CN217026541U

CN217026541U - Multifunctional asphalt pavement structure

Info

Publication number: CN217026541U
Application number: CN202123035671.6U
Authority: CN
Inventors: 林丽
Original assignee: Hubei Transportation Investment Construction Group Co ltd
Current assignee: Hubei Transportation Investment Construction Group Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-07-22
Anticipated expiration: 2031-12-06

Abstract

The utility model discloses a multifunctional asphalt pavement structure, wherein a cushion layer is laid on the top of a soil foundation, a tamping layer is laid on the top end of the cushion layer, a reinforcing layer is laid on the surface of the tamping layer, a stabilizing layer is poured on the top of the reinforcing layer, a connecting layer is laid on the top of the stabilizing layer, and a rubber asphalt mixing layer is poured on the top end of the connecting layer, through the matching use of the cushion layer and the tamping layer, the mixture of the building waste such as the residue soil, the limestone and the coal ash is laid on the surface of the soil foundation, the function of tamping and supporting the soil foundation is realized, the discharged waste materials are utilized, the construction cost of pavement engineering is effectively reduced, the resources are saved, and through the matching use of the reinforcing layer and the stabilizing layer, the cement concrete is directly poured after the crushed stones are laid, the reinforcing effect is realized on the pavement, the bottom layer structure of the pavement structure is more stable without collapse and recess, ensuring safer use process.

Description

Multifunctional asphalt pavement structure

Technical Field

The utility model relates to the technical field of asphalt pavements, in particular to a multifunctional asphalt pavement structure.

Background

The asphalt pavement is various types of pavements formed by paving and rolling asphalt concrete, wherein the asphalt concrete is a mixture formed by fully mixing an asphalt material with certain viscosity and proper dosage and a mineral aggregate with certain gradation, and the asphalt concrete is used as the asphalt pavement material and is required to bear repeated action of vehicle load in use and long-term influence of environmental factors, so that the asphalt concrete has certain bearing capacity and also has good durability for resisting natural factor action, namely, the asphalt pavement has the characteristics of enough stability under high-temperature environment, crack resistance under low-temperature condition, good water stability, durable aging resistance, favorable safety and skid resistance and the like so as to ensure good service function of the asphalt pavement;

however, when the asphalt road is poured at present, a certain base layer needs to be paved firstly, most of materials for paving the base layer are bought foundation stones and other articles, the needed quantity is large, and the cost of road pavement is high, so that the multifunctional asphalt road surface structure provided by the utility model meets the requirements of people.

SUMMERY OF THE UTILITY MODEL

The utility model provides a multifunctional asphalt pavement structure, which can effectively solve the problem that when an asphalt road proposed in the background art is poured, a certain base layer needs to be paved first, most of materials for paving the base layer are bought foundation stones and other articles, the needed quantity is large, and the cost of paving the road is high.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a multi-functional bituminous paving structure, includes the soil matrix, the bed course has been laid at the top of soil matrix, the top tiling of bed course has tamped the layer, the back up coat has been laid on the surface of tamped layer, the stabilizing layer has been pour at the top of back up coat, the top tiling of stabilizing layer has the coupling layer, the rubber asphalt mixture layer has been pour on the top of coupling layer, the surface that the rubber asphalt mixture layer has provided the waterproof layer, the top tiling of waterproof layer has the drainage blanket, the water seepage layer has been pour on the top of drainage blanket, the surface tiling of water seepage layer has the surface course.

Preferably, the cushion layer is a building residue soil mixed layer, the tamping layer is a limestone and coal ash mixture, and the thickness of the cushion layer is the same as that of the tamping layer.

Preferably, the reinforcing layer is a gravel layer, the stabilizing layer is poured cement concrete, and the cement concrete can permeate into the gravel layer.

Preferably, the waterproof layer is asphalt-based waterproof paint, and the laying of the drainage layer is carried out until the water in the waterproof layer is evaporated and solidified.

Preferably, drainage blanket, water permeability layer and surface course are asphalt concrete, drainage blanket, water permeability layer and the inside asphalt particles size of surface course are different, particle size in drainage blanket, water permeability layer and the surface course respectively with tiny particle, well granule and large granule.

Compared with the prior art, the utility model has the following beneficial effects: the utility model has scientific and reasonable structure and safe and convenient use:

1. be provided with the bed course, tamp the layer, back up coat and stable layer, cooperation through bed course and tamp the layer is used, with mixtures such as building rubbish's dregs and lime stone coal ash tiling on soil base surface, the effect of tamp support has been played to the soil base, the waste material that is discharged all is utilized, road surface engineering's construction cost has obtained effectual reduction, and the resource has been practiced thrift, use through the cooperation of back up coat and stable layer simultaneously, cement concrete directly pours behind the rubble of tiling, the reinforced effect has been played to the road surface, make road surface structure's substructure more firm, can not collapse and cave in, guarantee safer in the use.

2. Be provided with the drainage blanket, water seepage layer and surface course, pour the asphalt concrete of granule variation in size through the cubic, make the top layer of road surface structure more thick and firm, the surface course has played wear-resisting smooth effect, confirm the road surface and can not harm easily in the use, and remain level and smooth all the time, for the vehicle walking provides very big facility, and water seepage layer and drainage blanket are when consolidating the road surface, can guarantee to fall on the water of surface course and can follow the downward smooth infiltration in the pitch granule gap, ensure that water can not gather on the road surface, and multilayer asphalt concrete can guarantee that water can not destroy road surface structure when permeating.

3. Be provided with the connection layer, rubber asphalt mixes layer and waterproof layer, use through the connection layer, can strengthen the structural strength between road surface bottom and the top pitch layer, make the connectivity between road surface upper strata and the lower floor stronger, use through the cooperation of rubber asphalt mixes layer and waterproof layer simultaneously, make the water that the road surface oozes down no longer continue infiltration downwards, water discharges away along the drainage blanket, avoid water to last the infiltration to cause the destruction to road surface structure's bottom, make road surface structure's bottom intensity reduce, the road sinks easily in the use.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of a pavement of the present invention;

FIG. 3 is a schematic view of the installation structure of the reinforcing layer according to the present invention;

FIG. 4 is a schematic structural view of a tie layer of the present invention;

the reference numbers in the figures: 1. soil foundation; 2. a cushion layer; 3. tamping the layer; 4. a reinforcement layer; 5. a stabilizing layer; 6. a tie layer; 7. a rubber asphalt mixing layer; 8. a waterproof layer; 9. a drainage layer; 10. a water seepage layer; 11. and (6) a surface layer.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it should be understood that they are presented herein only to illustrate and explain the present invention and not to limit the present invention.

The embodiment is as follows: as shown in figures 1-4, the utility model provides a technical scheme, a multifunctional asphalt pavement structure comprises a soil foundation 1, a cushion layer 2 is laid on the top of the soil foundation 1, a rammed layer 3 is flatly laid on the top end of the cushion layer 2, the cushion layer 2 is a building slag and soil mixing layer, the rammed layer 3 is a limestone and coal ash mixture, the thicknesses of the cushion layer 2 and the rammed layer 3 are the same, a reinforcing layer 4 is laid on the surface of the rammed layer 3, a stabilizing layer 5 is poured on the top of the reinforcing layer 4, the reinforcing layer 4 is a gravel layer, the stabilizing layer 5 is poured cement concrete, the cement concrete can permeate into the gravel layer, the mixture of building waste such as slag, coal ash and the like is flatly laid on the surface of the soil foundation 1 by matching the cushion layer 2 and the rammed layer 3, the rammed support effect is achieved on the soil foundation 1, the discharged waste is utilized, and the construction cost of pavement engineering is effectively reduced, resources are saved, and meanwhile, through the matched use of the reinforcing layer 4 and the stabilizing layer 5, cement concrete is directly poured after the macadam is paved, so that the reinforcing effect on the pavement is achieved, the bottom layer structure of the pavement structure is more stable, collapse and depression are avoided, and the safety in the using process is ensured;

the top of the stabilization layer 5 is paved with a connecting layer 6, the top of the connecting layer 6 is poured with a rubber asphalt mixing layer 7, the surface of the rubber asphalt mixing layer 7 is provided with a waterproof layer 8, the waterproof layer 8 is asphalt-based waterproof paint, the laying of the drainage layer 9 needs to wait until the water in the waterproof layer 8 evaporates and solidifies, through the use of the connecting layer 6, the structural strength between the bottom of the road surface and the upper asphalt layer can be enhanced, the connectivity between the upper layer and the lower layer of the road surface is stronger, meanwhile, through the matching use of the rubber asphalt mixing layer 7 and the waterproof layer 8, the water seeped from the road surface is not continuously seeped downwards, the water is drained along the drainage layer 9, the damage to the bottom layer of the road surface structure caused by the continuous seepage of the water is avoided, the strength of the bottom layer of the road surface structure is reduced, the road is easy to collapse in the using process, the drainage layer 9 is paved on the top of the waterproof layer 8, and a water seepage layer 10 is poured on the top of the drainage layer 9, the surface layer 11 is paved on the surface of the water seepage layer 10, the drainage layer 9, the water seepage layer 10 and the surface layer 11 are all asphalt concrete, the asphalt particles in the drainage layer 9, the water seepage layer 10 and the surface layer 11 are different in size, the particle sizes in the drainage layer 9, the water seepage layer 10 and the surface layer 11 are respectively equal to small particles, medium particles and large particles, the asphalt concrete with different particle sizes is poured for three times, so that the surface layer of the pavement structure is thicker, more solid and more stable, the surface layer 11 plays a role in wear resistance and smoothness, the pavement is ensured not to be easily damaged in the using process and is kept smooth all the time, great convenience is provided for the walking of vehicles, and the water seepage layer 10 and the drainage layer 9 can guarantee that the water falling on the surface layer 11 can smoothly permeate downwards along the gaps of the asphalt particles while reinforcing the pavement, so that the water is prevented from being gathered on the pavement, and the multilayer asphalt concrete can guarantee that the pavement structure is not damaged when the water permeates.

The working principle and the using process of the utility model are as follows: in the process of using a multifunctional asphalt pavement structure, firstly, leveling a soil foundation 1, uniformly pouring a residue-soil mixture of construction waste on the surface of the soil foundation 1, leveling, forming a cushion layer 2 on the top of the soil foundation 1, continuously spreading limestone coal ash on the top of the cushion layer 2, compacting downwards to form a compacted layer 3, playing a role of compacting and supporting the soil foundation 1, pulling a corresponding amount of broken stones by a vehicle, stacking the broken stones on the surface of the compacted layer 3, namely a reinforcing layer 4, reinforcing a road bottom mechanism, pouring cement concrete on the top of the reinforcing layer 4, forming a stable layer 5 after solidification to ensure that the bottom of a road cannot collapse, spreading a connecting layer 6 on the surface of the stable layer 5, pouring a rubber asphalt mixing layer 7, and continuously smearing a waterproof layer 8 after the rubber asphalt mixing layer 7 dries up;

after waiting for a period of time, the water in the waterproof layer 8 is continuously evaporated, and after the waterproof layer 8 is solidified, three kinds of asphalt concrete, namely a drainage layer 9, a water seepage layer 10 and a surface layer 11, are sequentially poured, the sizes of the grains of the drainage layer 9, the water seepage layer 10 and the surface layer 11 are different, and the material of the surface layer 11 is wear-resistant in the use process of the pavement structure, so that the surface of the road is always kept flat, gaps exist among particles in the asphalt concrete, after rainwater falls on the surface layer 11, water can directly and sequentially penetrate through the drainage layer 9, the water seepage layer 10 and the surface layer 11, so that the water is prevented from being accumulated on the surface layer 11, and the three layers of asphalt concrete can ensure that the structural strength of the road surface is not easily damaged, and waterproof layer 8 and the mix layer 7 of rubber asphalt carry out the separation to water for water can not continue to permeate downwards, avoids the water gathering to cause the influence at the road bottom to the structural strength of bottom, and water can have drainage blanket 9 to the wayside trickling.

Finally, it should be noted that: 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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a multi-functional bituminous paving structure, includes soil matrix (1), its characterized in that: bed course (2) have been laid at the top of soil matrix (1), the top tiling of bed course (2) has tamped layer (3), back up coat (4) have been laid on the surface of tamped layer (3), stabilizing layer (5) have been pour at the top of back up coat (4), the top tiling of stabilizing layer (5) has coupling layer (6), the mixed layer of rubber asphalt (7) has been pour on the top of coupling layer (6), the surface that the mixed layer of rubber asphalt (7) was provided with waterproof layer (8), the top tiling of waterproof layer (8) has drainage blanket (9), water seepage layer (10) have been pour on the top of drainage blanket (9), the surface tiling of water seepage layer (10) has surface course (11).

2. A multifunctional asphalt pavement structure according to claim 1, characterized in that the thickness of the underlayment layer (2) and the rammed layer (3) is the same.

3. A multifunctional bituminous pavement structure according to claim 1, characterized in that the reinforcing layer (4) is a gravel layer and the stabilizing layer (5) is poured cement concrete, which will penetrate into the gravel layer.