CN220665964U - Asphalt concrete bridge deck pavement edge belt drainage system - Google Patents

Abstract

The utility model relates to an asphalt concrete bridge deck pavement edge belt drainage system, which comprises: the surface drainage system structure is arranged along one side of the anti-collision wall, the surface drainage system structure comprises a drainage groove, the drainage groove is connected with the upper surface of the bridge deck pavement layer, the inner drainage system structure comprises a waterproof adhesive layer for preventing water seepage and a plastic blind ditch for guiding water, the bridge deck pavement layer comprises a concrete pavement layer, a first asphalt pavement layer and a second asphalt pavement layer which are sequentially arranged from bottom to top, and the waterproof adhesive layer is arranged between the concrete pavement layer and the first asphalt pavement layer; the plastic blind ditch is arranged between the waterproof bonding layer and the second asphalt pavement layer and is closely adjacent to the first asphalt pavement layer, and is respectively and independently drained through the surface drainage system and the internal drainage system, so that the plastic blind ditch has the advantages of being high in drainage speed, not easy to block, convenient to clean and the like.

Description

Asphalt concrete bridge deck pavement edge belt drainage system

Technical Field

The utility model relates to the technical field of bridge engineering drainage, in particular to an asphalt concrete bridge deck pavement edge belt drainage system.

Background

Bridge drainage focuses on a bridge deck drainage system, and in order to rapidly drain accumulated water on the bridge deck and prevent rainwater from stagnating on the bridge deck and penetrating into a beam body to influence traffic safety and durability of the bridge, the bridge deck needs to be provided with a complete bridge deck drainage system. Bridge floor drainage system generally all sets up in bridge deck pavement edge area, and edge area drainage system is in case inefficacy, can cause the drainage not smooth, forms very big harm, includes: the bridge deck forms a water film and even ponding, so that great potential safety hazards are brought to the driving; water permeates the bridge deck pavement layer to cause water damage, and causes diseases such as spalling, loosening, pits and the like of the pavement layer; the water further permeates the bridge structure main body to cause the corrosion of the internal reinforcing steel bars, thereby endangering the safety of the bridge structure.

In the existing bridge deck pavement edge belt drainage system, surface drainage is generally realized by arranging drainage holes at the edge of a bridge deck, and after surface water is drained to the edge of the bridge deck, the surface water is longitudinally converged to the drainage holes and then drained by a drainage pipeline; the internal drainage is usually to set up the rubble blind ditch at the layer edge below the layer of mating formation, adds to establish the layer of mating formation on the rubble blind ditch and go up the layer, and after inside rivers flow to bridge floor edge, follow vertical rubble blind ditch again and converge to the discharge opening, then discharge through the drainage pipe.

Traditional bridge deck pavement edge area drainage system, drainage speed is slow, and easy ponding causes the drainage section to encroach on partial bridge deck lane, causes driving safety accident, and the wash port often becomes the rubbish mouth after cleaning, leads to the wash port consequently and blocks up to lead to the bridge deck ponding unable timely discharge, finally increased the water damage of bridge, to setting up the rubble blind ditch, this kind of drainage mode still can trigger surface water and get into the blind ditch and aggravate the burden of blind ditch and bridge deck earth, debris jam blind ditch.

Disclosure of Invention

Based on the expression, the utility model provides the asphalt concrete bridge deck pavement edge belt drainage system, which is provided with the surface drainage system and the internal drainage system for independent drainage, has the advantages of high drainage speed, difficult blockage, convenient cleaning and the like, is simple in structure, simple and quick in construction, convenient to inspect, dredge and maintain in an operation period, and can improve the driving safety of a bridge, prevent the bridge deck pavement water damage, ensure the bridge structure safety and be widely applied to engineering.

The technical scheme for solving the technical problems is as follows: an asphalt concrete bridge deck pavement edge belt drainage system comprising: the novel anti-collision wall comprises a main beam, a bridge deck pavement layer, a collision-proof wall and a surface drainage system structure and an inner drainage system structure, wherein the surface drainage system structure is arranged on one side of the collision-proof wall, the surface drainage system structure comprises a drainage groove, the drainage groove is connected with the upper surface of the bridge deck pavement layer, the inner drainage system structure comprises a waterproof adhesive layer for preventing water seepage and a plastic blind ditch for guiding water, the bridge deck pavement layer comprises a concrete pavement layer, a first asphalt pavement layer and a second asphalt pavement layer which are sequentially arranged from bottom to top, and the waterproof adhesive layer is arranged between the concrete pavement layer and the first asphalt pavement layer; the plastic blind ditch is arranged between the waterproof bonding layer and the second asphalt pavement layer and is arranged close to the first asphalt pavement layer.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the bridge deck pavement layer is further provided with a drainage pipe system structure, the drainage pipe system structure comprises a first drainage pipe and a second drainage pipe, the first drainage pipe is connected with the surface drainage system structure, and the second drainage pipe is connected with the internal drainage system structure.

Further, the water drainage tank comprises an upper cover plate and a lower tank body, the section of the tank body is of a U-shaped structure, the cover plate is connected with the tank body in a buckling mode, and the top surface of the cover plate is lower than the second asphalt pavement layer.

Further, a concrete structure can be arranged around the drainage groove, a water guide opening is arranged at the bottom of the groove body, and the first water drain pipe is connected with the groove body through the water guide opening.

Further, the plastic blind ditch is of a porous structure, the plastic blind ditch is of a cuboid rectangular structure and comprises a core body and a filter membrane, the core body is of a three-dimensional net structure, and the filter membrane is wrapped outside the core body.

Further, the plastic blind drain is provided with water draining holes at intervals at the lower part, the water draining holes are formed in the concrete pavement layer, the water draining holes are of round structures, and the diameter of the water draining holes is smaller than the width and the length of the core body.

Further, the waterproof bonding layer is arranged between the anti-collision wall and the concrete structure, and the waterproof bonding layer is also arranged at the lower part of the drainage groove.

Further, the water guide opening position corresponds to the first drain pipe installation position.

Further, the bridge deck pavement layer, the surface drainage system structure and the internal drainage system structure are all arranged on the upper portion of the main beam, the drainage pipe system structure penetrates through the main beam to be arranged, and the first drainage pipe and the second drainage pipe are connected into the external drainage system together.

Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:

1. the bridge deck pavement edge belt drainage system is provided with the surface drainage system and the internal drainage system, so that the two parts are respectively and independently drained, the bridge deck pavement surface drainage speed is increased, the water infiltration amount is reduced, the infiltration is effectively eliminated, and the overall drainage effect is greatly improved; and through setting up the infiltration of the surface of the face of mating formation part down and converging into the french drain through setting up independent inside drainage system, both considered the drainage rate of water drainage tank and about be greater than the french drain, can accelerate the drainage rate of surface water through setting up plastics french drain, also considered simultaneously that surface water flow is big, liquid level is high, pressure is big during the rainfall, through setting up inside drainage system and independent drainage pipe system structure, prevent to mating formation the surface infiltration of face down and permeate between the layers through the french drain, be favorable to prolonging the life that the bridge floor was mated formation.

2. This bridge deck pavement edge area drainage system is through adopting U type water drainage tank and apron, plastic core and filter membrane, and site operation is fast, and green, material durable has not only simplified bridge deck pavement layer construction, and the drainage performance is relatively better moreover to improve bridge's driving safety, prevent bridge deck pavement water damage, guarantee bridge structure safety, and simple structure, construction convenience are fast, can widely use in the engineering.

3. The drainage blind ditch of the internal drainage system adopts a plastic blind ditch to replace the traditional broken stone blind ditch, and the plastic blind ditch is a novel composite geotechnical drainage material and has the advantages of high aperture ratio, strong compression resistance, good durability, convenient construction and the like.

Drawings

FIG. 1 is a flow chart of bridge floor drainage provided by an embodiment of the utility model;

FIG. 2 is a schematic diagram of the installation of a U-shaped drainage channel and a plastic blind drain provided by the embodiment of the utility model;

FIG. 3 is a schematic structural view of an asphalt concrete bridge deck pavement edge belt drainage system according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a U-shaped drain tank according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a plastic blind ditch according to an embodiment of the present utility model;

in the drawings, the list of components represented by the various numbers is as follows:

1. a main beam; 2. a bridge deck pavement layer; 21. a concrete pavement layer; 22. a first asphalt pavement layer; 23. the second asphalt pavement layer; 24. a flexible adhesive; 3. an anti-collision wall; 4. a surface drainage system structure; 41. a drainage channel; 411. a cover plate; 412. a tank body; 413. a water guide port; 5. an internal drainage system structure; 51. a waterproof adhesive layer; 52. a plastic blind drain; 521. a core; 522. a filter membrane; 523. a water discharge hole; 6. a drain pipe system structure; 61. a first drain pipe; 62. a second drain pipe; 7. a concrete structure.

Detailed Description

In order to facilitate an understanding of the present application, a more complete description of the present application will now be provided with reference to the relevant figures. Examples of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, 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. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", "surrounding", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the construction referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-5, the present embodiment provides an asphalt concrete bridge deck pavement edge zone drainage system, comprising: the main beam 1, the bridge deck pavement layer 2, the anti-collision wall 3, the surface drainage system structure 4 and the internal drainage system structure 5 are arranged on the bridge deck pavement layer 2;

the surface drainage system structure 4 is arranged along one side of the anti-collision wall 3, the surface drainage system structure 4 comprises a drainage groove 41, the drainage groove 41 is connected with the upper surface of the bridge deck pavement layer 2, the internal drainage system structure 5 comprises a waterproof adhesive layer 51 for water seepage and a plastic blind ditch 52 for water diversion, the bridge deck pavement layer 2 comprises a concrete pavement layer 21, a first asphalt pavement layer 22 and a second asphalt pavement layer 23 which are sequentially arranged from bottom to top, and the waterproof adhesive layer 51 is arranged between the concrete pavement layer 21 and the first asphalt pavement layer 22; the plastic blind drain 52 is disposed between the waterproof adhesive layer 51 and the second asphalt pavement layer 23, and is disposed adjacent to the first asphalt pavement layer 22. The bridge deck pavement layer 2 is further provided with a drainage pipe system structure 6, the drainage pipe system structure 6 comprises a first drainage pipe 61 and a second drainage pipe 62, the first drainage pipe 61 is connected with the surface drainage system structure 4, and the second drainage pipe 62 is connected with the internal drainage system structure 5. The first asphalt pavement layer 22 and the second asphalt pavement layer 23 may be the same or different according to the specific construction materials, and only indicate that the sequence of the construction steps is different. The drainage system for the bridge deck pavement edge belt comprises a surface drainage system structure 4, an inner drainage system structure 5 and a drainage pipe system structure 6, wherein compared with the traditional drainage system for the bridge deck pavement edge belt, the surface drainage system structure 4 and the inner drainage system structure 5 of the drainage system for the bridge deck pavement edge belt are provided with two independent drainage pipe systems, namely, the drainage functions of the two drainage systems are separated, and the drainage systems are independent drainage, referring to fig. 1, the surface rainwater of an asphalt pavement layer comprises a part of surface water and a part of lower water seepage, and flows along the direction of the composite gradient of the bridge deck, namely, flows along the direction of the collision-proof wall 3 on one side or two sides of the bridge deck, the surface water is drained through the U-shaped drainage groove 41 and the first drainage pipe 61, and the lower water seepage is drained through the plastic blind ditch 52 and the second drainage pipe 62, and the drainage groove 41 and the plastic blind ditch 52 are both arranged along the longitudinal direction of the bridge deck so as to ensure that the rainwater along the length direction of the bridge deck can be timely drained; the surface drainage system structure 4 and the internal drainage system structure 5 can accelerate the surface drainage speed of bridge deck pavement, reduce the infiltration amount of water, effectively drain infiltration, and greatly improve the drainage effect; the independent drainage pipeline is favorable for accelerating the drainage speed of the water on the surface of the bridge deck, reduces the drainage effect of the surface drainage system structure 4 and the drainage pipeline thereof due to the blockage of foreign matters and simultaneously influences the internal drainage system structure 5, and is favorable for prolonging the service life of the bridge deck pavement.

Preferably, the drain tank 41 includes an upper cover 411 and a lower tank 412, the section of the tank 412 is in a U-shaped structure, the cover 411 is connected with the tank 412 by a buckle, and the top surface of the cover 411 is lower than the second asphalt pavement layer 23. Preferably, the top surface of the cover 411 is lower than the top surface of the formed second asphalt pavement layer 23 by 5mm, so that the water can be smoothly discharged. The drainage tank 41 is used for conducting water and draining water, has the advantages of quick drainage, difficult blockage, convenient cleaning and reduced accumulated water on road surfaces, and the upper cover plate 411 can prevent surface water from entering the drainage tank 41 to increase the burden of the drainage tank 41 and prevent road surface soil and sundries from blocking the drainage tank 41; the drain groove 41 may use prefabricated resin concrete.

In this embodiment, a concrete structure 7 may be disposed around the drainage tank 41, a water guiding opening 413 is disposed at the bottom of the tank 412, and the first drain pipe 61 is connected to the tank 412 through the water guiding opening 413.

Preferably, referring to fig. 5, the plastic blind drain 52 has a porous structure, the plastic blind drain 52 has a rectangular structure, the plastic blind drain 52 includes a core 521 and a filter 522, the core 521 has a three-dimensional mesh structure, and the filter 522 is wrapped outside the core 521. It should be noted that, the plastic blind drain 52 adopts a rectangular structure, and mainly has good pressure resistance on the premise of guaranteeing drainage capacity, so that the plastic blind drain 52 can guarantee normal drainage when bearing load, and is beneficial to construction without adding other filling materials; the plastic blind drain 52 has a unique three-dimensional net structure, has a higher surface opening ratio which can reach more than 85%, has higher surface water absorption and good water collection performance; because of the large void ratio, the water flow has small passing resistance and has high drainage capacity. The filter membrane 522 outside the plastic blind ditch 52 can be composed of non-woven fabrics and nylon silk screens, and the filter membrane 522 can meet the effects of retaining soil, keeping drainage smooth and preventing clogging. The plastic blind drain 52 has a light specific gravity, is convenient to install on site, and can greatly accelerate the construction efficiency.

In this embodiment, drain holes 523 are disposed at intervals at the lower portion of the plastic blind drain 52, the drain holes 523 are disposed inside the concrete pavement layer 21, the drain holes 523 have a circular structure, and the diameter of the drain holes 523 is smaller than the width and the length of the core 521. Wherein, the top surface of the drain hole 523 is lower than the top surface of the concrete pavement layer 21 by 5mm, which is beneficial to smooth internal drainage. The bridge deck pavement layer 2 is penetrated into the surface of the waterproof adhesive layer 51, is penetrated into the plastic blind ditch 52, and is discharged into the second drain pipe 62 through the drain hole 523. That is, subsurface water seepage may enter the second drain pipe 62 through the plastic blind drain 52 or directly into the drain hole 523.

Referring to fig. 2 and 3, in the construction process of the bridge deck pavement edge belt drainage system, the first drain pipe 61 and the second drain pipe 62 are pre-buried at designed positions when the main beam 1 and the concrete pavement layer 21 are constructed. The bridge deck pavement edge belt drainage system adopts the prefabricated drainage tank 41, the cover plate 411, the plastic core 521 and the filter membrane 522, is high in site construction speed, green and environment-friendly, is durable in material, simplifies the construction of the bridge deck pavement layer 2, is good in drainage performance, improves the driving safety of a bridge, prevents the bridge deck pavement water damage, ensures the bridge structure safety, is simple in structure, convenient and quick to construct, and can be widely applied in engineering.

The plastic blind ditch 52 is adopted to replace the traditional broken stone blind ditch, and the plastic blind ditch 52 is a novel composite geotechnical drainage material and has the advantages of high aperture ratio, strong compression resistance, good durability, convenient construction and the like; and the broken stone blind ditch is easy to block, and the independent drainage is designed, so that the device has the advantages of high drainage speed, difficult blocking, convenient cleaning and the like.

In this embodiment, the waterproof adhesive layer 51 is disposed between the anti-collision wall 3 and the concrete structure 7, and the waterproof adhesive layer 51 is also disposed at the lower portion of the drainage channel 41. That is, the waterproof adhesive layer 51 is disposed on the top surface of the concrete pavement layer 21, the curb or the side elevation of the anti-collision wall 3; and the waterproof adhesive layer 51 adopts a drainage paint special for roads and bridges, and the material performance index of the waterproof adhesive layer meets the road paint standard.

In this embodiment, the opening position of the water guide 413 corresponds to the installation position of the first drain pipe 61.

The bridge deck pavement layer 2, the surface drainage system structure 4 and the internal drainage system structure 5 are all arranged on the upper portion of the main beam 1, the drainage pipe system structure 6 is arranged through the main beam 1, and the first drainage pipe 61 and the second drainage pipe 62 are connected into an external drainage system together.

The embodiment also provides a construction method for the asphalt concrete bridge pavement edge belt drainage system, which comprises the following steps:

s1, in the construction process of a bridge deck pavement edge belt drainage system, when the main beam 1 and the concrete pavement layer 21 are constructed, the first drain pipe 61 and the second drain pipe 62 are pre-buried in designed positions, and the top surface of the drain hole 523 is 5mm lower than the top surface of the concrete pavement layer 21;

s2, constructing a waterproof bonding layer 51 on the top surface of the concrete pavement layer 21 and the side elevation of the anti-collision wall 3, wherein the waterproof bonding layer 51 adopts a drainage paint special for roads and bridges;

s3, paving the first asphalt pavement layer 22, and forming the total width required by the bridge deck pavement edge zone drainage system in a sawing mode;

s4, after the construction of the first asphalt pavement layer 22, before the construction of the second asphalt pavement layer 23, transversely placing I-steel on the waterproof adhesive layer 51, paving the I-steel to form the width required by the bridge deck pavement edge zone surface drainage system structure 4, wherein the I-steel is set to be the total thickness of the upper layer and the lower layer of the asphalt pavement layer, and the I-steel is fixed to be an outer mold by using a curb or an anti-collision wall 3 as a support;

s5, adopting geotextile as the filter membrane 522 of the plastic blind ditch 52, wrapping the outer surface of the core 521 by the filter membrane 522, and installing the core 521 in a blind ditch, wherein the top surface of the wrapped core 521 is flush with the top surface of the first asphalt pavement layer 22 to form a longitudinal blind ditch; the drain holes 523 are arranged at intervals at the lower part of the core 521;

s6, coating a layer of isolating agent for preventing asphalt from bonding on the I-steel by leaning against the top surface of the first asphalt pavement layer 22; then paving the second asphalt pavement layer 23, dismantling the I-steel after the second asphalt pavement layer 23 is constructed, and reserving a space for constructing the drainage tank 41;

s7, in the side groove after construction is completed, drawing and marking the edge line of the water drainage groove 41 by prefabricated resin concrete, paving a layer of 10mm flexible mortar, leveling, brushing 2mm flexible adhesive 24 on the flexible mortar, and mounting the water drainage groove 41; the drainage groove 41 is to be installed flatly and closely, the longitudinal slope is smooth, and the top surface of the cover plate 411 is ensured to be 5mm lower than the top surface of the formed second asphalt pavement layer 23, so that the drainage is smooth;

s8, brushing a flexible adhesive 24 with the thickness of 2mm on the surface of the waterproof bonding layer 51 on the concrete pavement layer 21 to the gaps among the drainage groove 41, the anti-collision wall 3 and the bridge pavement layer 2, and then caulking; the gap between the drainage groove 41 and the anti-collision wall 3 is filled with flexible mortar, and the gap between the drainage groove 41 and the first asphalt pavement layer 22 and the gap between the drainage groove 41 and the second asphalt pavement layer 23 are filled with the permeable concrete structure 7; the joint filling at two sides is to be compact and symmetrically carried out; the drain hole 523 of the drain tank 41 is not offset from the inlet pair of the first drain pipe 61;

and S9, installing the cover plate 411 at the upper part of the drainage groove 41, wherein the cover plate 411 and the groove 412 are connected and fixed by adopting an anti-theft buckle, so that the bridge deck pavement edge belt drainage system is installed and constructed.

In summary, the bridge deck pavement edge belt drainage system is provided with the surface drainage system structure 4 and the internal drainage system structure 5, so that the two parts are respectively and independently drained, the surface drainage speed of the bridge deck pavement is increased, the infiltration amount of water is reduced, infiltration is effectively eliminated, and the overall drainage effect is greatly improved; and through setting up the infiltration of the surface of the face of mating formation a part down and converging into the blind ditch through setting up independent inside drainage system structure 5, both considered drainage rate of water drainage tank 41 and about be greater than the blind ditch drainage, can accelerate the drainage rate of surface water through setting up plastics blind ditch 52, also considered simultaneously that surface water flow is big, the liquid level is high, pressure is big during the rainfall, through setting up inside drainage system structure 5 and independent drainage pipe system structure 6, prevent the surface infiltration of mating formation under the surface and permeate between the layer through the blind ditch, be favorable to prolonging the life of bridge floor pavement. This bridge deck pavement edge area drainage system is through adopting U type water drainage tank 41 and apron 411, plastic core 521 and filter membrane 522, and site operation is fast, and green, the material durable has not only simplified bridge deck pavement layer 2 construction, and drainage performance is better moreover to improve bridge's driving safety, prevent bridge deck pavement water damage, ensure bridge structure safety, and simple structure, construction convenience are quick, can widely use in the engineering. The drainage blind ditch of the internal drainage system structure 5 adopts the plastic blind ditch 52 to replace the traditional broken stone blind ditch, and the plastic blind ditch 52 is a novel composite geotechnical drainage material and has the advantages of high aperture ratio, strong compression resistance, good durability, convenient construction and the like.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (9)

1. An asphalt concrete bridge deck pavement edge belt drainage system, comprising: the novel anti-collision wall comprises a main beam, a bridge deck pavement layer, a collision-proof wall and a surface drainage system structure and an inner drainage system structure, wherein the surface drainage system structure is arranged on one side of the collision-proof wall, the surface drainage system structure comprises a drainage groove, the drainage groove is connected with the upper surface of the bridge deck pavement layer, the inner drainage system structure comprises a waterproof adhesive layer for preventing water seepage and a plastic blind ditch for guiding water, the bridge deck pavement layer comprises a concrete pavement layer, a first asphalt pavement layer and a second asphalt pavement layer which are sequentially arranged from bottom to top, and the waterproof adhesive layer is arranged between the concrete pavement layer and the first asphalt pavement layer; the plastic blind ditch is arranged between the waterproof bonding layer and the second asphalt pavement layer and is arranged close to the first asphalt pavement layer.

2. The asphalt concrete bridge deck pavement edge belt drainage system of claim 1, wherein the bridge deck pavement layer is further provided with a drainage pipe system structure comprising a first drainage pipe connected to the surface drainage system structure and a second drainage pipe connected to the internal drainage system structure.

3. The asphalt concrete bridge deck pavement edge belt drainage system of claim 2, wherein the drainage tank comprises an upper cover plate and a lower tank body, the section of the tank body is of a U-shaped structure, the cover plate is in snap connection with the tank body, and the top surface of the cover plate is lower than the second asphalt pavement layer.

4. A asphalt concrete bridge deck pavement edge belt drainage system according to claim 3, wherein a concrete structure can be arranged around the drainage channel, a water guide port is arranged at the bottom of the channel body, and the first water drain pipe is connected with the channel body through the water guide port.

5. The asphalt concrete bridge deck pavement edge belt drainage system according to claim 1, wherein the plastic blind ditch is of a porous structure, the plastic blind ditch is of a cuboid rectangular structure, the plastic blind ditch comprises a core body and a filter membrane, the core body is of a three-dimensional net structure, and the filter membrane is wrapped outside the core body.

6. The asphalt concrete bridge deck pavement edge belt drainage system according to claim 5, wherein drainage holes are formed in the lower portion of the plastic blind ditch at intervals, the drainage holes are formed in the concrete pavement layer, the drainage holes are of a circular structure, and the diameter of the drainage holes is smaller than the width and the length of the core body.

7. The asphalt concrete bridge deck pavement edge belt drainage system according to claim 4, wherein the waterproof bonding layer is arranged between the anti-collision wall and the concrete structure, and the waterproof bonding layer is also arranged at the lower part of the drainage groove.

8. The asphalt concrete bridge deck pavement edge belt drainage system of claim 4, wherein the water guide opening position corresponds to the first water drain pipe installation position.

9. The asphalt concrete bridge deck pavement edge belt drainage system according to claim 2, wherein the bridge deck pavement layer, the surface drainage system structure and the internal drainage system structure are all arranged on the upper portion of the main beam, the drainage pipe system structure is arranged through the main beam, and the first drainage pipe and the second drainage pipe are connected into the external drainage system together.