beam along the longitudinal direction of the bridge, thereby enhancing the crack resistance of the embedded steel plate to the concrete main beam and ensuring that the concrete main beam fits tightly with the composite bridge deck along the longitudinal direction of the bridge.

[0028] Preferably, the distance from the side of the embedded steel plate away from the corrugated plate to the side of the concrete main beam near the corrugated plate is D1, and the distance from the side of the end cap plate away from the corrugated plate to the side of the concrete main beam near the corrugated plate is D2, where D1 > D2.

[0029] This solution involves making the width of the embedded steel plate in the transverse direction of the bridge greater than the overlap width between the composite bridge deck and the concrete main beam. On the one hand, this allows for the convenient use of the larger area of ​​the embedded steel plate to install end caps and corrugated plates. On the other hand, the larger size of the embedded steel plate also enhances the crack resistance of the embedded steel plate to the concrete main beam.

[0030] Preferably, the corrugated plate is welded to the end sealing plate, and / or the end sealing plate is welded to the embedded steel plate.

[0031] This solution provides specific connection methods between the corrugated plate and the end cap plate, as well as between the end cap plate and the embedded steel plate. Compared with other connection methods, such as bolting, this solution enables the corrugated plate and the end cap plate, as well as the end cap plate and the embedded steel plate, to form a continuous whole. On the one hand, it can improve the load-bearing capacity at the connection between the composite bridge deck and the concrete main beam, and on the other hand, it can improve the sealing performance at the connection between the composite bridge deck and the concrete main beam, thereby preventing grout leakage from the joints during concrete pouring.

[0032] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0033] This utility model provides a bridge using a concrete main beam and a composite bridge deck. An embedded steel plate is installed on the upper surface of the concrete main beam, and end-sealing plates are installed on both sides of a corrugated plate on the bottom surface of the composite bridge deck. This allows the corrugated plate and end-sealing plates to serve as casting templates for the composite bridge deck. Furthermore, the connection between the concrete main beam and the composite bridge deck is achieved by overlapping the corrugated plate and end-sealing plates onto the embedded steel plate. This improves the alignment accuracy between the concrete main beam and the composite bridge deck, ensuring a reliable and effective connection. It also simplifies the construction process for connecting the concrete main beam and the composite bridge deck and reduces construction costs. Attached Figure Description

[0034] Figure 1 is a partial front sectional view of a bridge structure of the present invention, which uses a concrete main beam and a composite bridge deck.

[0035] Figure 2 is a magnified view of the structure at point A in Figure 1;

[0036] Figure 3 is a magnified view of the structure at point B in Figure 1.

[0037] Figure 4 is a magnified view of the structure at point C in Figure 2;

[0038] Figure 5 is a partial cross-sectional view of the DD section in Figure 2.

[0039] Figure 6 is a magnified view of the structure at point E in Figure 3;

[0040] Figure 7 is a partial cross-sectional view of the FF section in Figure 3.

[0041] icon:

[0042] 1-Concrete main beam; 11-Main beam reinforcement;

[0043] 2-Combined bridge deck; 21-Corrugated plate;

[0044] 3-End sealing plate; 31-Transverse through hole; 4-Embedded steel plate;

[0045] 5-Welding stud; 6-Hooked rebar; 61-Longitudinal section; 62-Vertical section; 63-Hook. Detailed Implementation

[0046] The present invention will be further described in detail below with reference to experimental examples and specific embodiments. However, this should not be construed as limiting the scope of the above-mentioned subject matter of the present invention to the following embodiments; all technologies implemented based on the content of the present invention fall within the scope of the present invention.

[0047] Unless otherwise specified, the use of terms such as "upper," "lower," "left," "right," "center," "inner," and "outer" to indicate orientation or positional relationships in the description of specific embodiments of the present invention is based on the orientation or positional relationships shown in the accompanying drawings, or the orientation or positional relationship in which the product / equipment / device is typically placed during use. These terms are merely for the purpose of facilitating the description of the present invention or simplifying the description in specific embodiments, enabling those skilled in the art to quickly understand the solution, and do not indicate or imply that a particular device / component / element must have a specific orientation, or be constructed and operated in a specific positional relationship. Therefore, they should not be construed as limitations on the present invention.

[0048] Furthermore, the use of terms such as "horizontal," "vertical," "suspension," and "parallel" does not imply that the corresponding device / component / element must be absolutely horizontal, vertical, suspended, or parallel, but rather that it can be slightly tilted or have a deviation. For example, "horizontal" merely means that its direction is more horizontal relative to "vertical," not that the structure must be completely horizontal, but can be slightly tilted. Alternatively, it can be simplified to mean that the corresponding device / component / element, when set in a "horizontal," "vertical," "suspension," or "parallel" direction, can have an error / deviation of ±10% relative to the corresponding direction, more preferably within ±8%, more preferably within ±6%, more preferably within ±5%, and more preferably within ±4%. As long as the corresponding device / component / element is within the error / deviation range, it can still achieve its function in the present invention.

[0049] Furthermore, the use of terms such as "first," "second," and "third" in terminology is merely for distinguishing descriptions of identical or similar components and should not be interpreted as emphasizing or implying the relative importance of a particular component.

[0050] Furthermore, in the description of the embodiments of the present invention, "several", "more than", and "a number of" represent at least two. The number can be any number, such as 2, 3, 4, 5, 6, 7, 8, or 9, and can even exceed nine.

[0051] Furthermore, in the description of the technical solution of this invention, unless otherwise explicitly specified / limited / restricted, the terms "set up," "install," "connect," "link," "provided with," "laid out," and "arranged" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to common connection methods in the art, such as welding, riveting, bolting, and threaded connections. Such connections can be mechanical, electrical, or communication connections; they can be direct connections or indirect connections through an intermediate medium; and they can refer to the internal communication between two components.

[0052] Example 1

[0053] As shown in Figures 1 to 7, a bridge using a concrete main beam and a composite bridge deck includes a concrete main beam 1 and a composite bridge deck 2. A corrugated plate 21 is provided on the bottom surface of the composite bridge deck 2. End caps 3 are connected to both sides of the corrugated plate 21 along the transverse direction. The surface of the end caps 3 is perpendicular to the transverse direction, and the bottom surface of the end caps 3 is flush with the bottom surface of the corrugated plate 21. The elevation of the top surface of the end caps 3 is greater than or equal to the elevation of the top surface of the corrugated plate 21. An embedded steel plate 4 is provided on the upper surface of the concrete main beam 1. The surface of the embedded steel plate 4 is perpendicular to the height direction. At least one embedded steel plate 4 is located near one side of the concrete main beam 1 along the transverse direction, or two embedded steel plates 4 are located near two sides of the concrete main beam 1 along the transverse direction, respectively. The upper surface of the embedded steel plate 4 is flush with the upper surface of the concrete main beam 1, and the lower surfaces of the corrugated plate 21 and the end caps 3 overlap the upper surface of the embedded steel plate 4.

[0054] In Figures 1 to 7, arrows are used to indicate the directions, with arrow X representing the transverse direction, arrow Y representing the longitudinal direction, and arrow Z representing the height direction.

[0055] In the above embodiments, the specific structural forms of the concrete main beam 1 include, but are not limited to, precast simply supported I-beams, precast simply supported T-beams, or precast simply supported small box beams.

[0056] In the above embodiments, embedded steel plates 4 are provided on both sides of the upper surface of the concrete main beam 1 along the transverse direction, or embedded steel plates 4 are provided on only one side, depending on the number of composite bridge deck panels 2 connected to the concrete main beam 1. For example, for the concrete main beam 1 located in the middle of the bridge along the transverse direction as shown in Figure 1, the composite bridge deck panels 2 need to be overlapped on both sides of its upper surface along the transverse direction, so embedded steel plates 4 need to be provided on both sides of its upper surface along the transverse direction. However, if the concrete main beam 1 is located on both sides along the transverse direction (e.g., a side beam), then only one side of its two sides along the transverse direction needs to be overlapped with the composite bridge deck panels 2. Correspondingly, the concrete main beam 1 only needs to have embedded steel plates 4 provided on the side closest to the composite bridge deck panels 2.

[0057] In the above embodiments, after the corrugated plate 21 and the end sealing plate 3 overlap the upper surface of the embedded steel plate 4, the corrugated plate 21 and the embedded steel plate 4 can be further fixedly connected, and / or the end sealing plate 3 and the embedded steel plate 4 can be fixedly connected; the specific methods of fixed connection include but are not limited to welding or bolting, for example, as shown in Figures 4 and 6, the end sealing plate 3 and the embedded steel plate 4 are corner welded.

[0058] In the above embodiments, the specific waveforms of the corrugated plate 21 include, but are not limited to, arc waves and trapezoidal waves.

[0059] In an optional embodiment, the pre-embedded steel plate 4 is provided with a welded stud 5 or a bent reinforcing bar 6 on the side (bottom surface) away from the composite bridge deck 2 along the height direction, and the welded stud 5 or the bent reinforcing bar 6 is embedded in the concrete main beam 1.

[0060] In the above embodiments, the welding studs 5 or the bent reinforcing bars 6 are connected to the main beam reinforcing bars 11 in the concrete main beam 1. For example, as shown in Figures 4 and 5, a number of welding studs 5 are distributed at intervals along the longitudinal direction of the bridge on the bottom surface of the embedded steel plate 4. The axis of the welding studs 5 is set along the height direction, and the head of the welding studs 5 extends downward until it is located below the main beam reinforcing bars 11. Welding the welding studs 5 to the main beam reinforcing bars 11 can ensure a stable connection between the embedded steel plate 4 and the concrete main beam 1.

[0061] In the above embodiment, as shown in Figures 6 and 7, the hooked steel bar 6 includes a longitudinal section 61, a vertical section 62, and a hook 63. The longitudinal section 61 is arranged along the longitudinal direction of the bridge and is connected to the side of the embedded steel plate 4 away from the composite bridge deck 2. One end of the vertical section 62 is connected to one end of the longitudinal section 61, and the other end of the vertical section 62 extends in the height direction away from the composite bridge deck 2. The hook 63 is connected to the end of the vertical section 62 away from the longitudinal section 61, and the hook 63 hooks the main beam steel bar 11. Welding the hooked steel bar 6 to the beam steel bar ensures a stable connection between the embedded steel plate 4 and the concrete main beam 1.

[0062] In the above embodiments, the longitudinal segment 61, vertical segment 62 and hook 63 of the hooked steel bar 6 can be three parts on an integrated component, such as bending two parts of a steel bar to form the longitudinal segment 61, vertical segment 62 and hook 63; or they can be independent components that are connected to each other, such as welding three short steel bars into a hooked steel bar 6.

[0063] In an optional embodiment, the end cap plate 3 is provided with transverse through holes 31. The transverse through holes 31 penetrate the end cap plate 3 along the transverse bridge direction. The number and position of the transverse through holes 31 match the number and position of the tensile steel bars in the composite bridge deck 2. For example, as shown in Figures 5 and 7, multiple transverse through holes 31 are distributed at intervals along the longitudinal bridge direction in the end cap plate 3.

[0064] In an optional embodiment, the cross-sectional shape of the transverse through hole 31 is circular or elliptical.

[0065] In an optional embodiment, the side of the embedded steel plate 4 closer to the corrugated plate 21 along the transverse direction is flush with the corresponding side of the concrete main beam 1. For example, as shown in Figures 2 and 3, the left side of the left embedded steel plate 4 is flush with the left side of the concrete main beam 1, while the left side of the right embedded steel plate 4 is flush with the right side of the concrete main beam 1.

[0066] In an optional embodiment, the embedded steel plate 4 is arranged along the longitudinal direction of the bridge relative to the concrete main beam 1, that is, the length of the embedded steel plate 4 along the longitudinal direction of the bridge matches the length of the concrete main beam 1, and the two ends of the embedded steel plate 4 along the longitudinal direction of the bridge are respectively flush with the corresponding side formwork of the concrete main beam 1.

[0067] In an optional embodiment, as shown in Figure 4, the distance from the side of the pre-embedded steel plate 4 away from the corrugated plate 21 along the transverse direction of the bridge to the side of the concrete main beam 1 near the corrugated plate 21 is D1, and the distance from the side of the end cap 3 away from the corrugated plate 21 along the transverse direction of the bridge to the side of the concrete main beam 1 near the corrugated plate 21 is D2, where D1 > D2.

[0068] In the above embodiment, the end cap 3 is located at the center of the pre-embedded steel plate 4 along the transverse direction of the bridge, that is, D1 = 2 * D2 + the thickness of the end cap 3, so that the stress between the composite bridge deck 2 and the concrete main beam 1 is more reasonable.

[0069] In an optional embodiment, the corrugated plate 21 is welded to the end sealing plate 3, and / or the end sealing plate 3 is welded to the embedded steel plate 4. For example, as shown in Figures 4 and 6, fillet welds are made between the upper surface of the corrugated plate 21 and the side surface of the end sealing plate 3, and between the side surface of the end sealing plate 3 and the upper surface of the embedded steel plate 4.

[0070] In an optional embodiment, both the embedded steel plate 4 and the end sealing plate 3 are made of weathering steel, which does not require painting, further simplifying the construction process and making it more economical and environmentally friendly throughout its entire life cycle.

[0071] In this embodiment, the bridge using concrete main beams and composite bridge decks is constructed by first prefabricating the concrete main beams 1 in the processing plant, and pre-welding the embedded steel plates 4 with weld studs 5 or hooked steel bars 6 to the main beam reinforcement 11 in advance. Spot welding can be used for welding. The composite bridge deck 2 is prefabricated in the processing plant, and end caps 3 are pre-installed on both sides of the corrugated plate 21 to form a steel template. Fillet welding can be performed as shown in Figures 4 to 6. Then, the steel template is hoisted to the designated position between the two main beams, and the corrugated plates 21 and end caps 3 on both sides are respectively overlapped on the embedded steel plates 4 on the concrete main beams 1 on both sides, and the end caps 3 are welded to the embedded steel plates 4.

[0072] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A bridge employing a concrete main beam and a composite bridge deck, comprising a concrete main beam (1) and a composite bridge deck (2), wherein the bottom surface of the composite bridge deck (2) is provided with a corrugated plate (21), characterized in that: The corrugated plate (21) is connected to end caps (3) on both sides along the transverse direction of the bridge. The bottom surface of the end caps (3) is flush with the bottom surface of the corrugated plate (21). The elevation of the top surface of the end caps (3) is greater than or equal to the elevation of the top surface of the corrugated plate (21). The upper surface of the concrete main beam (1) is provided with embedded steel plates (4). At least one of the embedded steel plates (4) is located near one side of the concrete main beam (1) along the transverse direction of the bridge, or two embedded steel plates (4) are located near two sides of the concrete main beam (1) along the transverse direction of the bridge, respectively. The upper surface of the embedded steel plates (4) is flush with the upper surface of the concrete main beam (1). The corrugated plate (21) and the end caps (3) overlap the upper surface of the embedded steel plates (4).

2. A bridge using a concrete main beam and composite bridge deck as described in claim 1, characterized in that, The embedded steel plate (4) is provided with a welding stud (5) or a hooked steel bar (6) on the side away from the composite bridge deck (2), and the welding stud (5) or the hooked steel bar (6) is embedded in the concrete main beam (1).

3. A bridge using a concrete main beam and composite bridge deck according to claim 2, characterized in that, The welding stud (5) or the hooked steel bar (6) is connected to the main beam steel bar (11) in the concrete main beam (1).

4. A bridge using a concrete main beam and composite bridge deck as described in claim 2, characterized in that, The hooked steel bar (6) includes a longitudinal section (61), a vertical section (62), and a hook (63). The longitudinal section (61) is arranged along the longitudinal direction of the bridge and is connected to the side of the embedded steel plate (4) away from the composite bridge deck (2). One end of the vertical section (62) is connected to the longitudinal section (61), and the other end of the vertical section (62) extends along the height direction in a direction away from the composite bridge deck (2). The hook (63) is connected to the end of the vertical section (62) away from the longitudinal section (61).

5. A bridge using a concrete main beam and composite bridge deck as described in claim 1, characterized in that, The end cap plate (3) is provided with transverse through holes (31), which penetrate the end cap plate (3) along the transverse direction of the bridge. The number and position of the transverse through holes (31) match the number and position of the tensile reinforcement bars in the composite bridge deck (2).

6. A bridge employing a concrete main beam and composite bridge deck according to claim 5, characterized in that, The cross-sectional shape of the transverse through hole (31) is circular or elliptical.

7. A bridge employing a concrete main beam and composite bridge deck according to any one of claims 1 to 6, characterized in that, The side of the embedded steel plate (4) near the corrugated plate (21) is flush with the corresponding side of the concrete main beam (1).

8. A bridge employing a concrete main girder and composite bridge deck according to any one of claims 1 to 6, characterized in that, The embedded steel plate (4) is set along the longitudinal direction of the bridge relative to the concrete main beam (1).

9. A bridge employing a concrete main beam and composite bridge deck according to any one of claims 1 to 6, characterized in that, The distance from the side of the embedded steel plate (4) away from the corrugated plate (21) to the side of the concrete main beam (1) near the corrugated plate (21) is D1, and the distance from the side of the end cap (3) away from the corrugated plate (21) to the side of the concrete main beam (1) near the corrugated plate (21) is D2, where D1 > D2.

10. A bridge employing a concrete main beam and composite bridge deck according to any one of claims 1 to 6, characterized in that, The corrugated plate (21) is welded to the end sealing plate (3), and / or the end sealing plate (3) is welded to the embedded steel plate (4).

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