CN214737100U

CN214737100U - Crack control pitch road structure

Info

Publication number: CN214737100U
Application number: CN202120422585.1U
Authority: CN
Inventors: 谈潭
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2021-11-16
Anticipated expiration: 2031-02-24

Abstract

The utility model relates to a technical field of road, concretely relates to crack control bituminous road structure, it includes the bituminous road main part, the bituminous road main part includes according to the four layers of road surface structural layer of laying, four layers of road surface structural layer is the ground by supreme down in proper order, the rubble bed course, thick asphalt concrete layer and thin asphalt concrete layer, be connected with a plurality of connection structure between the adjacent road surface structural layer jointly, connection structure is including connecting the nail, connecting block and coupling assembling, it establishes in the road surface structural layer that is located the lower floor to connect the nail to insert, the connecting block is buried underground in the road surface structural layer that is located the upper strata, coupling assembling fixes on the side that the connecting block is close to the connecting nail, coupling assembling is used for connecting block and connecting the nail. This application has the good effect of connection stability between each layer of bituminous paving main part.

Description

Crack control pitch road structure

Technical Field

The application relates to the technical field of roads, in particular to an anti-cracking asphalt road structure.

Background

Asphalt pavement refers to various types of pavement that are made by incorporating into mineral materials a road asphalt material. The asphalt binder improves the capability of the paving aggregate to resist damage of traveling vehicles and natural factors to the pavement, and enables the pavement to be smooth, less in dust, impermeable and durable. Accordingly, asphalt pavement is one of the most widely used high-grade pavements in road construction.

The current chinese patent with publication number CN210194370U discloses an anti-cracking asphalt road structure, including asphalt road main body, asphalt road main body includes the ground, plain soil layer, the rubble bed course, cement stone powder stable layer, the dampproof course, coarse asphalt mixes loam layer and fine asphalt mixes loam layer, the ground is established bottommost, plain soil layer establishes the top at the ground, the rubble bed course is established at the top on plain soil layer, cement stone powder stable layer establishes the top at the rubble bed course, the dampproof course is established at the top of cement stone powder stable layer, coarse asphalt mixes the loam layer and establishes the top at the dampproof course, fine asphalt mixes the loam layer and establishes the top at coarse asphalt mixes the loam layer, two of asphalt road main body are equipped with the cement fixed plate.

With respect to the related art among the above, the inventors consider that there is a drawback that the stability of the connection between the layers of the asphalt road body is poor.

SUMMERY OF THE UTILITY MODEL

In order to promote the stability of connecting between the bituminous paving main part each layer, this application provides an anti-cracking bituminous paving structure.

The application provides a crack control pitch road structure adopts following technical scheme:

the utility model provides a crack control bituminous road structure, includes bituminous road main part, bituminous road main part includes according to the four layers of road surface structural layer of laying, and four layers of road surface structural layer is ground, rubble bed course, thick asphalt concrete layer and thin asphalt concrete layer by supreme ground, rubble bed course and being connected with a plurality of connection structure jointly between the adjacent road surface structural layer, connection structure is including connecting nail, connecting block and coupling assembling, it inserts and establishes in the road surface structural layer that is located the lower floor to connect the nail, the connecting block is buried underground in the road surface structural layer that is located the upper strata, coupling assembling fixes on the connecting block is close to the side of connecting the nail, coupling assembling is used for connecting block and connecting the nail.

Through adopting above-mentioned technical scheme, realize connecting through connection structure between each road surface structural layer, in addition the connection nail is located the road surface structural layer of lower floor, and the connecting block is located the road surface structural layer on upper strata, and connecting components are connecting the connecting block and are being connected the nail to play the effect of connecting adjacent road surface structural layer, with this stability of connecting between each layer of bituminous road main part has been strengthened.

Preferably, the connecting assembly comprises an elastic rod and a limiting block, the elastic rod is fixed on the side face, close to the connecting nail, of the connecting block, and the limiting block is fixed on the end part, far away from the connecting block, of the elastic rod; the connecting nail is provided with a limiting cavity matched with the limiting block in a clamping mode, a through hole communicated with the limiting cavity is formed in the end face, close to the connecting block, of the connecting nail, a guide surface is arranged on the limiting block, and the side face, far away from the elastic rod, of the limiting block is downwards inclined to the side face, close to the elastic rod, of the limiting block.

By adopting the technical scheme, when the connecting component is used for connecting the connecting nail and the connecting block, the connecting block is moved from top to bottom to the direction of the connecting nail, and the guide surface on the limiting block is abutted against the side wall of the through hole to generate acting force, so that the elastic rod is deformed, and the limiting block and the elastic rod can smoothly enter the through hole; when the limiting block moves to the position of the limiting cavity, the limiting block is weakened under the action of the side wall of the through hole, and the elastic rod recovers deformation at the moment, so that the limiting block is clamped in the limiting cavity, connection between the limiting nail and the limiting plate is further completed, and the connection stability between adjacent pavement structure layers is better.

Preferably, it is adjacent common fixedly connected with reinforced structure on connection structure's the connecting block, reinforced structure includes strengthening rod and reinforcement muscle, the strengthening rod is fixed between adjacent connecting block, the reinforcement muscle is fixed on the connecting block keeps away from the side of connecting the nail.

By adopting the technical scheme, the reinforcing structure is connected between the connecting blocks, so that the contact between the connecting blocks and the pavement structure layer can be increased, and the connection stability between the connecting blocks and the pavement structure layer is improved; in addition, the reinforcing rods can enhance the connection stability of the connecting blocks in the horizontal direction of the pavement structure layer, and the reinforcing ribs can enhance the connection stability of the connecting blocks in the vertical direction of the pavement structure layer.

Preferably, a first reinforcing component and a second reinforcing component are fixedly connected to the reinforcing ribs from top to bottom, the first reinforcing component comprises a plurality of first reinforcing ribs uniformly fixed on the reinforcing ribs, and the end parts, far away from the reinforcing ribs, of the first reinforcing ribs are inclined obliquely upwards; the second reinforcing component comprises a plurality of second reinforcing ribs which are uniformly fixed on the reinforcing ribs, and the end parts of the second reinforcing ribs, far away from the reinforcing ribs, are inclined downwards.

Through adopting above-mentioned technical scheme, the reinforcing bar slope on the reinforcement component one upwards sets up, and the reinforcing bar slope on the reinforcement component two sets up downwards to restricted the reinforcing bar and upwards perhaps removed downwards, with this stability that has promoted the reinforcing bar, and then promoted the stability of being connected between connecting block and the road surface structure layer.

Preferably, a spiral blade is fixedly connected to the circumferential surface of the connecting nail.

By adopting the technical scheme, the arrangement of the spiral cutting edge increases the contact area between the connecting nail and the pavement structure layer on one hand, so that the connection stability between the connecting nail and the pavement structure layer is improved; on the other hand, the arrangement of the spiral cutting edge can enable the connection nail to be inserted more conveniently, and further facilitates the construction work of the asphalt road structure.

Preferably, a pouring pipe is buried in the asphalt road main body, four groups of shunt pipelines are fixedly connected to the circumferential surface of the pouring pipe from top to bottom in sequence, and the four groups of shunt pipelines are located in four layers of pavement structure layers respectively.

By adopting the technical scheme, when the asphalt road is paved, concrete can be poured into the pouring pipe from the feed end of the pouring pipe, the concrete in the pouring pipe flows into the four groups of shunt pipelines along the pouring pipe respectively, and then flows into the four layers of pavement structure layers from the four groups of shunt pipelines respectively; after the concrete condenses, pour the pipe and shunt the pipeline all with the road surface structural layer firm connection to the steadiness of connecting between each road surface structural layer of bituminous road structure has further been promoted.

Preferably, any group of the shunting pipelines comprises four arc-shaped bent pipes, the four arc-shaped bent pipes are uniformly fixed on the peripheral sides of the pouring pipes, the arc-shaped bent pipes are communicated with the pouring pipes, and overflow holes are formed in the arc-shaped bent pipes.

Through adopting above-mentioned technical scheme, the reposition of redundant personnel pipeline sets four arc return bends into, and the overflow hole on four arc return bends of concrete accessible flows to this can promote the stability of being connected between pouring pipe and the road surface structural layer from different positions.

Preferably, the end part, far away from the pouring pipe, of the arc-shaped bent pipe is fixedly connected with a supporting plate, and the side surface, far away from the arc-shaped bent pipe, of the supporting plate is evenly and fixedly connected with a sawtooth strip.

By adopting the technical scheme, the contact area between the arc-shaped bent pipe and the pavement structure layer can be increased by the support plate, so that the stability of the arc-shaped bent pipe on the support of the pouring pipe is improved, and the problem that the pouring pipe is likely to incline when concrete is poured is solved; the sawtooth racks further increase the stability of connection between the arc-shaped bent pipe and the pavement structure layer, so that the stability of the asphalt road structure is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

the connecting structure is used for connecting the road surface structural layers, the connecting nails are positioned in the road surface structural layer on the lower layer, the connecting blocks are positioned in the road surface structural layer on the upper layer, and the connecting assembly is connected with the connecting blocks and the connecting nails, so that the function of connecting the adjacent road surface structural layers is achieved, and the connection stability among the layers of the asphalt road main body is enhanced;

the reinforcing structure is connected between the connecting blocks, so that the contact between the connecting blocks and the pavement structure layer can be increased, and the connection stability between the connecting blocks and the pavement structure layer is improved; in addition, the reinforcing rods can enhance the connection stability of the connecting blocks and the pavement structure layer in the horizontal direction, and the reinforcing ribs can enhance the connection stability of the connecting blocks and the pavement structure layer in the vertical direction;

the reinforcing rod on the reinforcing component I is inclined and upwards arranged, and the reinforcing rod on the reinforcing component II is inclined and downwards arranged, so that the upward or downward movement of the reinforcing rod is limited, the stability of the reinforcing rod is improved, and the stability of connection between the connecting block and the pavement structure layer is improved.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a pouring pipe in the application example.

Fig. 3 is a schematic structural view of the connection structure in the application example.

Description of reference numerals: 1. an asphalt road body; 11. a foundation; 12. a gravel cushion layer; 13. a coarse asphalt concrete layer; 14. a fine asphalt concrete layer; 2. pouring a pipe; 21. a shunt line; 211. an arc-shaped bent pipe; 212. an overflow aperture; 22. a support plate; 221. a sawtooth strip; 3. a connecting structure; 31. a connecting nail; 311. a helical cutting edge; 312. a limiting cavity; 313. a through hole; 32. connecting blocks; 33. a connecting assembly; 331. an elastic rod; 332. a limiting block; 333. a guide surface; 4. reinforcing the structure; 41. a reinforcing rod; 42. reinforcing ribs; 421. reinforcing ribs I; 422. and a second reinforcing rib.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses crack control pitch road structure. Referring to fig. 1, the asphalt road body 1 comprises four pavement structure layers which are sequentially paved, wherein the four pavement structure layers sequentially comprise a foundation 11, a gravel cushion 12, a coarse asphalt concrete layer 13 and a fine asphalt concrete layer 14 from bottom to top. The gravel cushion 12 is formed by paving gravel on the foundation 11, the coarse asphalt concrete layer 13 is formed by paving coarse asphalt concrete on the gravel cushion 12, and the fine asphalt concrete layer 14 is formed by paving fine asphalt concrete on the coarse asphalt concrete.

Referring to fig. 1 and 2, a pouring pipe 2 is embedded in an asphalt road main body 1, the pouring pipe 2 is of a circular tubular structure, the length direction of the pouring pipe 2 is consistent with the thickness direction of the asphalt road main body 1, the feeding end of the pouring pipe 2 is located in a fine asphalt concrete layer 14, and the discharging end of the pouring pipe 2 is located in a foundation 11. The circumferential surface of the pouring pipe 2 is fixedly connected with four shunt pipelines 21, the four shunt pipelines 21 are provided with four groups, the four shunt pipelines 21 are sequentially distributed on the pouring pipe 2 from top to bottom, and the four shunt pipelines 21 are respectively positioned in the four road structure layers. Any set of reposition of redundant personnel pipeline 21 all includes four arc return bends 211, and four arc return bends 211 evenly distributed are on pouring pipe 2, and four arc return bends 211 all with pour pipe 2 intercommunication, the tip that pipe 2 was pour to arc return bends 211 keeps away from sets up downwards to one side.

Referring to fig. 1 and 2, the arc-shaped bent pipe 211 and the pouring pipe 2 are both provided with overflow holes 212, when the asphalt road is laid, concrete can be poured into the pouring pipe 2 from the feed end of the pouring pipe 2, and the concrete in the pouring pipe 2 flows into the arc-shaped bent pipe 211 along the pouring pipe 2; and the concrete can flow to the pavement structure layer from the pouring pipe 2 and the overflow hole 212 on the arc-shaped bent pipe 211, and after the concrete is condensed, the pouring pipe 2 and the shunt pipeline 21 are both stably connected with the pavement structure layer, so that the connection stability among the pavement structure layers of the asphalt road structure is improved. The end part, far away from the pouring pipe 2, of the arc-shaped bent pipe 211 is fixedly connected with a supporting plate 22, the supporting plate 22 is of a rectangular plate-shaped structure, the side face, far away from the arc-shaped bent pipe 211, of the supporting plate 22 is fixedly connected with a sawtooth strip 221, the length direction of the sawtooth strip 221 is consistent with the width direction of the supporting plate 22, and the sawtooth strips 221 are distributed on the side face of the supporting plate 22 at equal intervals. The contact area between the arc-shaped bent pipe 211 and the pavement structure layer can be increased by arranging the supporting plate 22 and the saw-tooth bars 221, so that the stability of the arc-shaped bent pipe 211 for supporting the pouring pipe 2 is improved, and the problem that the pouring pipe 2 is likely to incline when concrete is poured is reduced.

Referring to fig. 1 and 3, two groups of connecting structures 3 are fixedly connected between adjacent pavement structure layers, and each connecting structure 3 includes a connecting nail 31, a connecting block 32 and a connecting assembly 33. The connecting nails 31 are inserted into the pavement structure layer located at the lower layer of the adjacent pavement structure layer, and the length direction of the connecting nails 31 is consistent with the thickness direction of the pavement structure layer. The circumferential surface of the connecting nail 31 is fixedly connected with a helical blade 311, the helical blade 311 is spirally wound on the circumferential surface of the connecting nail 31, and the arrangement of the helical blade 311 increases the contact area between the connecting nail 31 and the pavement structure layer on one hand, so that the connection stability between the connecting nail 31 and the pavement structure layer is improved; on the other hand, the arrangement of the spiral blade 311 can make the insertion of the connecting nail 31 more convenient, thereby facilitating the construction work of the asphalt road structure.

Referring to fig. 1 and 3, the connection block 32 is a block-shaped structure, and the connection block 32 is located in an upper pavement structure layer of adjacent pavement structure layers. The connecting assembly 33 is disposed between the connecting block 32 and the connecting nail 31, and the connecting assembly 33 includes an elastic rod 331 and a limiting block 332. The elastic rods 331 are of a square rod-shaped structure, the length direction of the elastic rods 331 is consistent with the thickness direction of the pavement structure layer, one end parts of the elastic rods 331 are fixed on the side surfaces, close to the connecting nails 31, of the connecting blocks 32, the number of the elastic rods 331 is two, and the two elastic rods 331 are symmetrically fixed on the connecting blocks 32. The limiting block 332 is fixed on the side of the elastic rod 331 away from the connecting nail 31, the limiting block 332 is provided with a guide surface 333, and the guide surface 333 is inclined downwards from the side of the limiting block 332 away from the elastic rod 331 to the side of the limiting block 332 close to the elastic rod 331.

Referring to fig. 1 and 3, the connecting nail 31 is provided with a limiting cavity 312, and the limiting cavity 312 is in clamping fit with the limiting block 332. A through hole 313 is formed in the side surface of the connecting nail 31 close to the connecting block 32, the through hole 313 is communicated with the limiting cavity 312, when the connecting nail 31 is connected with the connecting block 32 by using the connecting component 33, the connecting block 32 moves towards the direction of the connecting nail 31 from top to bottom, and the guide surface 333 on the limiting block 332 is abutted against the side wall of the through hole 313, so that an acting force is generated, the elastic rod 331 is deformed, and the limiting block 332 and the elastic rod 331 can smoothly enter the through hole 313; when stopper 332 removed to spacing chamber 312 when the position, stopper 332 received weakening under the effect of through-hole 313 lateral wall, elastic rod 331 recovered deformation this moment to establish stopper 332 card in spacing chamber 312, and then accomplished being connected between spacing nail and the limiting plate, thereby made the stability of being connected between the adjacent road surface structural layer better.

Referring to fig. 1 and 3, the two groups of connecting structures 3 are fixedly connected with a reinforcing structure 4, the reinforcing structure 4 includes a reinforcing rod 41 and a reinforcing rib 42, the reinforcing rod 41 is a square rod-shaped structure, the length direction of the reinforcing rod 41 is the same as the width direction of the pavement structure layer, and two end portions of the reinforcing rod 41 are fixedly connected with the two connecting blocks 32 respectively. The number of the reinforcing ribs 42 is two, the two reinforcing ribs 42 are uniformly fixed on the upper surface of the reinforcing rod 41 at equal intervals, and the length direction of the reinforcing ribs 42 is the same as that of the reinforcing rod 41. Fixedly connected with reinforcing component one and reinforcing component two on the reinforcement muscle 42, reinforcing component one and reinforcing component two are fixed on reinforcement muscle 42 from top to bottom in proper order, and reinforcing component one includes four strengthening ribs 421, and reinforcement bar 41 evenly distributed is on reinforcement muscle 42 global, and the tip that reinforcing rib 42 was kept away from to strengthening rib 421 upwards sets up to one side. The second reinforcing component comprises four second reinforcing ribs 422, the reinforcing rods 41 are uniformly distributed on the circumferential surface of the reinforcing rib 42, and the end parts, far away from the reinforcing rib 42, of the second reinforcing ribs 422 are obliquely and downwards arranged.

The implementation principle of an anti-cracking asphalt road structure in the embodiment of the application is as follows: realize connecting through connection structure 3 between each road surface structural layer, in addition connect the road surface structural layer that nail 31 is located the lower floor, connecting block 32 is located the road surface structural layer on upper strata, connecting block 32 and connecting nail 31 are being connected to coupling assembling 33 to play the effect of connecting adjacent road surface structural layer, strengthened the stability of connecting between each layer of bituminous road main body 1 with this.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An anti-cracking asphalt road structure is characterized in that: including bituminous paving main part (1), bituminous paving main part (1) is including according to four layers of road surface structural layer of laying, and four layers of road surface structural layer are ground (11), rubble bed course (12), thick bituminous concrete layer (13) and thin bituminous concrete layer (14) by supreme ground (11) in proper order down, are connected with a plurality of connection structure (3) jointly between the adjacent road surface structural layer, connection structure (3) are including connecting nail (31), connecting block (32) and coupling assembling (33), connecting nail (31) are inserted and are established in the road surface structural layer that is located the lower floor, connecting block (32) are buried underground in the road surface structural layer that is located the upper strata, coupling assembling (33) are fixed on connecting block (32) are close to the side of connecting nail (31), coupling assembling (33) are used for connecting block (32) and connecting nail (31).

2. An anti-cracking asphalt road structure according to claim 1, characterized in that: the connecting assembly (33) comprises an elastic rod (331) and a limiting block (332), the elastic rod (331) is fixed on the side face, close to the connecting nail (31), of the connecting block (32), and the limiting block (332) is fixed on the end portion, far away from the connecting block (32), of the elastic rod (331); connect and offer on nail (31) with spacing chamber (312) of stopper (332) joint complex, connect nail (31) and offer on being close to the terminal surface of connecting block (32) through-hole (313) with spacing chamber (312) intercommunication, be provided with spigot surface (333) on stopper (332), spigot surface (333) are kept away from the side downward sloping of elastic rod (331) to stopper (332) by stopper (332) on being close to the side of elastic rod (331).

3. An anti-cracking asphalt road structure according to claim 1, characterized in that: adjacent fixedly connected with reinforced structure (4) jointly on connecting block (32) of connection structure (3), reinforced structure (4) include reinforcing rod (41) and reinforcement muscle (42), reinforcing rod (41) are fixed between adjacent connecting block (32), reinforcement muscle (42) are fixed on connecting block (32) keep away from the side of connecting nail (31).

4. An anti-cracking asphalt road structure according to claim 3, characterized in that: the reinforcing rib (42) is fixedly connected with a first reinforcing component and a second reinforcing component from top to bottom, the first reinforcing component comprises a plurality of first reinforcing ribs (421) which are uniformly fixed on the reinforcing rib (42), and the end parts, far away from the reinforcing rib (42), of the first reinforcing ribs (421) incline obliquely; the second reinforcing component comprises a plurality of second reinforcing ribs (422) which are uniformly fixed on the reinforcing ribs (42), and the end parts, far away from the reinforcing ribs (42), of the second reinforcing ribs (422) incline downwards in an inclined mode.

5. An anti-cracking asphalt road structure according to claim 1, characterized in that: the circumferential surface of the connecting nail (31) is fixedly connected with a helical blade (311).

6. An anti-cracking asphalt road structure according to claim 1, characterized in that: the asphalt road is characterized in that a pouring pipe (2) is embedded in the asphalt road body (1), four groups of shunt pipelines (21) are fixedly connected to the circumferential surface of the pouring pipe (2) from top to bottom in sequence, and the four groups of shunt pipelines (21) are located in four layers of pavement structures respectively.

7. An anti-cracking asphalt road structure according to claim 6, characterized in that: any a set of reposition of redundant personnel pipeline (21) are including four arc return bends (211), four arc return bends (211) are evenly fixed on pouring the week side of pipe (2), and arc return bend (211) with pour pipe (2) intercommunication, overflow hole (212) have been seted up on arc return bend (211).

8. An anti-cracking asphalt road structure according to claim 7, characterized in that: arc return bend (211) are kept away from fixedly connected with backup pad (22) on the tip of pouring pipe (2), even fixedly connected with sawtooth rack (221) on arc return bend (211) was kept away from in backup pad (22) the side.