A seamless expansion joint drainage structure

Abstract

The utility model discloses a kind of seamless expansion joint drainage structures, solve the problem of water seepage falling and setting instability in prior art seamless expansion joint structure, expansion joint sets up drainage conduit and accesses bridge drainage main pipe to form expansion joint drainage structure system, with beneficial effect, specific scheme is as follows:a kind of seamless expansion joint drainage structure, including the end side concrete piece located at the length direction end side of each bridge beam body, end side concrete piece is bonded with bridge beam body, nut seat is set in end side concrete piece, nut seat is set along the width direction of bridge beam body, end side concrete piece on the both sides of expansion joint supports waterstop, waterstop is communicated with bridge drainage main pipe by water guide pipe, elastic expansion component straddles expansion joint and its both sides are respectively placed on the upper surface of corresponding side end side concrete piece, elastic expansion component respectively press sets the both sides of waterstop at corresponding side end side concrete piece, first fastener detachably connects elastic expansion component and nut seat, elastic sealing layer is laid between elastic expansion component and bridge deck pavement layer.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge technical field especially a seamless expansion joint drainage structure. BACKGROUND

[0002] The statements in this part only provide the background technical information related to the utility model and do not necessarily constitute prior art.

[0003] When the vehicle drives through the bridge expansion joint, a certain noise is generated, and the city viaduct is distributed with residential buildings, commercial buildings and other buildings, therefore, it is necessary to effectively reduce the noise influence; the city viaduct is usually passed by vehicles, and the water often falls at the bridge expansion joint when it rains, which influences the ground road driving, and the ice cone is often generated at the bridge expansion joint due to water seepage in winter, which causes the safety hazard; in order to solve the above two problems, the seamless expansion joint can be used at the bridge expansion joint, compared with the traditional profile steel expansion joint and comb plate expansion joint, the seamless expansion joint can greatly reduce the noise generated when the vehicle drives through, and is a good choice for the range with high noise control requirement, the elastic expansion component of the seamless expansion joint has strong adaptability, good sealing property and good waterproof performance, and can reduce the bridge deck water seepage.

[0004] The inventor finds that the existing seamless expansion joint structure has the following problems in several aspects:

[0005] The expansion joint is not provided with the water stop belt and water guide pipe and other structures, and the water seepage and falling problem still exists;

[0006] The stress condition of the bridge beam body at the position on both sides of the expansion joint is complex, so that the bridge beam body is easily damaged at the expansion position. CONTENT OF THE UTILITY MODEL

[0007] In view of the deficiencies of the prior art, the utility model aims at providing a seamless expansion joint drainage structure, which can ensure that the water seepage at the expansion joint can be drained into the bridge drainage system and finally into the ground rainwater pipe network, effectively avoids the influence of water seepage on the durability of the structure at the expansion joint, and guarantees the safety of the bridge passage.

[0008] In order to realize the above-mentioned purpose, the utility model is realized through the following technical scheme:

[0009] A seamless expansion joint drainage structure, comprising an end-side concrete member located at the length direction end side of each bridge girder, the end-side concrete member is bonded with the bridge girder, a nut seat is arranged in the end-side concrete member, the nut seat is arranged along the width direction of the bridge girder, a water stop belt is supported by the end-side concrete members on both sides of the expansion joint, the water stop belt is communicated with the bridge drainage main pipe through a water guide pipe, an elastic expansion component is arranged across the expansion joint and is arranged on the upper surface of the end-side concrete member on the corresponding side, the elastic expansion component presses the water stop belt on both sides to the end-side concrete member on the corresponding side, a first fastener is detachably connected with the elastic expansion component and the nut seat, and an elastic sealing layer is arranged between the elastic expansion component and the bridge deck pavement.

[0010] The seamless expansion joint drainage structure as described above, an edge sealing component is arranged in the upper half of the end-side concrete member near the side of the expansion joint, the edge sealing component comprises a bottom plate, the cross section of the bottom plate is L-shaped, the opening side of the bottom plate is arranged towards the direction of the nut seat, and the bottom plate is provided with multiple second fasteners which bypass part of the transverse steel bars in the end-side concrete member.

[0011] The seamless expansion joint drainage structure as described above, the nut seat is arranged in a reserved groove at the length direction end side of each bridge girder, transverse steel bars are arranged in the reserved groove, the transverse steel bars are arranged along the width direction of the bridge girder, and the reserved groove is poured with concrete around the side of the nut seat to form the end-side concrete member.

[0012] The seamless expansion joint drainage structure as described above, an annular steel bar is arranged in the reserved groove, the annular steel bar bypasses part of the transverse steel bars, the annular steel bar is provided with an opening, and the two sides of the opening of the annular steel bar are located on the side of the nut seat, thereby effectively enhancing the stability of the arrangement of the nut seat in the end-side concrete member.

[0013] A door-shaped steel bar is further arranged in the reserved groove, the two sides of the door-shaped steel bar are deeply arranged in the bridge girder, the top of the door-shaped steel bar is exposed in the reserved groove, and part of the transverse steel bars is arranged below the top of the door-shaped steel bar, thereby effectively enhancing the connection strength between the end-side concrete member and the bridge girder.

[0014] The seamless expansion joint drainage structure as described above, the height of the end-side concrete member is greater than the height of the nut seat, so as to ensure the stability of the arrangement of the nut seat in the end-side concrete member.

[0015] The end-side concrete member is arranged higher than the bridge deck pavement, so as to ensure that the upper surface of the elastic expansion component can be arranged at the same height as the bridge deck pavement.

[0016] The seamless expansion joint drainage structure as described above, the nut seat comprises a support plate, multiple first nuts are arranged on the surface of the support plate at intervals, and the first fastener is a first bolt which is connected to the first nut through the side of the elastic expansion component.

[0017] The elastic sealing layer covers the head of the first bolt, avoids the head of the first bolt from being exposed on the bridge deck, and is convenient and fast to remove.

[0018] The bottom plate is provided with a plurality of second nuts, the second fasteners are L-shaped anchor bolts, one end of the L-shaped anchor bolt is connected with the second nut, the shorter side of the L-shaped anchor bolt is attached to the bottom of the reserved groove, the shorter side of the L-shaped anchor bolt is located below the partial transverse steel bars and is attached to the bottom of the reserved groove, and the stability of the edge sealing member arranged in the end-side concrete member is ensured.

[0019] The bottom plate is supported by a plurality of vertical plates, adjacent two vertical plates are arranged at a spacing distance, and one side of the bottom plate is flush with the end-side surface of the bridge beam body.

[0020] The bridge deck pavement layer is filled with asphalt jointing paste at the contact position of the end-side concrete member to avoid water seepage from the outside of the expansion joint into the expansion joint.

[0021] The bottom of the water guide pipe is connected with the expansion compensator through an elbow, the expansion compensator is connected with the bridge drainage main pipe through a tee joint, and the part of the drainage main pipe located on the bridge beam body is connected with the part of the drainage main pipe located on the pier through a downspout.

[0022] In order to facilitate water walking, the middle part of the water stop belt is bent towards the bottom of the expansion joint.

[0023] The water stop belt is arranged along the width direction of the bridge beam body, and the water guide pipes are arranged on both sides of the water stop belt.

[0024] The length of the water guide pipe is less than the height of the bridge beam body.

[0025] The beneficial effects of the utility model are as follows:

[0026] 1) The utility model discloses a bridge beam body end side is provided with end side concrete piece, is provided with nut seat and edge member in end side concrete piece, the setting of nut seat is used for the first fastener to pass through the side portion of elastic expansion component and is connected with nut seat, realizes the fixation of elastic expansion component, guarantees the integrity of elastic expansion component and bridge beam body, and through the compression of elastic expansion component waterstop, forms seamless expansion joint, and the overall structure is reasonably arranged, and the end side concrete piece is bonded with bridge beam body, and the end side concrete piece sets up nut seat for the fixation of elastic expansion component, still sets up horizontal steel bar and guarantees the strength of end side concrete piece, makes the structural stability of expansion joint both sides greatly improve, through the setting of seamless expansion joint, can effectively reduce the noise when the vehicle drives through bridge expansion joint, and the seepage of expansion joint is discharged into bridge drainage main pipe through waterstop and water pipe, guarantees that there is no falling water in expansion joint position when raining, and does not produce ice cone in winter, eliminates the security risk of ground driving.

[0027] 2) The utility model discloses an elastic expansion component is arranged above end side concrete piece, and the both sides of waterstop are compressed, and the first fastener is detachable relative to nut seat, after the removal of elastic sealing layer, removes the first fastener so that elastic expansion component can be removed, thereby facilitating the quick replacement of waterstop.

[0028] 3) The utility model discloses that end side concrete piece is provided with edge member, and edge member sets up second fastener, and second fastener sets up around part of reinforcing steel bars in end side concrete piece, effectively enhances the strength of end side concrete piece on expansion joint both sides, enhances the integrity and durability of concrete at expansion joint position.

[0029] 4) The utility model discloses that through setting the reserved slot in bridge beam body end side, the setting of nut seat and edge member is facilitated through the setting of reserved slot, and the side portion of nut seat sets up annular reinforcing steel bar, guarantees the strength of setting in end side concrete piece, and the top of door type reinforcing steel bar is exposed in the reserved slot, and part of horizontal reinforcing steel bar is below the top of door type reinforcing steel bar, so that the connection between bridge beam body and end side concrete piece is more reliable, and the end side concrete piece of stable structure is formed by pouring concrete in the reserved slot.

[0030] 5) The utility model discloses that second fastener is L type anchor bolt, and one end of L type anchor bolt is connected with second nut, and the other side can be placed in the bottom of reserved slot around part of horizontal reinforcing steel bar, enhances the structural stability of edge member, and further effectively enhances the integrity and durability of concrete on expansion joint both sides. ACCURATE DRAWINGS

[0031] The drawings accompanying the specification of this utility model form a part of the utility model and serve to provide further understanding of the utility model, and the illustrative embodiments of the utility model and the description thereof serve to explain the utility model, and do not constitute improper limitation on the utility model.

[0032] Figure 1 is a sectional view of a seamless expansion joint drainage structure according to one or more embodiments of the present application.

[0033] Figure 2 is a front view of a nut seat in a seamless expansion joint drainage structure according to one or more embodiments of the present application.

[0034] Figure 3 is a top view of a nut seat in a seamless expansion joint drainage structure according to one or more embodiments of the present application.

[0035] Figure 4 is a front view of an edge sealing member in a seamless expansion joint drainage structure according to one or more embodiments of the present application.

[0036] Figure 5 is a top view of an edge sealing member in a seamless expansion joint drainage structure according to one or more embodiments of the present application.

[0037] Figure 6 is a schematic view of a connection of a water guide pipe and a bridge drainage main pipe in a seamless expansion joint drainage structure according to one or more embodiments of the present application.

[0038] In the drawings, the mutual spacing or dimensions are exaggerated for showing the positions of the parts, and the schematic views are merely illustrative.

[0039] In the drawings, the mutual spacing or dimensions are exaggerated for showing the positions of the parts, and the schematic views are merely illustrative.

[0040] 5-1. bottom plate, 5-2. second nut, 5-3. vertical plate;

[0041] 7-1. support plate, 7-2. first nut. DETAILED DESCRIPTION

[0042] It should be noted that the following detailed description is illustrative only and is not intended to limit the application in any way. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0043] It is to be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, components, and / or groups thereof, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.

[0044] As introduced in the background, the seamless expansion joint in the prior art does not set the waterstop and the water guide pipe and the like structure, and the problem of water seepage and falling still exists; the stress condition of the bridge body at the positions on both sides of the expansion joint is complex, so that the bridge body is easily damaged at the expansion position. In order to solve the above technical problem, the present application provides a seamless expansion joint drainage structure.

[0045] In a typical embodiment of the present application, referring to Figure 1 the seamless expansion joint drainage structure shown in the figure, the structure comprises end-side concrete members 9 located at the length direction end sides of each bridge body 11, the end-side concrete members 9 are bonded with the bridge body 11, nut seats 7 are arranged in the end-side concrete members 9, the nut seats 7 are arranged along the width direction of the bridge body 11, the waterstop 6 is supported by the end-side concrete members 19 on both sides of the expansion joint 17, the waterstop 6 is communicated with the bridge drainage main pipe 25 through the water guide pipe 12, the elastic expansion member 4 is arranged across the expansion joint and its both sides are arranged on the upper surfaces of the corresponding end-side concrete members 19, the elastic expansion member 4 presses the both sides of the waterstop 6 to the corresponding end-side concrete members 9, the first fastener detachably connects the elastic expansion member 4 and the nut seat 7, and the elastic sealing layer 3 is arranged between the elastic expansion member 4 and the bridge deck pavement layer 1.

[0046] The edge sealing member 5 is arranged in the upper half of the end-side concrete member 9 close to one side of the expansion joint 17, the edge sealing member 5 comprises a bottom plate 5-1, the bottom plate is provided with a plurality of second fasteners, the second fasteners are arranged around part of the transverse steel bars 14 in the end-side concrete member, the bottom plate 5-1 is supported by a plurality of vertical plates 5-3, and the upper surface of the edge sealing member is arranged lower than the upper surface of the end-side concrete member, so that after the drainage structure is arranged, the edge sealing members of the end-side concrete members on both sides of the expansion joint are symmetrically arranged about the vertical center of the expansion joint.

[0047] In the embodiment, the nut seat 7 is arranged in the reserved groove at the length direction end side of each bridge body, a plurality of transverse steel bars 14 are arranged in the reserved groove, the transverse steel bars 14 are arranged along the width direction of the bridge body, the reserved groove is poured with concrete to form the end-side concrete member 9 at the circumferential side of the nut seat 7, so that the end-side concrete member is integrally bonded with the bridge body in the forming process, high-performance concrete is used for pouring, and the overall performance of the expansion joint is ensured.

[0048] Referring toFigure 2 and Figure 3 As shown in the figure, the nut seat 7 comprises a support plate 7-1, the width of the support plate 7-1 is less than the width of the reserved groove, a plurality of first nuts 7-2 are arranged on the surface of the support plate 7-1 at intervals, the width of the support plate 7-1 is greater than the outer diameter of the first nut 7-2, the first nut 7-2 has a set height, a first screw hole is arranged in the first nut, and the first fastener is a first bolt 8 which is connected into the first nut through the side of the elastic expansion member;

[0049] As can be understood, the reserved groove is provided with a ring-shaped steel bar 10 which is arranged around part of the transverse steel bars 14 (specifically, two rows and two columns of transverse steel bars arranged above and below), and the ring-shaped steel bar 14 is provided with a notch, the two sides of the notch of the ring-shaped steel bar are located on the two sides of the first nut in the nut seat 7, thereby effectively enhancing the stability of the nut seat arranged in the end-side concrete member;

[0050] As can be understood, the reserved groove is also provided with a door-shaped steel bar 15 which is arranged to be bent into the two sides of the bridge beam body 11 and is provided with a transverse steel bar 14 in the corner of the two sides of the bridge beam body, the two sides of the door-shaped steel bar 15 are arranged to be deep into the bridge beam body 11, the top of the door-shaped steel bar 15 is exposed in the reserved groove, there is a set distance between the top of the door-shaped steel bar 15 and the bottom of the reserved groove, and part of the transverse steel bars (three transverse steel bars along the length direction of the bridge beam body) are arranged to be lower than the top of the door-shaped steel bar, thereby effectively enhancing the connection strength between the end-side concrete member and the bridge beam body.

[0051] As can be easily understood, the longitudinal section of the end-side concrete member 9 can be rectangular, and the height of the end-side concrete member 9 is greater than the height of the nut seat, so as to ensure the stability of the nut seat arranged in the end-side concrete member;

[0052] In the embodiment, the end-side concrete member 9 is arranged to be higher than the bridge deck pavement layer 1, so as to ensure that the upper surface of the elastic expansion member 4 can be arranged at the same height as the bridge deck pavement layer 1, the contact position between the bridge deck pavement layer 1 and the end-side concrete member 9 is filled with the existing asphalt caulking paste 2, and the height of the asphalt caulking paste 2 is arranged to be lower than the end-side concrete member 9, and the arrangement of the asphalt caulking paste can avoid water from the outside of the expansion joint from invading the expansion joint as much as possible.

[0053] It should be noted that the elastic expansion member 4 specifically adopts a rubber plate with a set thickness, and the two sides of the elastic expansion member are both provided with an elastic sealing layer 3.

[0054] In addition, the elastic sealing layer 3 is used for the transition of the elastic expansion component 4 and the bridge deck pavement layer 1, and the deformation effect is better. The material of the elastic sealing layer 3 is specifically selected from an elastic sealing agent commonly used in geotechnical engineering. The elastic sealing layer 3 covers the head of the first bolt, so that the head of the first bolt is prevented from being exposed on the bridge deck. The elastic sealing layer is also convenient and fast to remove. After removal, the first fastener can be removed relative to the nut seat.

[0055] Referring to Figure 4 and Figure 5 As shown in the figure, the horizontal section of the bottom plate 5-1 is provided with a plurality of openings, and a second nut 5-2 is arranged at each opening. The second nut is welded to the horizontal section of the bottom plate. The second fastener is an L-shaped anchor bolt 13. One end of the L-shaped anchor bolt 13 is connected with the second nut 5-2. A transverse steel bar 14 is arranged on the inner side of the longer side of the L-shaped anchor bolt. The shorter side of the L-shaped anchor bolt is attached to the bottom of the reserved groove. The shorter side of the L-shaped anchor bolt is located below a transverse steel bar (which is arranged below the top of the door-shaped steel bar) and is attached to the bottom of the reserved groove, thereby ensuring the stability of the edge sealing component arranged in the end side concrete component.

[0056] In some examples, the cross section of the bottom plate 5-1 is L-shaped, specifically an angle steel. The opening side of the bottom plate is arranged towards the nut seat direction. The bottom plate 5-1 is arranged along the width direction of the bridge girder. One side of the bottom plate is flush with the end side of the bridge girder 11 where the bottom plate is arranged. A plurality of vertical plates 5-3 are arranged in the bottom plate. The vertical plates are specifically steel plates and are welded to the bottom plate. Adjacent two vertical plates are arranged with a spacing distance. The two sides of the vertical plate are respectively welded to the bottom plate.

[0057] Referring to Figure 6 As shown in the figure, the bottom of the water guide pipe 12 is connected with the expansion compensator 21 through the elbow 20. The expansion compensator 21 is specifically an existing pipeline expansion joint. The expansion compensator 21 is connected with the bridge drainage main pipe 25 through the tee 23 (pipeline connecting piece). The top of the bridge drainage main pipe 25 is connected with the bridge deck water inlet 16. One side of the tee is connected with the bridge deck water inlet 16. The part of the bridge drainage main pipe 25 located on the bridge girder is connected with the part of the bridge drainage main pipe located on the bridge pier 22 through the downspout 24.

[0058] It can be understood that the bridge drainage main pipe 25 is fixed on the bridge pier 22 through the self-anchored pipeline clamp 18. The ground water inlet 19 is arranged on the ground. The bridge drainage main pipe 25 extends into the ground water inlet 19.

[0059] It is easily understood that, for the convenience of water walking, the middle part of the waterstop 6 (the part located at the expansion joint) is bent towards the bottom of the expansion joint, the waterstop 6 is arranged along the width direction of the bridge girder 11, and water pipes 12 are arranged on both sides of the waterstop, so that the water seeping through the expansion joint is horizontally drained to the edge of the bridge and then drained through the water pipes; the length of the water pipe is less than the height of the bridge girder.

[0060] In the embodiment, the waterstop 6 is an existing rubber waterstop, and the length of the waterstop 6 located at the end-side concrete part is greater than the width of the expansion joint, so as to ensure that the both sides of the waterstop are stably clamped by the elastic expansion member and the end-side concrete part.

[0061] The nut seat 7 is arranged for the first fastener to pass through the side of the elastic expansion member 4 and be connected with the nut seat 7, so as to fix the elastic expansion member 7, ensure the integrity of the elastic expansion member 4 and the bridge girder 11, and press the waterstop 6 through the elastic expansion member to form a seamless expansion joint. The overall structure is reasonable, the end-side concrete part 9 is bonded with the bridge girder 11, the nut seat 7 of the end-side concrete part is arranged for fixing the elastic expansion member 4, and the transverse steel bars are arranged to ensure the strength of the end-side concrete part 9, so that the structural stability of the both sides of the expansion joint is greatly improved.

[0062] The construction method of the above seamless expansion joint drainage structure includes the following contents:

[0063] The end-side concrete part 9 is arranged at each end of the bridge girder 11, the nut seat 7 and the edge sealing member 5 are arranged in the end-side concrete part along the width direction of the bridge girder during the forming of the end-side concrete part, the hollow part of the nut seat 7 can be seen from the top of the end-side concrete part 9, the edge sealing member is embedded in the upper half of the end-side concrete part close to the expansion joint, and the second fastener of the edge sealing member is arranged around part of the transverse steel bars in the end-side concrete part;

[0064] The both sides of the waterstop 6 are supported by the upper surfaces of the end-side concrete parts on both sides of the expansion joint 17;

[0065] The elastic expansion member 4 is arranged above the upper surfaces of the end-side concrete parts on both sides of the expansion joint, and the elastic expansion member covers the waterstop;

[0066] The first fastener connects the elastic expansion member 4 and the nut seat 7;

[0067] The waterstop 6 is communicated with the main drainage pipe 25 of the bridge through the water pipe 12;

[0068] The elastic sealing layer 3 is arranged between the elastic expansion member 4 and the bridge deck pavement 1.

[0069] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A seamless expansion joint drainage structure, characterized by, The end-side concrete member is arranged on the side of each bridge beam, and the end-side concrete member is bonded to the bridge beam. A nut seat is arranged in the end-side concrete member, and the nut seat is arranged along the width direction of the bridge beam. The expansion joint is supported by the end-side concrete members on both sides of the expansion joint. The water stop is communicated with the bridge drainage main pipe through the water guide pipe. The elastic expansion component is arranged across the expansion joint, and the elastic expansion component is arranged on the upper surface of the end-side concrete member on the corresponding side. The elastic expansion component is arranged on the corresponding side of the end-side concrete member. The first fastener is detachably connected to the elastic expansion component and the nut seat. The elastic sealing layer is arranged between the elastic expansion component and the bridge deck pavement.

2. A seamless expansion joint drainage structure according to claim 1, wherein, The end-side concrete member is arranged on the side of each bridge beam, and the end-side concrete member is bonded to the bridge beam. A nut seat is arranged in the end-side concrete member, and the nut seat is arranged along the width direction of the bridge beam. The expansion joint is supported by the end-side concrete members on both sides of the expansion joint. The water stop is communicated with the bridge drainage main pipe through the water guide pipe. The elastic expansion component is arranged across the expansion joint, and the elastic expansion component is arranged on the upper surface of the end-side concrete member on the corresponding side. The elastic expansion component is arranged on the corresponding side of the end-side concrete member. The first fastener is detachably connected to the elastic expansion component and the nut seat. The elastic sealing layer is arranged between the elastic expansion component and the bridge deck pavement.

3. A seamless expansion joint drainage structure according to claim 2, wherein, The end-side concrete member is arranged on the side of each bridge beam, and the end-side concrete member is bonded to the bridge beam. A nut seat is arranged in the end-side concrete member, and the nut seat is arranged along the width direction of the bridge beam. The expansion joint is supported by the end-side concrete members on both sides of the expansion joint. The water stop is communicated with the bridge drainage main pipe through the water guide pipe. The elastic expansion component is arranged across the expansion joint, and the elastic expansion component is arranged on the upper surface of the end-side concrete member on the corresponding side. The elastic expansion component is arranged on the corresponding side of the end-side concrete member. The first fastener is detachably connected to the elastic expansion component and the nut seat. The elastic sealing layer is arranged between the elastic expansion component and the bridge deck pavement.

4. A seamless expansion joint drainage structure according to claim 3, wherein, The end-side concrete member is arranged on the side of each bridge beam, and the end-side concrete member is bonded to the bridge beam. A nut seat is arranged in the end-side concrete member, and the nut seat is arranged along the width direction of the bridge beam. The expansion joint is supported by the end-side concrete members on both sides of the expansion joint. The water stop is communicated with the bridge drainage main pipe through the water guide pipe. The elastic expansion component is arranged across the expansion joint, and the elastic expansion component is arranged on the upper surface of the end-side concrete member on the corresponding side. The elastic expansion component is arranged on the corresponding side of the end-side concrete member. The first fastener is detachably connected to the elastic expansion component and the nut seat. The elastic sealing layer is arranged between the elastic expansion component and the bridge deck pavement. The end-side concrete member is arranged on the side of each bridge beam, and the end-side concrete member is bonded to the bridge beam. A nut seat is arranged in the end-side concrete member, and the nut seat is arranged along the width direction of the bridge beam. The expansion joint is supported by the end-side concrete members on both sides of the expansion joint. The water stop is communicated with the bridge drainage main pipe through the water guide pipe. The elastic expansion component is arranged across the expansion joint, and the elastic expansion component is arranged on the upper surface of the end-side concrete member on the corresponding side. The elastic expansion component is arranged on the corresponding side of the end-side concrete member. The first fastener is detachably connected to the elastic expansion component and the nut seat. The elastic sealing layer is arranged between the elastic expansion component and the bridge deck pavement.

5. A seamless expansion joint drainage structure according to claim 1, wherein, The end-side concrete member is arranged on the side of each bridge beam, and the end-side concrete member is bonded to the bridge beam. A nut seat is arranged in the end-side concrete member, and the nut seat is arranged along the width direction of the bridge beam. The expansion joint is supported by the end-side concrete members on both sides of the expansion joint. The water stop is communicated with the bridge drainage main pipe through the water guide pipe. The elastic expansion component is arranged across the expansion joint, and the elastic expansion component is arranged on the upper surface of the end-side concrete member on the corresponding side. The elastic expansion component is arranged on the corresponding side of the end-side concrete member. The first fastener is detachably connected to the elastic expansion component and the nut seat. The elastic sealing layer is arranged between the elastic expansion component and the bridge deck pavement. The end-side concrete member is arranged on the side of each bridge beam, and the end-side concrete member is bonded to the bridge beam. A nut seat is arranged in the end-side concrete member, and the nut seat is arranged along the width direction of the bridge beam. The expansion joint is supported by the end-side concrete members on both sides of the expansion joint. The water stop is communicated with the bridge drainage main pipe through the water guide pipe. The elastic expansion component is arranged across the expansion joint, and the elastic expansion component is arranged on the upper surface of the end-side concrete member on the corresponding side. The elastic expansion component is arranged on the corresponding side of the end-side concrete member. The first fastener is detachably connected to the elastic expansion component and the nut seat. The elastic sealing layer is arranged between the elastic expansion component and the bridge deck pavement.

6. A seamless expansion joint drainage structure according to claim 1, wherein, ​ ​ 7. A seamless expansion joint drainage structure according to claim 3, wherein ​ ​ 8. A seamless expansion joint drainage structure according to claim 1, wherein, ​ 9. A seamless expansion joint drainage structure according to claim 1, wherein, ​ ​ 10. The seamless expansion joint drainage structure according to claim 1, wherein, ​ ​

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