CN113355970A - Asphalt pavement structure with ultra-thin wearing layer - Google Patents
Asphalt pavement structure with ultra-thin wearing layer Download PDFInfo
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- CN113355970A CN113355970A CN202110626489.3A CN202110626489A CN113355970A CN 113355970 A CN113355970 A CN 113355970A CN 202110626489 A CN202110626489 A CN 202110626489A CN 113355970 A CN113355970 A CN 113355970A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/32—Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ
- E01C7/325—Joining different layers, e.g. by adhesive layers; Intermediate layers, e.g. for the escape of water vapour, for spreading stresses
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/021—Ash cements, e.g. fly ash cements ; Cements based on incineration residues, e.g. alkali-activated slags from waste incineration ; Kiln dust cements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B30/00—Compositions for artificial stone, not containing binders
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F287/00—Macromolecular compounds obtained by polymerising monomers on to block polymers
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
- E01C19/18—Devices for distributing road-metals mixed with binders, e.g. cement, bitumen, without consolidating or ironing effect
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
- E01C19/23—Rollers therefor; Such rollers usable also for compacting soil
- E01C19/26—Rollers therefor; Such rollers usable also for compacting soil self-propelled or fitted to road vehicles
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/35—Toppings or surface dressings; Methods of mixing, impregnating, or spreading them
- E01C7/358—Toppings or surface dressings; Methods of mixing, impregnating, or spreading them with a combination of two or more binders according to groups E01C7/351 - E01C7/356
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Inorganic Chemistry (AREA)
- Road Paving Structures (AREA)
Abstract
The invention belongs to the technical field of asphalt pavement, in particular to an asphalt pavement structure with an ultra-thin wearing layer, which aims at solving the problems that the abrasion resistance of the asphalt pavement structure is poor when the asphalt pavement structure is used and asphalt liquid can permeate into a laying layer below asphalt and the laying is not ideal in the prior art.
Description
Technical Field
The invention relates to the technical field of asphalt pavements, in particular to an asphalt pavement structure with an ultra-thin wearing layer.
Background
The asphalt is a black brown complex mixture composed of hydrocarbons with different molecular weights and nonmetal derivatives thereof, is one of high-viscosity organic liquids, mostly exists in a liquid or semisolid petroleum form, has a black surface, and can be dissolved in carbon disulfide and carbon tetrachloride.
The asphalt pavement structure in the prior art has poor wear resistance when in use, and asphalt liquid can permeate into a pavement layer below asphalt when in pavement, so that the pavement is not ideal, so that an asphalt pavement structure with an ultra-thin wearing layer is provided for solving the problems.
Disclosure of Invention
The invention provides an asphalt pavement structure with an ultra-thin wearing layer, which is based on the technical problems that the abrasion resistance of the asphalt pavement structure is poor when the asphalt pavement structure is used, and meanwhile, asphalt liquid can permeate into a laying layer below asphalt during laying, so that the laying is not ideal.
The invention provides an asphalt pavement structure with an ultra-thin wearing layer, which comprises an asphalt pavement main body, wherein the asphalt pavement main body is composed of petroleum, water, styrene, butadiene, styrene block copolymer, broken stone, gravel, sand, stone chips, limestone powder, volcanic ash, polyethylene, polypropylene, polyvinyl chloride and polystyrene.
Preferably, the crude oil of the petroleum is distilled and cooled to form an asphalt layer, and the asphalt layer has the waterproof and anticorrosion effects.
Preferably, the styrene, butadiene and styrene block copolymer are stirred and mixed at high temperature to form a high polymer modified emulsion layer, and the high polymer modified emulsion layer plays a role in increasing the tensile strength of a road surface and the surface friction coefficient.
Preferably, the gravel, the sand and the stone chips are mixed to form a material collecting layer, and the material collecting layer plays a role in serving as a framework and filling, so that the road surface is prevented from collapsing.
Preferably, the limestone powder, the volcanic ash and the water are mixed to form an ore powder layer, and the ore powder layer fills gaps, so that hot asphalt is prevented from flowing, and the asphalt bonding force is enhanced.
Preferably, the polyethylene, polypropylene, polyvinyl chloride and polystyrene are mixed to form a thermoplastic resin layer, and the thermoplastic resin layer plays a role of bearing each layer at the bottom due to high toughness and damage tolerance gun.
Preferably, the laying thicknesses of the asphalt layer, the high polymer modified emulsion layer, the aggregate layer, the mineral powder layer and the thermoplastic resin layer are all 2-2.5 mm, and the asphalt pavement can achieve the highest abrasion effect by controlling the laying thicknesses.
Preferably, an asphalt layer is laid between the high polymer modified emulsion layer and the aggregate layer, an ore powder layer is laid at the bottom of the aggregate layer, a thermoplastic resin layer is laid at the bottom of the ore powder layer, and the asphalt pavement structure with the ultra-thin wearing layer is obtained by laying each layer.
Preferably, the asphalt layer, the high polymer modified emulsion layer, the aggregate layer, the mineral powder layer and the thermoplastic resin layer are all paved layer by adopting a spiral paving device, and the asphalt layer, the high polymer modified emulsion layer, the aggregate layer, the mineral powder layer and the thermoplastic resin layer are conveniently and effectively paved on each layer by adopting the spiral paving device.
Preferably, the asphalt layer, the high polymer modified emulsion layer, the aggregate layer, the mineral powder layer and the thermoplastic resin layer are paved and rolled by using a double-wheel road roller, and the layers are connected more closely by rolling through the double-wheel road roller, so that the using effect is better.
The invention has the beneficial effects that: the polymer modified emulsified mixture, the aggregate mixture, the thermoplastic resin mixture, the mineral powder mixture and the asphalt mixture are obtained by mixing petroleum, water, styrene, butadiene, styrene block copolymer, crushed stone, gravel, sand, stone chips, limestone powder, volcanic ash, polyethylene, polypropylene, polyvinyl chloride and polystyrene in batches.
And then adding the obtained mixture into a spiral spreading device in batches to carry out layer-by-layer spreading to obtain a high polymer modified emulsion layer, a material collecting layer, a thermoplastic resin layer, a mineral powder layer and an asphalt layer.
And finally, rolling the road surface for multiple times by using a double-wheel road roller to obtain the asphalt road surface structure with the ultra-thin wearing layer.
The asphalt pavement structure with the ultra-thin wearing layer is obtained by mixing a plurality of raw materials, paving the mixture by a spiral paver and rolling the mixture for a plurality of times by a double-wheel road roller.
Drawings
FIG. 1 is a front cross-sectional view of an asphalt pavement structure with an ultra-thin wearing layer according to the present invention;
FIG. 2 is a side view of an asphalt pavement structure with an ultra-thin wearing layer according to the present invention;
fig. 3 is a top view of an asphalt pavement structure with an ultra-thin wearing layer according to the present invention.
In the figure: the asphalt pavement comprises an asphalt pavement main body 1, a high polymer modified emulsion layer 2, a material collecting layer 3, a thermoplastic resin layer 4, an ore powder layer 5 and an asphalt layer 6.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Referring to fig. 1 to 3, the present embodiment proposes an asphalt pavement structure having an ultra-thin wearing layer, which includes an asphalt pavement body 1, and the asphalt pavement body 1 is composed of petroleum, water, styrene, butadiene, styrene block copolymer, crushed stone, gravel, sand, stone chips, limestone powder, volcanic ash, polyethylene, polypropylene, polyvinyl chloride, and polystyrene.
In this embodiment, the crude oil of petroleum forms the pitch layer 6 after the distillation cooling, and pitch layer 6 plays waterproof and anticorrosive effect.
In this embodiment, styrene, butadiene and styrene block copolymer stir the mixture through high temperature and form high polymer modified emulsion layer 2, and high polymer modified emulsion layer 2 plays the effect that increases the tensile strength on road surface, increases the coefficient of surface friction.
In this embodiment, rubble, gravel, sand and stone chip mix to constitute and are the aggregate layer 3, and aggregate layer 3 plays the effect of making the skeleton with the packing, prevents that the road surface from appearing collapsing.
In the embodiment, the limestone powder, the volcanic ash and the water are mixed to form the mineral powder layer 5, and the mineral powder layer 5 fills gaps, so that the hot asphalt is prevented from flowing, and the asphalt bonding force is enhanced.
In this embodiment, the thermoplastic resin layer 4 is formed by mixing polyethylene, polypropylene, polyvinyl chloride, and polystyrene, and the thermoplastic resin layer 4 plays a role of supporting each layer at the bottom due to its high toughness and damage tolerance gun.
In this embodiment, the asphalt layer 6, the polymer modified emulsion layer 2, the aggregate layer 3, the mineral powder layer 5 and the thermoplastic resin layer 4 are laid to a thickness of 2 mm to 2.5 mm, and the asphalt pavement can achieve the highest wear effect by controlling the thickness of the laying.
In this embodiment, an asphalt layer 6 is laid between the polymer modified emulsion layer 2 and the aggregate layer 3, an ore powder layer 5 is laid at the bottom of the aggregate layer 3, and a thermoplastic resin layer 4 is laid at the bottom of the ore powder layer 5, and by laying each layer, an asphalt pavement structure with an ultra-thin wearing layer is obtained.
In this embodiment, the asphalt layer 6, the high polymer modified emulsion layer 2, the aggregate layer 3, the mineral powder layer 5 and the thermoplastic resin layer 4 are all laid layer by adopting a spiral spreader, and the respective layers are conveniently and effectively laid by the spiral spreader.
In this embodiment, all use double round road roller to roll between asphalt layer 6, the modified emulsion layer of high polymer 2, the layer of gathering materials 3, powdered ore layer 5 and the 4 successive layers of thermoplastic resin layer are laid, roll through double round road roller, make each layer connect more closely, the result of use is better.
In this embodiment, during actual operation, petroleum, water, styrene, butadiene, styrene block copolymer, crushed stone, gravel, sand, stone chips, limestone powder, volcanic ash, polyethylene, polypropylene, polyvinyl chloride, and polystyrene are added into a mixer in batches to be mixed, a high polymer modified emulsified mixture, an aggregate mixture, a thermoplastic resin mixture, an ore powder mixture, and an asphalt mixture are obtained after mixing, the obtained mixture is added into a spiral paver in batches to be paved layer by layer, a high polymer modified emulsified layer 2, an aggregate layer 3, a thermoplastic resin layer 4, an ore powder layer 5, and an asphalt layer 6 which are paved layer by layer are obtained after finishing, and finally, a road surface is rolled for multiple times by a double-wheel road roller, so that an asphalt road surface structure with an ultra-thin wearing layer is obtained.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. An asphalt pavement structure with an ultra-thin wearing layer comprises an asphalt pavement main body (1), and is characterized in that the asphalt pavement main body (1) is composed of petroleum, water, styrene, butadiene, styrene block copolymer, broken stone, gravel, sand, stone chips, limestone powder, volcanic ash, polyethylene, polypropylene, polyvinyl chloride and polystyrene.
2. An asphalt pavement structure with ultra-thin wearing course according to claim 1, characterized in that the crude oil of petroleum is distilled and cooled to form an asphalt layer (6).
3. The asphalt pavement structure with ultra-thin wearing course according to claim 1, wherein said styrene, butadiene and styrene block copolymer are mixed by high temperature stirring to form a high polymer modified emulsion layer (2).
4. An asphalt pavement structure with ultra-thin wearing course according to claim 1, characterized in that said crushed stone, gravel, sand and stone dust are mixed to form aggregate layer (3).
5. An asphalt pavement structure with ultra-thin wearing course according to claim 1, characterized in that the limestone powder, volcanic ash and water are mixed to form a mineral powder layer (5).
6. An asphalt pavement structure with ultra-thin wearing course according to claim 1, characterized in that said thermoplastic resin layer (4) is composed of polyethylene, polypropylene, polyvinyl chloride and polystyrene.
7. The asphalt pavement structure with ultra-thin wearing course according to any one of claims 2 to 6, wherein the asphalt layer (6), the polymer modified emulsion layer (2), the aggregate layer (3), the mineral powder layer (5) and the thermoplastic resin layer (4) are laid in a thickness of 2 mm to 2.5 mm.
8. The asphalt pavement structure with the ultra-thin wearing layer as claimed in claim 7, wherein an asphalt layer (6) is laid between the high polymer modified emulsion layer (2) and the aggregate layer (3), a mineral powder layer (5) is laid at the bottom of the aggregate layer (3), and a thermoplastic resin layer (4) is laid at the bottom of the mineral powder layer (5).
9. The asphalt pavement structure with ultra-thin wearing layers as claimed in claim 7, wherein the asphalt layer (6), the polymer modified emulsion layer (2), the aggregate layer (3), the mineral powder layer (5) and the thermoplastic resin layer (4) are laid layer by using a spiral spreader.
10. The asphalt pavement structure with the ultra-thin wearing layer as claimed in claim 7, wherein a two-wheel roller is used for rolling between the layers of asphalt layer (6), high polymer modified emulsion layer (2), aggregate layer (3), mineral powder layer (5) and thermoplastic resin layer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110626489.3A CN113355970A (en) | 2021-06-04 | 2021-06-04 | Asphalt pavement structure with ultra-thin wearing layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110626489.3A CN113355970A (en) | 2021-06-04 | 2021-06-04 | Asphalt pavement structure with ultra-thin wearing layer |
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| Publication Number | Publication Date |
|---|---|
| CN113355970A true CN113355970A (en) | 2021-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110626489.3A Pending CN113355970A (en) | 2021-06-04 | 2021-06-04 | Asphalt pavement structure with ultra-thin wearing layer |
Country Status (1)
| Country | Link |
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| CN (1) | CN113355970A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030203995A1 (en) * | 2002-03-15 | 2003-10-30 | Wilson Jack H. | Pavement sealing composition using steel slag particles |
| KR20180056123A (en) * | 2016-11-18 | 2018-05-28 | (주) 만훈 | Modified aspalt binder and manufacturing method compoisition thereof |
-
2021
- 2021-06-04 CN CN202110626489.3A patent/CN113355970A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030203995A1 (en) * | 2002-03-15 | 2003-10-30 | Wilson Jack H. | Pavement sealing composition using steel slag particles |
| KR20180056123A (en) * | 2016-11-18 | 2018-05-28 | (주) 만훈 | Modified aspalt binder and manufacturing method compoisition thereof |
Non-Patent Citations (3)
| Title |
|---|
| 何挺继主编: "《公路机械化施工手册》", 31 October 2002, 人民交通出版社 * |
| 文德云主编: "《公路施工技术》", 30 June 2003, 人民交通出版社 * |
| 谢军主编: "《路基路面工程》", 30 June 2017, 重庆大学出版社 * |
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Application publication date: 20210907 |
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