CN216006475U - Rural highway thickening road surface structure - Google Patents
Rural highway thickening road surface structure Download PDFInfo
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- CN216006475U CN216006475U CN202122513585.5U CN202122513585U CN216006475U CN 216006475 U CN216006475 U CN 216006475U CN 202122513585 U CN202122513585 U CN 202122513585U CN 216006475 U CN216006475 U CN 216006475U
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Abstract
The utility model relates to a road surface technical field specifically is a rural highway thickening road surface structure, including the road surface main part, the road surface main part includes the stratum basale of bottommost. The utility model has the advantages that: the bed course is lime coal cinder layer, for high specification bed course, cooperation basic unit and stratum basale are as the stronger bottom basis of this road surface structure, the middle level mixes the layer for fine sand and coarse sand, the enhancement layer is concrete rib stratum reticulare, the inside reinforcing bar net of laying and vertically laying and intercrossing of plane of enhancement layer that is provided with, further strengthen the intensity at road surface structure middle part, be difficult for the fracture, the top fixedly connected with on upper surface layer strengthens the top layer, the inside on enhancement surface layer is provided with glass fiber grid layer, it is the top layer of this road surface structure to strengthen the top layer, collocation glass fiber grid layer can be better prevent self fracture, thereby this thickening road surface structure overall structure intensity is high, be difficult for the fracture, need not frequently maintain, the difficult hole uneven phenomenon that appears in the road surface, be favorable to people's normal trip.
Description
Technical Field
The utility model relates to a road surface technical field, especially a rural highway thickening road surface structure.
Background
The pavement structure layer refers to each paving layer forming the pavement, and mainly comprises a surface layer, a base layer and a subbase layer according to the position and the action of the pavement structure layer. The pavement structure layer consists of three parts: surface course, basic unit and subbase. The previous underlayment can be classified as a functional layer or a subgrade treatment layer.
The road surface is not only subjected to the action of wheel load, but also affected by natural environmental factors. The influence of traffic load and atmospheric factors on the road surface is generally gradually weakened along with the depth, so that the road surface is usually of a multilayer structure, the material with good quality is laid on the upper layer with larger stress, and the material with poor quality is laid on the lower layer with smaller stress, thereby forming a road surface structure form that the material with different specifications and requirements is adopted on the roadbed, and the cushion layer, the base layer and the surface layer are respectively laid. Rural highways are scattered, remote and inconvenient to maintain, cracking is easy to occur, and pits and unevenness are easy to occur on road surfaces, so that people can go out normally.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome prior art's shortcoming, provide a rural highway thickening road surface structure.
The purpose of the utility model is realized through the following technical scheme: a thickened pavement structure for rural highways comprises a pavement main body, wherein the pavement main body comprises a bottommost base layer, the top of the base layer is fixedly connected with a cushion layer, the top of the cushion layer is fixedly connected with a middle layer, and the top of the middle layer is fixedly connected with a reinforcing layer;
the top fixedly connected with surface course of enhancement layer, the surface course divide into surface course and top surface course down, the top surface lies in the top of surface course down, the top fixedly connected with on top surface course strengthens the top layer, the inside on strengthening the top layer is provided with the glass fiber grid layer.
Optionally, the pavement main body is composed of a base layer, a cushion layer, a middle layer, a reinforcing layer, a surface layer and a reinforcing surface layer.
Optionally, the thickness of stratum basale is greater than the thickness of basic unit, the bed course is lime cinder layer, be provided with geotechnological cloth between bed course and the basic unit, better protection bed course prevents that the soil of basic unit from getting into in the bed course.
Optionally, the middle layer is a mixed layer of fine sand and coarse sand, and the thickness of the reinforcing layer is smaller than that of the middle layer.
Optionally, the reinforcing layer is a concrete mesh layer, and reinforcing meshes which are laid horizontally and vertically and are crossed are arranged in the reinforcing layer.
Optionally, strengthen the top layer and be asphalt concrete layer, for the top layer of high strength road surface structure, long service life avoids frequent maintenance, the thickness of strengthening the top layer is less than the thickness of surface course.
Optionally, the length of the mesh side of the glass fiber grid layer is 5 cm, the strength of the reinforced surface layer is greatly enhanced by the arrangement of the glass fiber grid layer 11, the bearing capacity is strong, and the glass fiber grid layer is not easy to crack.
The utility model has the advantages of it is following:
the rural highway thickening pavement structure comprises a base layer, a cushion layer is fixedly connected to the top of the base layer, a middle layer is fixedly connected to the top of the cushion layer, a reinforcing layer is fixedly connected to the top of the middle layer, a surface layer is fixedly connected to the top of the reinforcing layer and comprises a lower surface layer and an upper surface layer, the upper surface layer is positioned at the top of the lower surface layer, a reinforcing surface layer is fixedly connected to the top of the upper surface layer, a glass fiber grating layer is arranged inside the reinforcing surface layer, rural highways are scattered and far away, so that the pavement structure adopts a thickening design, the middle layer and the reinforcing layer are added on a conventional cushion layer, the cushion layer is a lime coal slag layer, is a high-specification cushion layer, the base layer and the base layer are matched to serve as a stronger bottom foundation of the pavement structure, the middle layer is a fine sand and coarse sand mixing layer, the reinforcing layer is a concrete rib net layer, and a reinforcing mesh which is laid on a plane and laid vertically and crossed with each other is arranged inside the reinforcing layer, further strengthen the intensity at road surface structure middle part, difficult fracture, and simultaneously, the surface course divide into lower surface course and upper surface course, the top fixedly connected with of upper surface course strengthens the top layer, the inside of strengthening the top layer is provided with the glass fiber grid layer, strengthen the top layer and be this road surface structure's top layer, collocation glass fiber grid layer can be better prevent self fracture, thereby this thickening road surface structure overall structure intensity is high, difficult fracture, need not frequently maintain, the difficult phenomenon of pothole unevenness that appears in road surface is favorable to people's normal trip.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
fig. 2 is a schematic view of the cross-sectional structure of the reinforced surface layer of the present invention.
In the figure: 1-a pavement main body, 2-a substrate layer, 3-a base layer, 4-a cushion layer, 5-a middle layer, 6-a reinforcing layer, 7-a surface layer, 8-a lower surface layer, 9-an upper surface layer, 10-a reinforcing surface layer and 11-a glass fiber grating layer.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in fig. 1 and 2, a thickened pavement structure for rural highways comprises a pavement main body 1, wherein the pavement main body 1 comprises a bottommost base layer 2, the top of the base layer 2 is fixedly connected with a base layer 3, the top of the base layer 3 is fixedly connected with a cushion layer 4, the top of the cushion layer 4 is fixedly connected with a middle layer 5, and the top of the middle layer 5 is fixedly connected with a reinforcing layer 6;
the top fixedly connected with surface course 7 of enhancement layer 6, surface course 7 divide into surface course 8 and top surface course 9 down, and top surface course 9 is located the top of surface course 8 down, and top surface course 10 is strengthened to the top fixedly connected with of top surface course 9, and the inside of strengthening surface course 10 is provided with glass fiber grid layer 11.
As an optimal technical solution of the utility model: the pavement main body 1 consists of a base layer 2, a base layer 3, a cushion layer 4, a middle layer 5, a reinforcing layer 6, a surface layer 7 and a reinforcing surface layer 10, wherein the thickness of the base layer 2 is greater than that of the base layer 3, the cushion layer 4 is a lime coal cinder layer, and geotextile is arranged between the cushion layer 4 and the base layer 3 to better protect the cushion layer 4 and prevent soil of the base layer 3 from entering the cushion layer 4;
middle level 5 mixes the layer for fine sand and coarse sand, the thickness of enhancement layer 6 is less than middle level 5's thickness, enhancement layer 6 is concrete rib stratum reticulare, 6 inside planes that are provided with of enhancement layer are laid and vertical the reinforcing bar net of laying and intercrossing, it is asphalt concrete layer to strengthen top layer 10, the top layer for high strength road surface structure, long service life, avoid frequent maintenance, the thickness of strengthening top layer 10 is less than the thickness of surface course 7, the mesh length of glass fiber grid layer 11 is 5 centimetres, the intensity of strengthening top layer 10 has been strengthened greatly in setting up of glass fiber grid layer 11, the bearing capacity is strong, be difficult for the fracture.
The working process of the utility model is as follows:
s1, this road surface structure has adopted the thickening design, medium level 5 and enhancement layer 6 have been added on conventional bed course 4, wherein bed course 4 is lime cinder layer, for high specification bed course, cooperation basic unit 3 and stratum basale 2 are as the stronger bottom basis of this road surface structure, medium level 5 is the mixed layer of fine sand and coarse sand, enhancement layer 6 is concrete rib net layer, 6 inside plane laying and vertical laying and the criss-cross reinforcing bar net of each other that is provided with of enhancement layer, further strengthen the intensity at road surface structure middle part, difficult fracture.
S2 and surface layer 7 are divided into lower surface layer 8 and upper surface layer 9, the top fixedly connected with of upper surface layer 9 strengthens top layer 10, strengthens the inside on top layer 10 and is provided with glass fiber grid layer 11, strengthens top layer 10 and is the top layer of this road surface structure, and collocation glass fiber grid layer 11 can be better prevent self fracture.
In conclusion, when the rural highway thickening pavement structure is used, the top of the base layer 3 is fixedly connected with the cushion layer 4, the top of the cushion layer 4 is fixedly connected with the middle layer 5, the top of the middle layer 5 is fixedly connected with the reinforcing layer 6, the top of the reinforcing layer 6 is fixedly connected with the surface layer 7, the surface layer 7 is divided into the lower surface layer 8 and the upper surface layer 9, the upper surface layer 9 is positioned at the top of the lower surface layer 8, the top of the upper surface layer 9 is fixedly connected with the reinforcing surface layer 10, the glass fiber grating layer 11 is arranged inside the reinforcing surface layer 10, the rural highway is relatively dispersed and relatively far, so the pavement structure adopts a thickening design, the middle layer 5 and the reinforcing layer 6 are added on the conventional cushion layer 4, wherein the cushion layer 4 is a lime coal slag layer and is a high-specification cushion layer, the base layer 3 and the base layer 2 are matched to serve as a relatively strong bottom foundation of the pavement structure, and the middle layer 5 is a fine sand and coarse sand mixing layer, the enhancement layer 6 is concrete rib stratum reticulare, 6 inside planes of being provided with of enhancement layer are laid and vertical laying and the reinforcing bar net of intercrossing, further strengthen the intensity at road surface structure middle part, difficult fracture, and simultaneously, surface 7 divide into lower surface 8 and upper surface 9, the top fixedly connected with of upper surface 9 strengthens top layer 10, the inside of strengthening top layer 10 is provided with glass fiber grid layer 11, it is the top layer of this road surface structure to strengthen top layer 10, prevention self fracture that collocation glass fiber grid layer 11 can be better, thereby this thickening road surface structure overall structure intensity is high, difficult fracture, need not frequently maintain, the difficult uneven phenomenon that appears in the road surface, be favorable to people's normal trip.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a rural highway thickening road surface structure which characterized in that: the pavement comprises a pavement main body (1), wherein the pavement main body (1) comprises a bottommost base layer (2), the top of the base layer (2) is fixedly connected with a base layer (3), the top of the base layer (3) is fixedly connected with a cushion layer (4), the top of the cushion layer (4) is fixedly connected with a middle layer (5), and the top of the middle layer (5) is fixedly connected with a reinforcing layer (6);
the top fixedly connected with surface course (7) of enhancement layer (6), surface course (7) divide into lower surface course (8) and top surface course (9), top surface course (9) are located the top of lower surface course (8), top fixedly connected with of top surface course (9) strengthens top layer (10), the inside of strengthening top layer (10) is provided with glass fiber grid layer (11).
2. The rural highway thickened pavement structure according to claim 1, wherein: the pavement main body (1) is composed of a base layer (2), a base layer (3), a cushion layer (4), a middle layer (5), a reinforcing layer (6), a surface layer (7) and a reinforcing surface layer (10).
3. The rural highway thickened pavement structure according to claim 1, wherein: the thickness of the base layer (2) is larger than that of the base layer (3), the cushion layer (4) is a lime coal cinder layer, and geotextile is arranged between the cushion layer (4) and the base layer (3).
4. The rural highway thickened pavement structure according to claim 1, wherein: the middle layer (5) is a mixed layer of fine sand and coarse sand, and the thickness of the reinforcing layer (6) is smaller than that of the middle layer (5).
5. The rural highway thickened pavement structure according to claim 1, wherein: the reinforced layer (6) is a concrete rib net layer, and the reinforced net which is laid on the plane and vertically and is crossed is arranged in the reinforced layer (6).
6. The rural highway thickened pavement structure according to claim 1, wherein: the reinforced surface layer (10) is an asphalt concrete layer, and the thickness of the reinforced surface layer (10) is smaller than that of the surface layer (7).
7. The rural highway thickened pavement structure according to claim 1, wherein: the side length of the meshes of the glass fiber grid layer (11) is 5 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122513585.5U CN216006475U (en) | 2021-10-19 | 2021-10-19 | Rural highway thickening road surface structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122513585.5U CN216006475U (en) | 2021-10-19 | 2021-10-19 | Rural highway thickening road surface structure |
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| Publication Number | Publication Date |
|---|---|
| CN216006475U true CN216006475U (en) | 2022-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122513585.5U Active CN216006475U (en) | 2021-10-19 | 2021-10-19 | Rural highway thickening road surface structure |
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|---|---|
| CN (1) | CN216006475U (en) |
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2021
- 2021-10-19 CN CN202122513585.5U patent/CN216006475U/en active Active
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