CN210315100U

CN210315100U - Green heavy load traffic road surface structure

Info

Publication number: CN210315100U
Application number: CN201920487796.6U
Authority: CN
Inventors: 黄勇; 武新成; 斯毅; 陈伟; 岳锡颖; 陈瑞; 高崇
Original assignee: Xinjiang West Silk Road Transportation Industry Innovation Alliance Technology Co Ltd; Xinjiang Communications Construction Group Co ltd
Current assignee: Xinjiang West Silk Road Transportation Industry Innovation Alliance Technology Co Ltd; Xinjiang Communications Construction Group Co ltd
Priority date: 2019-04-11
Filing date: 2019-04-11
Publication date: 2020-04-14
Anticipated expiration: 2029-04-11

Abstract

The utility model discloses a green heavy load traffic road surface structure, including ground, aeolian sand bed course, heavy load enhancement layer, rubber asphalt stress absorbing layer, AC16 pitch mixture layer, gravel seal and pitch layer, green heavy load traffic road surface structure includes ground, aeolian sand bed course, heavy load enhancement layer, rubber asphalt stress absorbing layer, AC16 pitch mixture layer, gravel seal and pitch layer from bottom to top. The utility model can not only meet the requirements of the road surface on the performances of strength, durability and the like, but also embody the characteristics of environmental protection and green; and make full use of industry solid waste reduces engineering cost, reduces the cost of raw materials, can directly consolidate the soil particle in the soil body through the green high performance cement concrete that sets up, makes the utility model discloses an intensity improves, and the durability is better, and low price, green, economy are suitable for moreover, can improve the use strength on road surface through the enhancement layer that sets up, prolong its life.

Description

Green heavy load traffic road surface structure

Technical Field

The utility model relates to a highway road surface technical field specifically is a green heavy load traffic road surface structure.

Background

With the rapid development of social economy, highway business as one of infrastructure is also rapidly developed, the social requirement on highways with high quality and high service performance is increasingly improved, and the safety, comfort and rapidness of driving become the basic requirements of people. With the rapid development of economy in China, the living standard of people is continuously improved, and the road transportation industry is also rapidly developed and shows new characteristics: large traffic volume and heavy-axle load canalized traffic. These necessarily place higher demands on the road designer and builder in terms of economic and technical requirements.

Semi-rigid base asphalt pavement has become the mainstream mode of pavement structure design due to the advantages of excellent bearing capacity and low cost. However, decades of construction and running operation tests prove that the pavement structure is high in brittleness and high in temperature and humidity sensitivity, and temperature shrinkage cracks are generated due to temperature changes and drying shrinkage cracks are generated due to water content changes in the strength forming and using processes. When the asphalt overlay is thin, such cracks tend to propagate into the overlay to form reflective cracks. The presence of cracks not only degrades the ride quality of the vehicle, but also destroys the structural integrity and continuity of the road surface and, to some extent, results in a weakening of the structural strength. Meanwhile, the traffic volume is continuously increased at present, and the overloading phenomenon is serious, so that the early damage of the active road surface is very serious within the design period, and the service life of the road surface is short.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a green heavy load traffic road surface structure has environmental protection, green, and the cost is low, characteristics such as durable long service life 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 green heavy-duty traffic road surface structure, includes ground, aeolian sand bed course, heavy load enhancement layer, rubber asphalt stress absorbed layer, AC16 asphalt mixture layer, gravel seal and pitch layer, green heavy-duty traffic road surface structure includes ground, aeolian sand bed course, heavy-duty enhancement layer, rubber asphalt stress absorbed layer, AC16 asphalt mixture layer, gravel seal and pitch layer from bottom to top, aeolian sand bed course has been laid to the ground upside, the heavy load enhancement layer has been laid to aeolian sand bed course upside, the heavy load enhancement layer includes rubble basic unit, C30 slag basic unit and concrete layer, C30 slag basic unit and concrete layer have been laid in proper order to rubble basic unit upside, just inside a plurality of strengthening ribs that add of heavy load enhancement layer, a plurality of the strengthening rib top passes rubble basic unit and slag basic unit, and strengthening rib top fixed mounting has the toper head, strengthening rib bottom fixed mounting has the aggravation base, and aggravates that the base is pre-buried inside the ground, heavy load enhancement layer upside is provided with rubber asphalt stress absorbing layer, the AC16 pitch mixing bed of material has been laid to rubber asphalt stress absorbing layer upside, AC16 pitch mixing bed of material upside is provided with the gravel seal, and the asphalt layer has been laid to gravel seal upside, the asphalt layer includes upper asphalt layer, middle level asphalt layer and lower floor's asphalt layer.

As a further aspect of the present invention: the thickness of the aeolian sand cushion layer is 20cm, the thickness of the C30 steel slag base layer is 30cm, the concrete layer is made of green high-performance cement concrete, the main components of the green high-performance cement concrete are calcium oxide, silicon dioxide, aluminum oxide, an activator and the like, the thickness of the rubber asphalt stress absorption layer is 2cm, and the thickness of the AC16 asphalt mixture layer is 6 cm.

As a further aspect of the present invention: the density of the middle asphalt layer is greater than that of the upper asphalt layer and that of the lower asphalt layer, and the thickness of the middle asphalt layer is less than that of the upper asphalt layer and that of the lower asphalt layer.

Compared with the prior art, the beneficial effects of the utility model are that: a green environment-friendly heavy-duty traffic pavement structure can meet the requirements of the pavement on the performances of strength, durability and the like, and also embodies the characteristics of environmental protection and green; and make full use of industry solid waste reduces engineering cost, reduces the cost of raw materials, and the intensity nature on road surface has certain assurance, can directly consolidate the soil particle in the soil body through the green high performance cement concrete that sets up, makes the utility model discloses an intensity improves, and the durability is better, and low price, green, economy are suitable for moreover, can improve the use strength on road surface through the enhancement layer that sets up, prolongs its life.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is the structure diagram of the heavy-load reinforcing layer of the present invention.

Fig. 3 is a schematic view of the asphalt layer structure of the present invention.

Shown in the figure: 10. the foundation, 11, the sand by wind bed course, 12, the heavy load enhancement layer, 121, rubble basic unit, 122, the slag basic unit, 123, the concrete layer, 124, strengthening rib, 125, cone, 126, aggravate the base, 13, rubber asphalt stress absorbing layer, 14, AC16 pitch mixture layer (medium grain asphalt concrete), 15, gravel seal coat, 16, the pitch layer, 161, upper asphalt layer, 162, middle level pitch layer, 163, lower floor's pitch layer.

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.

Referring to fig. 1 to 3, in an embodiment of the present invention, a green heavy-duty traffic road surface structure includes a foundation 10, a windage sand cushion layer 11, a heavy-duty reinforcing layer 12, a rubber asphalt stress absorbing layer 13, an AC16 asphalt mixture layer 14, a gravel sealing layer 15, and an asphalt layer 16; the AC16 asphalt mixture layer is composed of AC16 asphalt mixture, in the technical field of asphalt concrete or road building, the 'AC' in AC16 is the asphalt concrete mixture, and the '16' in AC16 represents that the maximum stone grain diameter is 1.6cm or 16 mm; the green environment-friendly heavy-duty traffic pavement structure comprises a foundation 10, a wind-blown sand cushion 11, a heavy-duty reinforcing layer 12, a rubber asphalt stress absorbing layer 13, an AC16 asphalt mixture layer 14, a gravel seal 15 and an asphalt layer 16 from bottom to top, the wind-blown sand cushion 11 is laid on the upper side of the foundation 10, the wind-blown sand cushion 11 is wide in material distribution and low in manufacturing cost, the drainage effect can be realized through the wind-blown sand cushion 11, the heavy-duty reinforcing layer 12 is laid on the upper side of the wind-blown sand cushion 11, the heavy-duty reinforcing layer 12 comprises a broken stone base layer 121, a C30 steel slag base layer 122 and a concrete layer 123, the C30 steel slag base layer 122 and the concrete layer 123 are sequentially laid on the upper side of the broken stone base layer 121, a plurality of reinforcing ribs 124 are additionally arranged inside the heavy-duty reinforcing layer 12, the tops of the reinforcing ribs 124 penetrate through the broken stone base layer 121 and the, conveniently carry out fixed mounting, strengthening rib 124 bottom fixed mounting aggravates base 126, improves the bearing capacity on road surface, and aggravates that base 126 is pre-buried inside ground 10, can improve the intensity on road surface, heavy load enhancement layer 12 upside is provided with rubber asphalt stress absorbing layer 13, has the absorption AC16 bituminous mixture layer 14 has been laid to rubber asphalt stress absorbing layer 13 upside, AC16 bituminous mixture layer 14 upside is provided with gravel seal 15, can improve the ageing resistance on road surface, has higher adhesive bonding performance moreover, and gravel seal 15 upside has laid asphalt layer 16, asphalt layer 16 includes upper asphalt layer 161, middle level asphalt layer 162 and lower floor asphalt layer 163, can improve the crack resistance on road surface, prolongs its life, the thickness of windage sand cushion 11 is 20cm, the thickness of C30 slag basic unit 122 is 30cm, the concrete layer 123 is made of green high-performance cement concrete, the main components of the green high-performance cement concrete are calcium oxide, silicon dioxide, aluminum oxide, an exciting agent and the like, the thickness of the rubber asphalt stress absorption layer 13 is 2cm, the thickness of the AC16 asphalt mixture layer 14 is 6cm, the density of the middle asphalt layer 162 is greater than that of the upper asphalt layer 161 and the lower asphalt layer 163, the thickness of the middle asphalt layer 162 is smaller than that of the upper asphalt layer 161 and the lower asphalt layer 163, and the service strength of the pavement is improved.

The utility model discloses a theory of operation is: a green environment-friendly heavy traffic road surface structure, lay the sand bed course 11 of wind accumulation on the foundation 10 at first, can realize the function of the drainage through the sand bed course 11 of wind accumulation set up, and the sand bed course 11 of wind accumulation is distributed extensively, the fabrication cost is low, lay the heavy load enhancement layer 12 formed by rubble basic unit 121, slag basic unit 122 and concrete layer 123 on the sand bed course 11 of wind accumulation immediately, can improve the intensity of the road surface, improve the bearing capacity of the road surface, the concrete layer 123 made of green high performance cement concrete can glue the soil particle in the soil body directly, make the utility model have improved intensity, the durability is better, and fine and cheap, green, economic applicable then lay rubber asphalt stress absorbing layer 13 and AC16 asphalt mixture bed 14 on the heavy load enhancement layer 12 sequentially and can improve the anti-aging capacity of the road surface, and have higher adhesive property, through the multilayer asphalt layer 16, the crack resistance of the pavement can be improved, and the service life of the pavement can be prolonged.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a green heavy load traffic road surface structure, includes ground (10), wind deposition sand bed course (11), heavy load enhancement layer (12), rubber asphalt stress absorbing layer (13), AC16 pitch mixture layer (14), gravel seal (15) and pitch layer (16), its characterized in that: the green environment-friendly heavy-duty traffic pavement structure comprises a foundation (10), an aeolian sand cushion layer (11), a heavy-duty reinforcing layer (12), a rubber asphalt stress absorbing layer (13), an AC16 asphalt mixture layer (14), a gravel seal layer (15) and an asphalt layer (16) from bottom to top, the aeolian sand cushion layer (11) is laid on the upper side of the foundation (10), the heavy-duty reinforcing layer (12) is laid on the upper side of the aeolian sand cushion layer (11), the heavy-duty reinforcing layer (12) comprises a broken stone base layer (121), a C30 steel slag base layer (122) and a concrete layer (123), a C30 steel slag base layer (122) and a concrete layer (123) are sequentially laid on the upper side of the broken stone base layer (121), a plurality of reinforcing ribs (124) are additionally arranged inside the heavy load (12), the tops of the reinforcing ribs (124) penetrate through the broken stone base layer (121) and the steel slag base layer (122), strengthening rib (124) bottom fixed mounting has aggravates base (126), and aggravates that base (126) is pre-buried inside ground (10), heavy load enhancement layer (12) upside is provided with rubber asphalt stress absorbing layer (13), AC16 pitch mixing bed (14) have been laid to rubber asphalt stress absorbing layer (13) upside, AC16 pitch mixing bed (14) upside is provided with gravel seal (15), and gravel seal (15) upside has laid pitch layer (16), pitch layer (16) include upper pitch layer (161), middle level pitch layer (162) and lower floor pitch layer (163).

2. The green environment-friendly heavy-duty traffic pavement structure according to claim 1, characterized in that: the thickness of the aeolian sand cushion layer (11) is 20 cm.

3. The green environment-friendly heavy-duty traffic pavement structure according to claim 1, characterized in that: the thickness of the C30 steel slag base layer (122) is 30 cm.

4. The green environment-friendly heavy-duty traffic pavement structure according to claim 1, characterized in that: the thickness of the rubber asphalt stress absorbing layer (13) is 2 cm.

5. The green environment-friendly heavy-duty traffic pavement structure according to claim 1, characterized in that: the thickness of the AC16 asphalt mixture layer (14) is 6 cm.

6. The green environment-friendly heavy-duty traffic pavement structure according to claim 1, characterized in that: the density of the middle asphalt layer (162) is greater than that of the upper asphalt layer (161) and the lower asphalt layer (163), and the thickness of the middle asphalt layer (162) is smaller than that of the upper asphalt layer (161) and the lower asphalt layer (163).