CN211897684U - Road pavement structure with snow melt ice efficiency - Google Patents
Road pavement structure with snow melt ice efficiency Download PDFInfo
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- CN211897684U CN211897684U CN201922419214.3U CN201922419214U CN211897684U CN 211897684 U CN211897684 U CN 211897684U CN 201922419214 U CN201922419214 U CN 201922419214U CN 211897684 U CN211897684 U CN 211897684U
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Abstract
The utility model discloses a road surface structure with snow melt deicing efficiency, including original ground, original ground top tamps has the rubble ground, the gravel bed course has been laid at rubble ground bed course top, cement stabilized macadam basic unit has been laid at gravel bed course top, the thin paste seal has been pour at cement stabilized macadam basic unit top, asphalt concrete lower surface course has been laid at thin paste seal top, the adhesive linkage has been laid at asphalt concrete lower surface course top. This road surface structure of snow melt ice efficiency, through mix the phase change material that adjusts the temperature of DTC in asphalt concrete upper surface, the phase change material that adjusts the temperature of DTC has absorption solar energy, the effect of automatically regulated road surface temperature is realized to the stored energy, under the snowing condition in winter, can melt partial ice and snow for road surface and snow water layer can not become the ice surface, the clearance of being convenient for, reduction traffic accident that can be very big, the driving safety of assurance road, the effect that has snow melt skating has been reached.
Description
The technical field is as follows:
the utility model relates to a road structure engineering technical field especially relates to a road pavement structure with snow melt deicing efficiency.
Background art:
at present, road ice and snow removing methods are mainly divided into two types: the direct cleaning method, the electric heating melting method and the chemical melting method require a large amount of manpower, and have poor effect and low efficiency; the electric heating melting method has higher construction difficulty, has the problem of uneven heating and has larger influence on the whole due to local damage; the chemical melting method is a snow and ice melting method widely applied at present due to the advantages of simple operation, low price, high snow melting effect and the like, the direct clearing method and the snow removing method by spreading a snow melting agent are both one-time clearing methods, a large amount of manpower and material resources are consumed when the chemical melting method is used in areas with frequent snow falling, the electric heating melting method is to add heating units in a pavement structure to play a role in melting snow and ice, and the electric conduction structure layer is added in the original pavement structure layer to have certain influence on the stress of the pavement structure, so that the road pavement structure with the snow and ice melting effect has important practical significance.
The utility model has the following contents:
an object of the utility model is to provide a road surface structure with snow melt deicing efficiency to solve the not enough of prior art.
The utility model discloses by following technical scheme implement: the utility model provides a road surface structure with snow melt deicing efficiency, includes original ground, original ground top tamps has the rubble ground, the gravel bed course has been laid at rubble ground foundation top, cement stabilized macadam basic unit has been laid at gravel bed course top, the thin paste seal has been pour at cement stabilized macadam basic unit top, bituminous concrete lower surface course has been laid at thin paste seal top, the viscous layer has been laid at bituminous concrete lower surface course top, the bituminous concrete upper surface course has been laid at the viscous layer top, the shrinkage joint has been seted up to bituminous concrete upper surface course top.
Preferably, the coarse stone foundation is composed of coarse stone, quicklime and fly ash, and is mainly formed by tamping the coarse stone.
Preferably, the lower layer of the asphalt concrete is medium-particle AC-20 suspension structure asphalt concrete.
Preferably, the cement-stabilized macadam base layer is divided into an upper layer and a lower layer, the cement content of the upper layer is 5%, and the cement content of the lower layer is 4%.
Preferably, the upper surface layer of the asphalt concrete is fine-grain AC-13SBS modified asphalt concrete, the DTC road temperature self-regulating ice and snow melting phase change material is doped in the upper surface layer of the asphalt concrete, and the content of the DTC road temperature self-regulating ice and snow melting phase change material is 4% of the mass of the asphalt mixture.
The utility model has the advantages that:
1. this road surface structure with snow melt deicing efficiency, through the phase change material that adjusts the temperature of DTC of doping in asphalt concrete upper surface layer, DTC phase change material that adjusts the temperature has the absorption solar energy, and the effect of automatically regulated road surface temperature is realized to the stored energy, under the snowing condition in winter, can melt partial ice and snow for road surface and snow water layer can not become the ice surface, the clearance of being convenient for, reduction traffic accident that can be very big, the driving safety of assurance road, the effect that has snow melt skating has been reached.
2. According to the road pavement structure with the snow and ice melting effects, the DTC in the asphalt concrete upper layer is directly mixed when the asphalt mixture upper layer is mixed, the construction is simple and convenient, the DTC does not replace mineral powder and asphalt, the DTC can be manually put in without changing any technical and equipment conditions when being mixed, and can also be automatically added mechanically, the mixing, transportation, paving and rolling of the DTC asphalt mixture are the same as the current standard requirements, new construction equipment does not need to be added during construction, new construction procedures are added, and the effect of effectively reducing the construction cost is achieved.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the shrinkage joint structure of the present invention.
Wherein: 1. original ground; 2. a coarse stone foundation; 3. a gravel cushion layer; 4. a cement stabilized macadam base; 5. slurry sealing; 6. an asphalt concrete lower surface layer; 7. sticking a layer; 8. an upper asphalt concrete layer; 9. and (5) shrinking the seam.
The specific implementation mode is as follows:
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 efforts belong to the protection scope of the present invention.
As shown in figures 1 and 2, a road pavement structure with snow melting and deicing effects comprises an original ground 1, wherein a coarse stone foundation 2 is tamped on the top of the original ground 1, the coarse stone foundation 2 is composed of coarse stone, quicklime and fly ash, and is mainly formed by tamping the coarse stone and is used for improving the stability of the pavement structure, the quicklime and the fly ash are used for absorbing moisture, a gravel cushion layer 3 is laid on the top of the coarse stone foundation 2, the thickness of the gravel cushion layer 3 is twenty centimeters and is tamped, a cement stabilizing gravel base layer 4 is laid on the top of the cushion layer 3, the cement stabilizing gravel base layer 4 is used for stabilizing the bottom foundation and preventing the later-stage pavement from collapsing and cracking, the cement stabilizing gravel base layer 4 is divided into an upper layer and a lower layer, the upper layer has 5 percent of cement, the lower layer has 4 percent of cement, the upper layer and the lower layer have twenty centimeters in thickness, a slurry seal layer 5 is poured on the, the thickness of the thin slurry seal 5 cannot be less than 0.6 cm, the thin slurry seal is mainly used for foundation waterproofing, the top of the thin slurry seal 5 is paved with an asphalt concrete lower surface layer 6, the thickness of the asphalt concrete lower surface layer 6 is six cm, the asphalt concrete lower surface layer 6 is medium-particle AC-20 suspension structure asphalt concrete, the medium-particle asphalt of the asphalt concrete lower surface layer 6 is used for preventing road surface deviation caused by large traffic flow, meanwhile, the asphalt gap of the medium-particle asphalt is large and has good heat insulation function, the top of the asphalt concrete lower surface layer 6 is paved with a bonding layer 7, the bonding layer 7 is made of bonding oil, the top of the bonding layer 7 is paved with an asphalt concrete upper surface layer 8, the asphalt concrete upper surface layer 8 is fine-particle type AC-13SBS modified asphalt concrete, the DTC road temperature self-regulating ice-snow melting phase change material is doped in the asphalt concrete upper surface layer 8, and the content is 4% of the mass of the asphalt mixture, the DTC temperature-regulating phase-change material has the functions of absorbing solar energy and storing energy to realize automatic regulation of the temperature of the pavement, and is beneficial to improving the low-temperature crack resistance of the asphalt mixture; under the snowing condition in winter, can melt partial ice and snow, make road surface and snow water layer can not become the ice surface, be convenient for clear up, reduction traffic accident that can be very big, guarantee the driving safety of road, the DTC phase change material environmental protection that adjusts the temperature is nontoxic, can not lead to the fact adverse effect to road performance and surrounding environment, shrinkage joint 9 has been seted up at asphalt concrete upper surface layer 8 top, shrinkage joint 9 is used for improving the life of road, prevent road expend with heat and contract with cold and collapse, and increased asphalt concrete upper surface layer 8's heat absorption area, the ability of melting snow and thawing has been improved.
When the cement stabilized macadam foundation is used, firstly, crude stones and quicklime and fly ash are paved on the upper portion of an original ground 1 and tamped into a coarse stone foundation 2 and deposited for a period of time, then, a gravel cushion layer 3 and a cement stabilized macadam base layer 4 are paved on the upper portion of the coarse stone foundation 2, then, a slurry seal layer 5 is poured on the top of the cement stabilized macadam base layer 4 for filling and reinforcing, finally, an asphalt concrete lower surface layer 6 is poured and compacted, an adhesive layer 7 is smeared on the surface of the asphalt concrete lower surface layer, an asphalt concrete upper surface layer 8 is paved on the top seal after the asphalt concrete lower surface layer is poured and compacted.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. The utility model provides a road surface structure with snow melt deicing efficiency, includes original ground (1), its characterized in that, original ground (1) top is tamped there is rubble ground (2), gravel bed course (3) have been laid at rubble ground (2) top, cement stabilization gravel basic unit (4) have been laid at gravel bed course (3) top, slurry seal (5) have been poured at cement stabilization gravel basic unit (4) top, bituminous concrete lower surface course (6) have been laid at slurry seal (5) top, adhesive layer (7) have been laid at bituminous concrete lower surface course (6) top, bituminous concrete upper surface course (8) have been laid at adhesive layer (7) top, shrinkage joint (9) have been seted up at bituminous concrete upper surface course (8) top.
2. The road pavement structure with the effects of melting snow and ice according to claim 1, characterized in that the asphalt concrete lower surface layer (6) is medium-particle AC-20 suspension structure asphalt concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922419214.3U CN211897684U (en) | 2019-12-27 | 2019-12-27 | Road pavement structure with snow melt ice efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922419214.3U CN211897684U (en) | 2019-12-27 | 2019-12-27 | Road pavement structure with snow melt ice efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211897684U true CN211897684U (en) | 2020-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922419214.3U Active CN211897684U (en) | 2019-12-27 | 2019-12-27 | Road pavement structure with snow melt ice efficiency |
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| Country | Link |
|---|---|
| CN (1) | CN211897684U (en) |
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2019
- 2019-12-27 CN CN201922419214.3U patent/CN211897684U/en active Active
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