CN113215905A

CN113215905A - High-strength road structure

Info

Publication number: CN113215905A
Application number: CN202110492082.6A
Authority: CN
Inventors: 刘愉; 高尚聪; 覃翔; 杨方伟; 夏永峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2021-08-06

Abstract

The invention discloses a high-strength road structure, belonging to the field of construction engineering, comprising a roadbed, wherein a cement base layer is poured at the upper end of the roadbed, a water seepage layer is fixedly connected at the upper end of the cement base layer, the water seepage layer comprises a drainage arch and a permeable concrete layer, a plurality of drainage arches are arranged at equal intervals, the road has no defect of a deflection basin of a flexible road surface through rigid support of the cement base layer, the mechanism of the road surface is softer through arrangement of an asphalt bottom layer and an asphalt surface layer, the comfort during vehicle running is improved, the crack resistance of the asphalt bottom layer and the asphalt surface layer is effectively improved through arrangement of a reinforcing net, rapid seeping water on the asphalt surface layer can be seeped through arrangement of the reinforcing net, the drainage effect of the road surface is ensured, the permeable concrete layer forms the water seepage layer on the outer wall of the drainage arch through arrangement of the drainage arch, and seeping water on the road surface through the water seepage layer, the auxiliary road surface drainage further improves the drainage effect of the road surface.

Description

High-strength road structure

Technical Field

The invention relates to the field of construction engineering, in particular to a high-strength road structure.

Background

The road is a facility for various trackless vehicles and pedestrians to pass through. The road can be divided into a road, an urban road, a rural road, an industrial road, a forestry road, an examination road, a competition road, an automobile test road, a workshop channel, a school road and the like according to the use characteristics. Most of common roads have high strength requirements because trackless vehicles are allowed to pass through the roads, and most of the common roads are paved by directly adopting cement or concrete.

In the prior art, the operation economy of a cement concrete rigid pavement is far higher than that of a flexible pavement, but the cement concrete pavement has poor vibration damping effect and high noise, the comfort of vehicles in running on the pavement is influenced, the permeation and drainage of the pavement are not smooth, and a roadbed can generate a cavity under the scouring of water flow, so that the vehicles on the pavement are easy to form structural damage such as broken plates, broken edges, broken angles and the like in overload running, the cement concrete pavement has high strength, and even if the broken plates are damaged, the hardness is still high, so that the maintenance is difficult.

Disclosure of Invention

The invention aims to provide a high-strength road structure, which effectively improves the bearing capacity of a cement base layer and ensures the structural firmness of a road.

In order to solve the problems, the invention adopts the following technical scheme:

the utility model provides a high strength road structure, includes the road bed, cement base has been pour to the upper end of road bed, and cement base's upper end fixedly connected with water seepage layer, the water seepage layer includes that the drainage encircles and the concrete layer that permeates water, and the drainage encircles equidistant and be provided with a plurality ofly, the concrete layer that permeates water pours the outer wall that encircles at the drainage, and the upper end of the concrete layer that permeates water levels, the upper end of the concrete layer that permeates water flushes with the upper end that the drainage encircles, the upper end fixedly connected with bottom fixed network of water seepage layer, and the bottom fixed network upper berth is equipped with the pitch bottom, the reinforcing mesh has been buried underground in the pitch bottom, and the pitch surface course has been laid to the top of pitch bottom.

As a preferable scheme of the present invention, the reinforcing mesh includes a plurality of reinforcing connecting rods, a plurality of supporting connecting rods, and a high strength nylon fiber rope, wherein the plurality of reinforcing connecting rods are uniformly fixed to each of the plurality of reinforcing connecting rods, the plurality of reinforcing connecting rods are connected by weaving and winding the high strength nylon fiber rope, and the high strength nylon fiber rope is disposed at a center between adjacent supporting connecting rods.

As a preferred scheme of the present invention, the support connecting rod includes an extrusion end and a connecting table, the bottom fixing net is a square grid net, the extrusion end is a round table structure with a downward small end, the lower end of the extrusion end is inserted into a square grid on the bottom fixing net, the upper end of the outer wall of the connecting table is provided with a reinforcing convex ring, and the center of the support connecting rod is provided with a water seepage core.

As a preferred scheme of the present invention, the drainage arch is a semicircular plate structure, a drainage channel is arranged in a semicircular inner ring of the drainage arch, an arch-shaped reinforcing bar is embedded in the drainage arch, the lower end of the arch-shaped reinforcing bar penetrates through the lower side of the drainage arch, a connection hole is reserved at the upper end of the cement base layer, and the lower end of the arch-shaped reinforcing bar is inserted into the connection hole.

As a preferable scheme of the present invention, the outer wall of the drainage arch is uniformly provided with a plurality of connecting grooves, and the lower ends of both sides of the drainage arch are provided with water guiding openings.

As a preferred scheme of the invention, drainage ditches are arranged on two sides of the upper end of the cement base layer, water-retaining strips are arranged on two sides of the upper end of the cement base layer corresponding to the water seepage layer, and the upper ends of the water-retaining strips are fixedly connected with an interception grating.

As a preferred scheme of the invention, the cement base layer and the water seepage layer are both formed by casting in sections, and a base layer steel bar frame is embedded in each section of the cement base layer.

According to a preferable scheme of the invention, the front centers of each section of the cement base layer and the water seepage layer are respectively provided with a base layer connecting groove and a water seepage connecting groove, the back sides of the cement base layer and the water seepage layer are respectively poured and formed with a base layer connecting block and a water seepage connecting block, the base layer connecting groove is matched with the base layer connecting block, and the water seepage connecting groove is matched with the water seepage connecting block.

In a preferable scheme of the invention, a waterproof mortar layer is laid between the roadbed and the cement base layer, and both surfaces of the cement base layer are rough surfaces.

In a preferred embodiment of the present invention, an epoxy resin layer is coated on a surface of the upper end of the cement-based layer corresponding to the water-permeable layer, and an adhesive is coated on a surface of the epoxy resin layer facing the water-permeable layer.

Compared with the prior art, the invention has the advantages that:

(1) this scheme is through setting up the cement-based layer, fill up on the road bed through the cement-based layer, rigid support through the cement-based layer, make the road do not have the drawback of the deflection basin on flexible road surface, through setting up asphalt bottom and asphalt surface course, make the mechanism on road surface softer, improve the travelling comfort when the vehicle traveles, through setting up the reinforcing mat, the anti-crack of asphalt bottom and asphalt surface course can effectively be improved, and the setting of reinforcing mat can seep down the ponding on the asphalt surface course fast, the drainage effect on road surface has been guaranteed, arch through setting up the drainage, make the outer wall that the concrete layer that permeates water was encircleed at the drainage form the infiltration layer, and seep down through the ponding on the infiltration layer with the road surface, supplementary road surface drainage, the drainage effect on road surface has further been improved.

(2) This scheme is through waterproof mortar layer and the epoxy layer after setting up, and the road bed that has effectively avoided cement basic unit to ooze water and lead to is washed not hard up, has improved the structural stability of road bed, through the drainage channel who sets up for rivers in the water seepage layer can assemble smooth and easy discharge in the drainage channel, have improved drainage rate.

(3) Through setting up infiltration spread groove and basic unit's spread groove, make things convenient for the segmentation construction of road, guaranteed the firm in connection degree between every section road when the segmentation construction, convenient construction, through basic unit's steel reinforcement frame and the arch reinforcing bar that sets up, effectively improved the structural strength that cement basic unit and drainage were encircleed, guaranteed the compressive capacity of road.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a side cross-sectional view of the present invention;

FIG. 4 is a front cross-sectional view of the present invention;

FIG. 5 is a perspective view of the drainage arch of the present invention;

FIG. 6 is a perspective view of a reinforcing mesh in accordance with the present invention;

FIG. 7 is a local side view of a reinforcing mesh in accordance with the present invention;

fig. 8 is a top view of a reinforcing mesh in accordance with the present invention.

The reference numbers in the figures illustrate:

1. a roadbed; 2. a waterproof mortar layer; 3. a cement base layer; 4. a water seepage layer; 5. a net is fixed at the bottom; 6. an asphalt bottom layer; 7. an asphalt surface layer; 8. a reinforcing mesh; 9. intercepting a grating; 10. a drainage arch; 11. a pervious concrete layer; 12. an epoxy resin layer; 13. a drainage ditch; 14. a drainage channel; 15. a water guide port; 16. water seepage connecting grooves; 17. a base layer steel bar frame; 18. a base layer connecting groove; 19. a reinforcing connecting rod; 20. a support link; 21. high strength nylon fiber ropes; 22. an extrusion end; 23. a connecting table; 24. arched reinforcing steel bars; 25. a water-retaining strip; 26. a connecting groove; 27. a water seepage connecting block; 28. a base layer connecting block; 29. a water-permeable core.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1 to 8, a high-strength road structure includes a roadbed 1, a cement base layer 3 is poured on the upper end of the roadbed 1, a water seepage layer 4 is fixedly connected to the upper end of the cement base layer 3, the water seepage layer 4 includes a drainage arch 10 and a plurality of water-permeable concrete layers 11, the drainage arch 10 is arranged at equal intervals, the water-permeable concrete layers 11 are poured on the outer wall of the drainage arch 10, the upper end of the water-permeable concrete layers 11 is flat, the upper end of the water-permeable concrete layers 11 is flush with the upper end of the drainage arch 10, a bottom fixing net 5 is fixedly connected to the upper end of the water seepage layer 4, an asphalt bottom layer 6 is laid on the bottom fixing net 5, a reinforcing net 8 is embedded in the asphalt bottom layer 6, and an asphalt surface layer 7 is laid above the asphalt bottom layer 6.

Specifically, reinforcing mesh 8 is including strengthening connecting rod 19, supporting connection pole 20 and high strength nylon fiber rope 21, and strengthening connecting rod 19 is provided with a plurality ofly, and evenly fixes a plurality of supporting connection poles 20 on every strengthening connecting rod 19, weaves the winding connection through high strength nylon fiber rope 21 between a plurality of strengthening connecting rods 19, and high strength nylon fiber rope 21 sets up the center department between adjacent supporting connection pole 20.

In this embodiment, the brace rod 20 is fixed through the brace rod 19, guarantee that a plurality of brace rod 20's direction is the same, connect a plurality of brace rod 19 through high strength nylon fiber rope 21, when guaranteeing 8 structural strength of reinforcing net, make reinforcing net 8 can the rolling, made things convenient for the transportation and the laying of reinforcing net 8, effectively reduced the construction degree of difficulty, construction time has been saved, and the process of weaving can directly accomplish the batch production that has made things convenient for reinforcing net 8 through the machine, thereby convenient to popularize and use.

Specifically, support connecting rod 20 includes crowded end 22 and connection platform 23, and bottom fixed network 5 is square grid net, and crowded end 22 is tip round platform shape structure down, and in the lower extreme of crowded end 22 inserted the square on the fixed network 5 of bottom, the outer wall upper end of connection platform 23 was equipped with the enhancement bulge loop, and the center of support connecting rod 20 has been seted up and has been oozed water core 29.

In this embodiment, the surface course on road surface has been constituteed to bituminous bottom 6 and bituminous surface course 7, bury the connecting rod 20 lower extreme in bituminous bottom 6 through crowded end 22, flush with bituminous surface course 7 through connecting platform 23, can be when bituminous bottom 6 and bituminous surface course 7 atress extrusion, effectively avoid bituminous bottom 6 and bituminous surface course 7's deformation, the structural strength of the surface course that bituminous bottom 6 and bituminous surface course 7 constitute has effectively been improved, and make reinforcing mat 8 can be with the pressurized homodisperse on road surface, the structural strength of reinforcing mat 8 has effectively been improved.

Specifically, the drainage arch 10 is of a semicircular plate-shaped structure, a drainage channel 14 is formed in a semicircular inner ring of the drainage arch 10, an arch-shaped reinforcing steel bar 24 is embedded in the drainage arch 10, the lower end of the arch-shaped reinforcing steel bar 24 penetrates through the lower side of the drainage arch 10, a connecting hole is reserved in the upper end of the cement base layer 3, and the lower end of the arch-shaped reinforcing steel bar 24 is inserted into the connecting hole.

In this embodiment, through setting up arch reinforcing bar 24 for drainage encircles 10's location and simple to operate, and has effectively avoided drainage to encircle 10 and misplace with cement-based layer 3 when receiving the extrusion, has improved the fastness of water seepage layer 4 structure.

Specifically, the outer wall of the drainage arch 10 is uniformly provided with a plurality of connecting grooves 26, and the lower ends of the two sides of the drainage arch 10 are provided with water guiding openings 15.

In this embodiment, through setting up connecting grooves 26 for pervious concrete layer 11 pours the shaping back and connecting grooves 26 gomphosis, thereby guarantees the structural strength who is connected between pervious concrete layer 11 and the drainage arch 10, has guaranteed the life of infiltration layer 4.

Specifically, the drainage ditch 13 has been seted up to the upper end both sides of cement base layer 3, and the both sides that the cement base layer 3 upper end corresponds water seepage layer 4 are provided with water blocking strip 25, and the upper end fixedly connected with interception grid 9 of water blocking strip 25.

In this embodiment, through setting up water bar 25 for the moisture that oozes down in the water seepage layer 4 can partially remain in water bar 25, keeps the moist of water seepage layer 4, and moist environment can effectively improve and avoid the dry fracture of water seepage layer 4, guarantees the normal use of water seepage layer 4.

Specifically, the cement base layer 3 and the water seepage layer 4 are poured and formed in sections, and a base steel bar frame 17 is buried in each section of the cement base layer 3.

In this embodiment, pour the shaping through the segmentation, made things convenient for the construction of road, effectively improved cement base layer 3's structural strength through the basic unit reinforcing bar frame 17 that sets up, improved cement base layer 3's pressure-bearing ability to the life and the structural strength of road have been improved.

Specifically, the front center of each section of cement-based layer 3 and the water seepage layer 4 is respectively provided with a base connecting groove 18 and a water seepage connecting groove 16, the back sides of the cement-based layer 3 and the water seepage layer 4 are respectively poured to form a base connecting block 28 and a water seepage connecting block 27, the base connecting groove 18 is matched with the base connecting block 28, and the water seepage connecting groove 16 is matched with the water seepage connecting block 27.

In this embodiment, through the basic unit spread groove 18 and the basic unit connecting block 28 phase-match that set up, infiltration spread groove 16 and infiltration connecting block 27 phase-match for cement basic unit 3 and water seepage layer 4 are under the segmentation construction back, and inseparabler that can combine between the adjacent construction section has effectively improved the structural strength of road, avoids the later stage to ftracture in the junction, has improved the life of road.

Specifically, a waterproof mortar layer 2 is laid between the roadbed 1 and the cement base layer 3, and both sides of the cement base layer 3 are rough surfaces.

In this embodiment, through the waterproof mortar layer 2 of laying, avoid rivers to stretch into road bed 1 to it is loose to avoid road bed 1 to be washed out by rivers and soak the 1 structure of road bed that leads to, has guaranteed road bed 1's stable in structure, has improved the structural strength of road and the life of road.

Specifically, one surface of the upper end of the cement-based layer 3, which corresponds to the water seepage layer 4, is coated with an epoxy resin layer 12, and one surface of the epoxy resin layer 12, which faces the water seepage layer 4, is coated with a binder.

In this embodiment, effectively reduce ponding in the water seepage layer 4 through the epoxy layer 12 that sets up and stretch into cement base course 3 in, effectively prolonged cement base course 3's life.

The working principle is as follows: when a road is paved, firstly, a roadbed 1 is leveled, then the roadbed 1 is compacted, a waterproof mortar layer 2 is paved on the roadbed 1, after the waterproof mortar layer 2 is dried, a cement base layer 3 is poured on the waterproof mortar layer 2, after the cement base layer 3 is dried, an epoxy resin layer 12 is coated on the upper end of the cement base layer 3, after the epoxy resin layer 12 is dried, an arch-shaped reinforcing steel bar 24 at the lower end of a drainage arch 10 is aligned with a connecting hole on the cement base layer 3 to be inserted and fixed, then a permeable concrete layer 11 is poured on the outer side of the drainage arch 10, a bottom fixing net 5 is arranged on the upper end of the permeable concrete layer 11 before the permeable concrete layer 11 is dried, after multiple times of segmental construction, a base layer of the road is formed, then an asphalt bottom layer 6 is paved on the road base layer, after the asphalt bottom layer 6 is paved, an extrusion end 22 of a reinforcing net 8 is paved on the asphalt bottom layer 6 downwards while the asphalt bottom layer 6 is molten, the reinforcing net 8 is pressed into the asphalt bottom layer 6 through the road roller, the reinforcing net 8 is pressed and leveled, then a layer of asphalt surface layer 7 is laid on the asphalt bottom layer 6, finally, the asphalt bottom layer 6 and the asphalt surface layer 7 are leveled through multiple rolling of the road roller, the upper layer of the asphalt surface layer 7 is polished through the polisher, the upper end of the water seepage core 29 on the reinforcing net 8 is exposed, when a vehicle runs on the road surface, the pressure of the wheel is dispersed through the reinforcing net 8 and then transmitted to the upper end of the water seepage layer 4, the water seepage layer 4 is shared again through the drainage arch 10 and then transmitted to the cement base layer 3, thereby reducing the stress of the cement base layer 3, effectively improving the bearing capacity of the cement base layer 3, ensuring the firm structure of the road, enabling the accumulated water in the road to stretch into the water seepage layer 4 through the water seepage core 29 and to be collected into the drainage channel 14 through the water seepage concrete layer 11 on the water seepage layer 4, therefore, accumulated water is smoothly discharged, the accumulated water on the road surface is reduced, the running safety of vehicles is ensured, the influence of the water soaked on the road surface on the structural strength of the road surface is reduced, and the service life of the road is prolonged.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the equivalent replacement or change according to the technical solution and the modified concept of the present invention should be covered by the scope of the present invention.

Claims

1. A high-strength road structure comprising a roadbed (1), characterized in that: cement base course (3) have been pour to the upper end of road bed (1), and the upper end fixedly connected with water seepage layer (4) of cement base course (3), water seepage layer (4) encircle (10) and permeate water concrete layer (11) including the drainage, and the drainage encircles (10) equidistant and be provided with a plurality ofly, the outer wall that encircles (10) at the drainage is pour to concrete layer (11) that permeates water, and the upper end of concrete layer (11) that permeates water levels, the upper end of concrete layer (11) that permeates water flushes with the upper end that the drainage encircleed (10), the upper end fixedly connected with bottom fixed network (5) of water seepage layer (4), and bottom fixed network (5) upper berth is equipped with pitch bottom (6), bury reinforcing mat (8) in pitch bottom (6) underground, and the top of pitch bottom (6) has laid pitch surface course (7).

2. A high strength road structure according to claim 1, wherein: reinforcing net (8) are including strengthening connecting rod (19), supporting connection pole (20) and high strength nylon fiber rope (21), strengthening connecting rod (19) is provided with a plurality ofly, and evenly fixes a plurality of supporting connection pole (20) on every strengthening connecting rod (19), and is a plurality of strengthen weaving the winding connection through high strength nylon fiber rope (21) between connecting rod (19), and high strength nylon fiber rope (21) set up the center department between adjacent supporting connection pole (20).

3. A high strength road structure according to claim 2, wherein: support connecting rod (20) including crowded end (22) and connect platform (23), bottom fixed network (5) are square grid net, crowded end (22) are tip round platform shape structure down, and the lower extreme of crowded end (22) inserts in the square on bottom fixed network (5), the outer wall upper end of connecting platform (23) is equipped with the enhancement bulge loop, infiltration core (29) have been seted up at the center of support connecting rod (20).

4. A high strength road structure according to claim 1, wherein: the drainage arch (10) is of a semicircular plate-shaped structure, a drainage channel (14) is arranged in a semicircular inner ring of the drainage arch (10), an arch-shaped reinforcing steel bar (24) is buried in the drainage arch (10), the lower end of the arch-shaped reinforcing steel bar (24) penetrates through the lower side of the drainage arch (10) to be arranged, a connecting hole is reserved at the upper end of the cement base layer (3), and the lower end of the arch-shaped reinforcing steel bar (24) is inserted into the connecting hole.

5. A high strength road structure according to claim 1, wherein: the outer wall of the drainage arch (10) is uniformly provided with a plurality of connecting grooves (26), and the lower ends of the two sides of the drainage arch (10) are provided with water guide ports (15).

6. A high strength road structure according to claim 1, wherein: escape canal (13) have been seted up to the upper end both sides of cement basic unit (3), and the both sides that correspond water seepage layer (4) in cement basic unit (3) upper end are provided with water blocking strip (25), the upper end fixedly connected with interception grid (9) of water blocking strip (25).

7. A high strength road structure according to claim 1, wherein: the cement base layer (3) and the water seepage layer (4) are divided equally to form a section in a pouring mode, and a base layer steel bar frame (17) is buried in the inner portion of each section of the cement base layer (3).

8. A high strength road structure according to claim 1, wherein: every section basic unit's spread groove (18) and infiltration spread groove (16) have been seted up respectively to the front center of cement basic unit (3) and infiltration layer (4), and cement basic unit (3) and infiltration layer (4) dorsal part pour shaping basic unit connecting block (28) respectively and infiltration connecting block (27), basic unit's spread groove (18) and basic unit connecting block (28) phase-match, and infiltration spread groove (16) and infiltration connecting block (27) phase-match.

9. A high strength road structure according to claim 1, wherein: waterproof mortar layer (2) has been laid between road bed (1) and cement basic unit (3), and the two sides of cement basic unit (3) are the rough surface.

10. A high strength road structure according to claim 1, wherein: and an epoxy resin layer (12) is coated on one surface of the upper end of the cement base layer (3) corresponding to the water seepage layer (4), and a binder is coated on one surface of the epoxy resin layer (12) facing the water seepage layer (4).