CN213142673U

CN213142673U - Good-durability bituminous roadbed pavement

Info

Publication number: CN213142673U
Application number: CN202021637062.0U
Authority: CN
Inventors: 徐建力; 田立; 韩锋; 叶红卫; 李绍怡
Original assignee: Xiangao Road And Bridge Co Ltd
Current assignee: Xiangao Road And Bridge Co Ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-05-07
Anticipated expiration: 2030-08-07

Abstract

The utility model relates to a bituminous roadbed pavement that durability is good, including pitch top layer, rubble concrete layer, supporting layer, permeable bed and the basic unit that top-down set gradually, arrange the first backup pad and the second backup pad of intercrossing setting in the supporting layer, first backup pad and second backup pad all are equipped with a plurality of, first backup pad and second backup pad cross formation a plurality of cushion chamber. The first supporting plate and the second supporting plate are utilized to realize the support of the broken stone concrete layer, the supporting performance of the broken stone concrete layer is ensured, the supporting performance of the roadbed pavement is improved, and the durability of the roadbed pavement is guaranteed.

Description

Good-durability bituminous roadbed pavement

Technical Field

The utility model relates to a building engineering's technical field specifically is a bituminous roadbed road surface that durability is good.

Background

The highway is a modern term, and is a public road capable of driving automobiles and a public transportation means, and a plurality of transportation means such as automobiles, bicycles, rickshaws, horses and pedestrians can walk, but different highway limits are different. Highways may also be referred to as roads. There are two basic factors for highways as modern words: can be used for driving automobiles and public roads. Rainstorm runoff, ice and snow coverage and water accumulation on the road surface. They can soften, wash and even destroy the road bed with the water stagnation, diving and spring water on the upper layer, causing the diseases of the road bed side slope slump, road grout turnover and the like. The road drainage facility has the functions of rapidly removing road surface, ground runoff and various urban wastewater, preventing water accumulation, reducing overhigh underground water level and removing water permeating into a road surface structure layer and a roadbed so as to ensure the stability of the roadbed, prolong the service life of the road surface, maintain the normal traffic and safety of vehicles and pedestrians and enable the road to be clean and sanitary.

The durability of the roadbed and road surface is often poor, which results in the shortened service life of the roadbed and road surface, so it is urgently needed to develop an asphalt roadbed and road surface with good durability to solve the problems in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bituminous roadbed pavement that durability is good to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a bituminous roadbed pavement that durability is good, includes pitch top layer, rubble concrete layer, supporting layer, permeable bed and the basic unit that top-down set gradually, arrange the first backup pad and the second backup pad that mutual cross arrangement set up in the supporting layer, first backup pad and second backup pad all are equipped with a plurality of, first backup pad and second backup pad alternately form a plurality of cushion chamber.

As a further aspect of the present invention: the bottom is equipped with the piston in the cushion chamber, install the piston axle on the piston, the one end that the piston axle kept away from the piston is fixed on rubble concrete layer, the piston is fixed in the permeable bed upper end, the spring has been cup jointed to the periphery of piston axle.

As a further aspect of the present invention: the inner diameter of the buffer cavity is m6, and m6 is not less than 10cm and not more than 20 cm.

As a further aspect of the present invention: the thickness of the asphalt surface layer is m1, the thickness of the gravel concrete layer is m2, the thickness of the supporting layer is m3, the thickness of the water permeable layer is m4, the thickness of the base layer is m5, m2 is more than m4 is more than m1 is more than m3 is more than m 5.

As a further aspect of the present invention: the thicknesses of the first supporting plate and the second supporting plate are both m7, and m7 is more than or equal to 5cm and less than or equal to 15 cm.

As a further aspect of the present invention: the first supporting plate and the second supporting plate are both engineering plastic plates.

Compared with the prior art, the beneficial effects of the utility model are that: the first supporting plate and the second supporting plate are utilized to realize the support of the broken stone concrete layer, the supporting performance of the broken stone concrete layer is ensured, the supporting performance of the roadbed pavement is improved, and the durability of the roadbed pavement is guaranteed.

Other features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

Drawings

FIG. 1 is a schematic structural view of a bituminous roadbed pavement with good durability according to the present invention;

fig. 2 is the good bituminous roadbed pavement of durability rubble concrete layer and permeable bed complex cross-sectional view.

In the figure: 1. an asphalt surface layer; 2. a gravel concrete layer; 3. a support layer; 4. a first support plate; 5. a second support plate; 6. a buffer chamber; 7. a water permeable layer; 8. a base layer; 9. a piston; 10. a piston shaft; 11. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-2, in the embodiment of the present invention, an asphalt subgrade road surface with good durability comprises an asphalt surface layer 1, a gravel concrete layer 2, a supporting layer 3, a permeable layer 7 and a base layer 8, which are sequentially arranged from top to bottom, wherein a first supporting plate 4 and a second supporting plate 5 are arranged in the supporting layer 3, the first supporting plate 4 and the second supporting plate 5 are both provided with a plurality of buffer cavities 6, and the first supporting plate 4 and the second supporting plate 5 are alternately formed into a plurality of buffer cavities 6. Utilize at the cushion chamber 6 of first backup pad 4 and 5 crossing formation of second backup pad, utilize first backup pad 4 and 5 realization of second backup pad to rubble concrete layer 2's support performance, guaranteed rubble concrete layer 2's support performance, improved the support performance on road bed road surface, kept road bed road surface's durability.

In the embodiment, a piston 9 is arranged at the bottom in the buffer cavity 6, a piston shaft 10 is installed on the piston 9, one end, far away from the piston 9, of the piston shaft 10 is fixed on the gravel concrete layer 2, the piston 9 is fixed at the upper end of the water permeable layer 7, a spring 11 is sleeved on the periphery of the piston shaft 10, the inner diameter of the buffer cavity 6 is m6, and m6 is not less than 10cm and not more than 20 cm. Specifically to in this embodiment, 15cm, so can guarantee that cushion chamber 6 has sufficient space and be used for installing piston shaft 10 and piston 9, piston shaft 10 is flexible in piston 9 to utilize the elastic restoring force of spring 11 to realize supporting, guaranteed the support to rubble concrete layer 2, improved the durability on road bed road surface.

In the embodiment, the thickness of the asphalt surface layer 1 is m1, the thickness of the gravel concrete layer 2 is m2, the thickness of the supporting layer 3 is m3, the thickness of the water permeable layer 7 is m4, the thickness of the base layer 8 is m5, and m2 < m4 < m1 < m3 < m 5. So set up, can guarantee the holistic intensity of road bed road surface, guarantee road bed road surface's durability.

In the embodiment, the thicknesses of the first support plate 4 and the second support plate 5 are both m7, and m7 is not less than 5cm and not more than 15 cm. In the embodiment, m7 is 10cm, and the first support plate 4 and the second support plate 5 are both engineering plastic plates. So can guarantee the supporting effect to rubble concrete layer 2, support stability when having improved road bed road surface and using has improved road bed road surface's durability.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a bituminous roadbed pavement that durability is good, its characterized in that, includes pitch top layer, rubble concrete layer, supporting layer, permeable bed and the basic unit that top-down set gradually, arrange the first backup pad and the second backup pad that intercrossing set up in the supporting layer, first backup pad and second backup pad all are equipped with a plurality of, first backup pad and second backup pad alternately form a plurality of cushion chamber.

2. The bituminous roadbed pavement with good durability as claimed in claim 1, wherein a piston is arranged at the inner bottom of the buffer cavity, a piston shaft is mounted on the piston, one end of the piston shaft, far away from the piston, is fixed on a gravel concrete layer, the piston is fixed at the upper end of a permeable layer, and a spring is sleeved on the outer periphery of the piston shaft.

3. The bituminous roadbed pavement with good durability according to claim 1, wherein the inner diameter of the buffer cavity is m6, and m6 is 10cm to 20 cm.

4. A durable bituminous roadbed pavement according to claim 1, wherein the thickness of the bituminous surface layer is m1, the thickness of the gravel concrete layer is m2, the thickness of the supporting layer is m3, the thickness of the water permeable layer is m4, the thickness of the base layer is m5, m2 < m4 < m1 < m3 < m 5.

5. The bituminous roadbed pavement with good durability according to claim 1, wherein the thickness of the first supporting plate and the thickness of the second supporting plate are both m7, and 5cm m7 cm 15 cm.

6. The bituminous roadbed pavement with good durability of claim 1, wherein the first supporting plate and the second supporting plate are both engineering plastic plates.