CN213740394U - Waterproof crack-proof asphalt pavement based on cement stabilized macadam base - Google Patents
Waterproof crack-proof asphalt pavement based on cement stabilized macadam base Download PDFInfo
- Publication number
- CN213740394U CN213740394U CN202022472211.9U CN202022472211U CN213740394U CN 213740394 U CN213740394 U CN 213740394U CN 202022472211 U CN202022472211 U CN 202022472211U CN 213740394 U CN213740394 U CN 213740394U
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- Prior art keywords
- layer
- waterproof
- laid
- stabilized macadam
- cement
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- 239000010426 asphalt Substances 0.000 title claims abstract description 50
- 239000004568 cement Substances 0.000 title claims abstract description 22
- 239000010410 layer Substances 0.000 claims abstract description 101
- 239000000203 mixture Substances 0.000 claims abstract description 30
- 239000002344 surface layer Substances 0.000 claims abstract description 14
- 239000000835 fiber Substances 0.000 claims abstract description 10
- 229920000728 polyester Polymers 0.000 claims abstract description 10
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 239000013521 mastic Substances 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract description 4
- 239000012790 adhesive layer Substances 0.000 abstract description 4
- 230000003014 reinforcing effect Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a waterproof crack-proof asphalt pavement based on a cement stabilized macadam base course, which belongs to the technical field of pavement structures and comprises a cement stabilized macadam base course, a base course, an asphalt mixture surface course and an abrasion layer, a base layer is laid on the top end of the cement stabilized macadam base layer, the base layer comprises a macadam base layer and a polyester fiber rubber asphalt mixing layer, the top end of the base layer is paved with an adhesive layer, the top end of the adhesive layer is paved with a waterproof layer, the top end of the waterproof layer is paved with an asphalt mixture surface layer, the asphalt mixture surface layer is provided with three layers, adhesive layer oil is laid between two adjacent layers in the three layers of asphalt mixture surface layers, the top end of the asphalt mixture surface layer is laid with an abrasion layer, the utility model is provided with a polyester fiber rubber asphalt mixing layer, the reinforcing structure has a reinforcing effect on the road surface, improves the stability of the road surface, and simultaneously hinders the further extension of cracks.
Description
Technical Field
The utility model relates to a road surface technical field specifically is a waterproof crack-resistant bituminous pavement based on cement stabilized macadam basic unit is last.
Background
Due to the variability of environmental conditions and traffic states, asphalt pavements can be damaged in different degrees in the using process, such as loosening, abrasion, water damage, cracks and the like, if the asphalt pavements are not maintained timely, the overall strength of the asphalt pavements can be reduced, and finally large-area pavements are damaged. Most of the existing asphalt pavements adopt semi-rigid base courses, the semi-rigid base courses are prone to temperature shrinkage and drying shrinkage cracks, cracks formed after long time can gradually penetrate through asphalt layers to form reflection cracks, water can easily enter the pavements, softening of the pavements is accelerated, the service life of the pavements is shortened, and therefore the waterproof crack-proof asphalt pavements based on cement stabilized macadam base courses are provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a waterproof crack-proof bituminous pavement based on cement stabilized macadam basic unit 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 waterproof crack asphalt pavement that prevents based on cement stabilized macadam basic unit is last, includes cement stabilized macadam basic unit, bituminous mixture surface course and wearing and tearing layer, the basic unit has been laid on cement stabilized macadam basic unit top, the basic unit includes macadam basic unit and polyester fiber rubber asphalt mixing layer, the tie coat has been laid on the basic unit top, the waterproof layer has been laid on the tie coat top, the bituminous mixture surface course has been laid on the waterproof layer top, the bituminous mixture surface course is equipped with the three-layer, the three-layer the viscous layer oil has been laid between adjacent two-layer in the bituminous mixture surface course, the wearing and tearing layer has been laid on bituminous mixture surface course top.
Preferably, an oil-sticking layer is laid between the gravel base and the cement-stabilized gravel base.
Preferably, the bonding layer is composed of broken stones, and the thickness of the bonding layer is 0.7-0.9 cm.
Preferably, the waterproof layer is a rubber asphalt stress absorption layer with the thickness of 2cm and composed of basalt macadam.
Preferably, the thickness of each layer of the three asphalt mixture surface layers is 7-9cm, 6-8cm and 5-7cm correspondingly.
Preferably, the wearing layer is a mixed wearing layer of asphalt mastic macadam with the thickness of 3 cm.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model is provided with the polyester fiber rubber asphalt mixing layer, which plays a role of reinforcing the pavement, improves the stability of the pavement and simultaneously hinders the further extension of cracks; the waterproof layer is arranged, so that on one hand, a water blocking effect is achieved, and in addition, the further extension of cracks is also hindered; the asphalt mixture surface layer is arranged, so that the protective effect on the road surface can be achieved, and meanwhile, water is prevented from seeping downwards; be provided with the wearing and tearing layer, increased the degree of resistance to wears on road surface, effectually prevented that water from oozing downwards, through multilayer protection, improved the life on road surface.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a cement stabilized macadam base; 2. a base layer; 21. a macadam base; 22. a polyester fiber rubber asphalt mixed layer; 3. a bonding layer; 4. a waterproof layer; 5. a bituminous mixture surface layer; 6. a wearing layer; 7. and (4) oil layer adhesion.
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, the present invention provides a technical solution: a waterproof crack-resistant asphalt pavement based on a cement stabilized macadam base layer comprises a cement stabilized macadam base layer 1, a base layer 2, an asphalt mixture surface layer 5 and a wearing layer 6, wherein the thickness of the cement stabilized macadam base layer 1 is 50cm, the whole bearing capacity of the pavement can be improved by the cement stabilized macadam base layer 1, the base layer 2 is laid at the top end of the cement stabilized macadam base layer 1, the base layer 2 comprises a macadam base layer 21 and a polyester fiber rubber asphalt mixing layer 22, the thickness of the macadam base layer 21 is 8cm, a roadbed is reinforced by the macadam base layer 21, the stability of the pavement is improved, an oil-sticking layer 7 is laid between the macadam base layer 21 and the cement stabilized macadam base layer 1, the adhesion between the macadam base layer and the polyester fiber rubber asphalt mixing layer is improved, the thickness of the polyester fiber rubber asphalt mixing layer 22 is 9cm, the polyester fiber rubber asphalt mixing layer 22 plays a role in reinforcing the pavement, the stability of the pavement is improved, and the further extension of cracks is also hindered, the top end of the base layer 2 is paved with a bonding layer 3, the bonding layer 3 is composed of broken stones, the hardness of the broken stones is large, the thickness of the bonding layer 3 is 0.7-0.9cm, the top end of the bonding layer 3 is paved with a waterproof layer 4, the waterproof layer 4 is a rubber asphalt stress absorption layer which is composed of basalt broken stones and is 2cm thick, cracks can be prevented from being transmitted upwards, the top end of the waterproof layer 4 is paved with an asphalt mixture surface layer 5, the asphalt mixture surface layer 5 is provided with three layers, adhesive layer oil is paved between two adjacent layers in the three layers of asphalt mixture surface layers 5, the adhesion between the layers is increased, the three layers of asphalt mixture surface layers 5 are respectively AC-25 type asphalt mixtures, and the thickness of the asphalt mixtures is 7-9 cm; the AC-16 type asphalt mixture has the thickness of 6-8 cm; the thickness of the AC-13 type asphalt mixture is 5-7cm, so that the multi-layer protection effect can be achieved, water is effectively prevented from seeping downwards, the wearing layer 6 is laid on the top end of the asphalt mixture surface layer 5, the wearing layer 6 is a 3cm thick asphalt mastic gravel mixed wearing layer, the abrasion resistance degree of the road surface is increased, and meanwhile, water is prevented from seeping downwards.
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 (6)
1. The utility model provides a waterproof crack asphalt pavement of preventing based on cement stabilized macadam basic unit, includes cement stabilized macadam basic unit (1), basic unit (2), bituminous mixture surface course (5) and wearing and tearing layer (6), its characterized in that: base course (2) have been laid on cement stabilized macadam basic unit (1) top, base course (2) are including macadam basic unit (21) and polyester fiber rubber pitch mix layer (22), tie coat (3) have been laid on base course (2) top, waterproof layer (4) have been laid on tie coat (3) top, bituminous mixture surface course (5) have been laid on waterproof layer (4) top, bituminous mixture surface course (5) are equipped with the three-layer, the three-layer bond coat oil has been laid between adjacent two-layer in bituminous mixture surface course (5), wearing and tearing layer (6) have been laid on bituminous mixture surface course (5) top.
2. The waterproof and crack-resistant asphalt pavement based on the cement-stabilized macadam base layer as claimed in claim 1, wherein: an oil-sticking layer (7) is laid between the gravel base layer (21) and the cement stabilized gravel base layer (1).
3. The waterproof and crack-resistant asphalt pavement based on the cement-stabilized macadam base layer as claimed in claim 1, wherein: the bonding layer (3) is composed of gravels, and the thickness of the bonding layer (3) is 0.7-0.9 cm.
4. The waterproof and crack-resistant asphalt pavement based on the cement-stabilized macadam base layer as claimed in claim 1, wherein: the waterproof layer (4) is a rubber asphalt stress absorption layer which is composed of basalt macadam and is 2cm thick.
5. The waterproof and crack-resistant asphalt pavement based on the cement-stabilized macadam base layer as claimed in claim 1, wherein: the corresponding thickness of each of the three asphalt mixture surface layers (5) is 7-9cm, 6-8cm and 5-7 cm.
6. The waterproof and crack-resistant asphalt pavement based on the cement-stabilized macadam base layer as claimed in claim 1, wherein: the wearing layer (6) is a mixed wearing layer of asphalt mastic macadam with the thickness of 3 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022472211.9U CN213740394U (en) | 2020-10-31 | 2020-10-31 | Waterproof crack-proof asphalt pavement based on cement stabilized macadam base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022472211.9U CN213740394U (en) | 2020-10-31 | 2020-10-31 | Waterproof crack-proof asphalt pavement based on cement stabilized macadam base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213740394U true CN213740394U (en) | 2021-07-20 |
Family
ID=76855955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022472211.9U Expired - Fee Related CN213740394U (en) | 2020-10-31 | 2020-10-31 | Waterproof crack-proof asphalt pavement based on cement stabilized macadam base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213740394U (en) |
-
2020
- 2020-10-31 CN CN202022472211.9U patent/CN213740394U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210720 |