CN213867165U

CN213867165U - Road surface antiskid structure

Info

Publication number: CN213867165U
Application number: CN202022229725.1U
Authority: CN
Inventors: 周辉; 李华晖; 林立华; 贾琪瑶
Original assignee: Shenzhen Construction Engineering Group Co Ltd
Current assignee: Shenzhen Construction Engineering Group Co Ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-08-03
Anticipated expiration: 2030-10-09

Abstract

The application relates to a road surface antiskid structure, it includes from last skid resistant course, pavement layer, waterproof layer and the road bed layer that sets up extremely down, it has many recesses to open on the skid resistant course, intercrossing and formation net between many recesses. This application has the roughness that improves the road surface, has strengthened the non-skid property of road, through wearing and tearing skid resistant course, has played the effect on protection road surface.

Description

Road surface antiskid structure

Technical Field

The application relates to the technical field of municipal construction, in particular to a road surface anti-skidding structure.

Background

The antiskid pavement is a thin layer pavement which is formed by coating a special polymer adhesive on a pavement and scattering wear-resistant aggregate.

The utility model discloses a utility model patent of grant publication No. CN201301424Y discloses a road surface antiskid area, including establishing the coloured binder layer on the road surface and establishing the anti-skidding aggregate layer on the coloured binder layer, the anti-skidding aggregate that the anti-skidding aggregate layer adopted is a glass crystal.

In view of the above-mentioned related art, the inventors believe that the binding of the non-slip aggregate to the colored adhesive layer is not sufficiently stable, resulting in easy falling of the aggregate, and thus the non-slip effect of the non-slip band is reduced.

SUMMERY OF THE UTILITY MODEL

In order to improve non-skid property when making the skid resistant course stable in structure on road surface, this application provides a road surface antiskid structure.

The application provides a road surface antiskid structure adopts following technical scheme: the utility model provides a road surface antiskid structure, includes from last skid resistant course, road surface layer, waterproof layer and the road bed layer that sets up extremely down, it has many recesses to open on the skid resistant course, intercrossing and formation net between many recesses.

By adopting the technical scheme, the grooves are formed in the upper surface of the anti-skid layer, so that the roughness of the contact surface of the tire and the road surface is improved, and the anti-skid performance of the road is enhanced. In addition, replace the road surface through the skid resistant course and be worn and torn, can also play the effect of protection road surface.

Optionally, the anti-slip layer comprises an asphalt bonding layer and aggregate for supporting the anti-slip layer, and the aggregate is distributed inside and on the surface of the asphalt bonding layer and is bonded with the asphalt bonding layer.

Through adopting above-mentioned technical scheme, add aggregate in the skid resistant course, the aggregate on skid resistant course surface has increased the roughness on skid resistant course surface, has further increased the non-skid property on skid resistant course. In addition, the aggregate plays a supporting role on the anti-skid layer, and the pressure resistance of the anti-skid layer is improved.

Optionally, the aggregate is triangular pyramid.

Through adopting above-mentioned technical scheme, triangular pyramid non-deformable, the aggregate of this structure is more stable, has reduced the possibility that aggregate warp when pedestrian and vehicle pass through the skid resistant course. In addition, the aggregate protrudes from the upper surface of the anti-slip layer, and the roughness of the pavement can be higher due to the multi-edge and corner of the aggregate, so that the anti-slip effect is further enhanced.

Optionally, the surface of the aggregate is provided with a plurality of anti-skid lines.

Through adopting above-mentioned technical scheme, aggregate surface's roughness can be improved to aggregate surface's multichannel antiskid line for aggregate and asphalt binder's combination is more firm, and on the other hand, the aggregate is outstanding improves self roughness through addding multichannel antiskid line in the part of skid resistant course upper surface, can further promote skid resistant course's non-skid property.

Optionally, hemispherical protrusions are fixed on each edge surface of the aggregate.

Through adopting above-mentioned technical scheme, the aggregate is fixed with the sphere arch on each faceted pebble, and the sphere roll character is good, and triangular pyramid roll character is poor than the sphere, through combining the complementary synergism of two kinds of structure advantages for when concrete asphalt and aggregate, improve the dispersion degree of aggregate in the asphalt bond coat, reduce the uneven possibility of local road surface aggregate distribution.

Optionally, the aggregate is provided with a connecting hole on each side, and the connecting hole penetrates through the protrusion.

By adopting the technical scheme, the specific surface area of the aggregate in the anti-skid layer is increased by arranging the connecting holes, so that the asphalt adhesive can flow into the aggregate through the connecting holes for bonding, and the bonding strength of the asphalt adhesive and the aggregate is further enhanced.

Optionally, the connecting holes formed on each surface of the aggregate are communicated with the inside of the aggregate.

Through adopting above-mentioned technical scheme, the outstanding aggregate passes through the cushioning effect of the connecting hole of inside intercommunication on the skid resistant course, and broken possibility when can reduce top layer aggregate and automobile tire contact has prolonged the life of skid resistant course top layer aggregate.

Optionally, a horizontal anti-cracking layer is laid in the anti-slip layer.

Through adopting above-mentioned technical scheme, the anti-tear intensity of skid resistant course can be increased to the anti-cracking layer, reduces the skid resistant course and tears and reduce the possibility of anti-skidding effect under the friction.

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

1. the grooves are formed in the upper surface of the anti-skid layer, so that the roughness of the contact surface of the tire and the road surface is improved, and the anti-skid performance of the road is enhanced;

2. the aggregate structure is triangular pyramid-shaped, each surface is a triangular structure with good stability, the aggregate is not easy to deform, the aggregate of the structure is more stable, the possibility of aggregate deformation when pedestrians and vehicles pass through the anti-skid layer is reduced, in addition, the aggregate is exposed on the upper surface part of the anti-skid layer, the roughness of the pavement is higher due to the multi-edge and the edge angle of the aggregate, and the anti-skid performance of the road is further enhanced;

3. the connection holes are formed in the edge surfaces of the aggregates, so that the specific surface area of the aggregates in the anti-slip layer is increased, the asphalt adhesive can flow into the aggregates through the connection holes for bonding, and the bonding strength of the asphalt adhesive and the aggregates is further enhanced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a schematic view of the overall structure of the aggregate.

Description of reference numerals: 1. an anti-slip layer; 11. a groove; 12. an asphalt bonding layer; 13. an aggregate; 131. anti-skid lines; 132. a protrusion; 133. connecting holes; 14. an anti-cracking layer; 2. a pavement layer; 3. and (4) a road bed layer.

Detailed Description

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

The embodiment of the application discloses anti-skidding structure on road surface. Referring to fig. 1, an anti-skid structure of a road surface includes an anti-skid layer 1, a road surface layer 2 and a road base layer 3 sequentially arranged from top to bottom. The anti-skid layer 1 is provided with a plurality of grooves 11, the grooves 11 are crossed to form grids, the roughness of the anti-skid layer 1 is increased, and the anti-skid performance of the anti-skid layer 1 is improved.

Referring to fig. 1, the included angle between the groove 11 and the road edge is 40 degrees, which improves the roughness of the antiskid layer 1 and is more beautiful.

Referring to fig. 2, the anti-skid layer 1 comprises an asphalt bonding layer 12 and aggregates 13 which are mixed and bonded with the asphalt bonding layer 12, wherein the aggregates 13 partially protrude on the anti-skid layer 1, so that the roughness of the anti-skid layer 1 is increased, and the anti-skid performance of the anti-skid layer 1 is further improved. The asphalt bonding layer 12 is fixedly bonded with the asphalt pavement layer 2, so that the anti-skid performance between the asphalt bonding layer 12 and the asphalt pavement layer 2 is improved, and the possibility of separation of the anti-skid layer 1 and the pavement layer 2 is reduced.

Horizontal anti-cracking layer 14 is laid in skid resistant course 1, and anti-cracking layer 14 can be the excellent copper mesh of ductility for improve skid resistant course 1's anti tearing degree, reduce skid resistant course 1 and receive the friction and tear in the use, and then reduce the possibility of anti-skidding effect.

Referring to fig. 2, the pavement layer 2 may be a concrete layer, which can improve the flatness and strength of the road. The roadbed 3 may be a cement stabilized gravel layer laid on the foundation for supporting the pavement layer 2.

Referring to fig. 3, the aggregate 13 is triangular pyramid-shaped, has good structural stability, can play a good supporting role when being added into the anti-skid layer 1, and improves the pressure resistance of the anti-skid layer 1. In addition, because the aggregates 13 have a plurality of edges and corners, the aggregates 13 protruding from the anti-slip layer 1 can further improve the roughness of the anti-slip layer 1 and enhance the anti-slip performance of the anti-slip layer.

Referring to fig. 3, aggregate 13 is provided with a plurality of anti-slip lines 131 by integral molding, and by increasing the roughness of the surface of aggregate 13, the asphalt bonding layer 12 and the aggregate 13 are bonded more firmly, and the roughness of the aggregate 13 protruding on the anti-slip layer 1 is improved, so that the roughness of the anti-slip layer 1 is improved, and the anti-slip performance of the anti-slip layer 1 is further improved.

Referring to fig. 3, the aggregate 13 is integrally formed with spherical protrusions 132, and by combining the triangular pyramid structure and the spherical structure, the advantages of structural stability and rolling performance are complementary, so that the aggregate 13 can be uniformly distributed in the asphalt bonding layer 12 in the coagulation process, and the possibility of uneven laying of the aggregate in the anti-skid layer 1 is reduced.

Referring to fig. 3, each surface of the aggregate 13 is provided with a connecting hole 133 penetrating through the spherical protrusion 132, and the asphalt bonding layer 12 flows into the connecting hole 133, so that the bonding surface between the asphalt bonding layer 12 and the aggregate 13 is increased, and the bonding strength is improved. The connecting holes 133 are communicated with the aggregates 13, so that the aggregates 13 are buffered when being extruded, the possibility that the aggregates 13 are crushed by pressure is reduced, and the service life of the anti-skid layer 1 is further prolonged.

The construction method comprises the following steps: when constructors construct, firstly paving road cement stabilized macadam as a roadbed layer 3, and maintaining for six days. Carry out the thin paste seal one day after accomplishing the maintenance work at an interval, the lower seal is laid and is accomplished the postcure seven days, carries out pavement layer 2 again and lays, treats that pavement layer 2 will mix after dry skid resistant course 1 and lays on pavement layer 2, then sets up recess 11 for alternately become the net between the recess 11, increased skid resistant course 1's roughness, thereby improve skid resistant course 1's non-slip properties.

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. The utility model provides a road surface antiskid structure, includes from last skid resistant course (1), road surface layer (2) and road bed layer (3) that set up down, its characterized in that: it has many recesses (11) to open on skid resistant course (1), intercrossing and formation net between many recesses (11), skid resistant course (1) includes pitch adhesive linkage (12) and aggregate (13) that are used for supporting skid resistant course (1), and aggregate (13) distribute at pitch adhesive linkage (12) inside and surface and bond with pitch adhesive linkage (12) and link to each other, aggregate (13) are the triangular pyramid form, be fixed with hemispherical protrusion (132) on aggregate (13) each side.

2. A road surface antiskid structure according to claim 1, characterized in that: the surface of the aggregate (13) is provided with a plurality of anti-skid lines (131).

3. A road surface antiskid structure according to claim 1, characterized in that: each surface of the aggregate (13) is provided with a connecting hole (133), and the connecting hole (133) penetrates through the protrusion (132).

4. A road surface antiskid structure according to claim 1, characterized in that: the connecting holes (133) formed in each surface of the aggregate (13) are communicated with each other in the aggregate (13).

5. A road surface antiskid structure according to claim 1, characterized in that: and a horizontal anti-cracking layer (14) is laid in the anti-slip layer (1).