CN205603994U - Pitch shop front road structure with from cooling function - Google Patents
Pitch shop front road structure with from cooling function Download PDFInfo
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- CN205603994U CN205603994U CN201620191743.6U CN201620191743U CN205603994U CN 205603994 U CN205603994 U CN 205603994U CN 201620191743 U CN201620191743 U CN 201620191743U CN 205603994 U CN205603994 U CN 205603994U
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- asphalt layer
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Abstract
The utility model discloses a pitch shop front road structure with from cooling function, its pitch shop front road structure is rubble basal layer, mediumgrain bituminous mixture layer and particulate bituminous mixture layer from bottom to top in proper order, set up in mediumgrain bituminous mixture layer and the particulate bituminous mixture layer from lowering the temperature nonrust steel pipe, the stainless steel of lowering the temperature certainly is intraductal to have the evaporated liquor, set up along crooked extension of shop front extending direction from the nonrust steel pipe of cooling to in inflection department protrusion road both sides, set up cooling condensation post on the nonrust steel pipe of cooling certainly of protrusion road both sides, be provided with multilayer radiating fin between the adjacent cooling condensation post of two homonymies, the nonrust steel pipe of lowering the temperature certainly, cooling condensation post, multilayer radiating fin through connections form inclosed evaporation -condensation space. This structure is laid from lowering the temperature nonrust steel pipe in pitch shop front layer, can effectively reduce pitch shop front structure temperature under high temperature, prevents the formation of rut, can be applied to the pitch shop front structure of highway, national highway, provincial highway etc..
Description
Technical field
The invention belongs to road pavement technical field, be specifically related to a kind of bituminous paved road structure having from cooling function.
Background technology
In recent years, China's transportation cause obtains fast development, during many traffic infrastructures are built the most in high gear, wherein, asphalt pavement structure, owing to having preferable road-ability, being prone to features such as repairing, initial stage cost is low, has been increasingly becoming pavement structure most-often used in road engineering.Constantly increasing however as China's volume of transport, heavy duty, overload are serious, in hot environment, easily form rut on bituminous paving, cause the easy hydrops in road surface, paving became uneven, the comfortableness of impact driving and safety, and also result in generation and the aggravation of other failure mode of paving.For many years, domestic and international technical staff constantly designs from pavement structure, paving material, additive etc., and the method for Effect of Anti rut and technology achieve certain achievement in research.But, under the extreme conditions such as overload, heavy duty, high temperature, preventing and treating asphalt pavement rut is still one of global difficult problem.
Summary of the invention
Goal of the invention: present invention aim at for the deficiencies in the prior art, there is provided a kind of structural stability good, being applicable to various weather conditions, be particularly suitable for hot environment has the bituminous paved road structure that can be widely applied to highway, national highway, provincial highway, county road, township road, urban road etc. from cooling function.
Technical scheme: a kind of bituminous paved road structure having from cooling function of the present invention, its bituminous paved road structure is followed successively by broken stone foundation layer and asphalt layer from bottom to top, arranging from lowering the temperature stainless steel tube in described asphalt layer, described have evaporation liquid in cooling stainless steel tube；The described stainless steel tube of cooling certainly is arranged along paving bearing of trend bending extension, and at inflection, protrude road both sides, protrude road both sides, cooling condensation column is set from lowering the temperature on stainless steel tube, it is provided with multi-layer heat dissipation fin on described cooling condensation column, described from stainless steel tube of lowering the temperature, cooling condensation column and the through connection of multi-layer heat dissipation fin, form airtight evaporative condenser space.
Preferably, described broken stone foundation layer thickness is 20～30cm, for graded broken stone, ballast grain sizes≤31.5mm, uses cement stabilized macadam.
Preferably, described asphalt layer includes that middle grain asphalt layer and particulate asphalt layer, the intersection of described middle grain asphalt layer and particulate asphalt layer arrange described stainless steel tube of certainly lowering the temperature；Described middle grain asphalt layer thickness is 12～20cm, and particle diameter is 0.075～26.5mm；Described thickness is 4～6cm, and particle diameter is 0.075～13.2mm.
Preferably, described middle grain asphalt layer is the one in ATB-25 asphalt layer, AC-25 asphalt concrete layer, HMAC-20 High Modulus Asphalt Mixture layer, Superpave-25 high-performance asphalt pavement layer；Described particulate asphalt layer is the one in SMA-13 asphalt layer, AC-13 asphalt layer or OGFC-13 asphalt layer；Glutinous layer oil is sprayed between described middle grain asphalt layer and described particulate asphalt layer.
Preferably, described be circle or regular hexagon or equilateral triangle or square from cooling stainless steel tube cross section.
Preferably, being provided with air pressure regulator and baroceptor in described cooling condensation column, described air pressure regulator, baroceptor electrically connect with microprocessor respectively, control the air pressure in airtight evaporative condenser space between 0.6～3 normal atmosphere.
Preferably, described microprocessor is single-chip microcomputer or PLC；Microprocessor electrically connects with hydropac device, and hydropac device includes warning lamp and alarming apparatus.
Preferably, described is provided with liquid level sensor and electromagnetism on-off valve in cooling stainless steel tube, described liquid level sensor, electromagnetism on-off valve electrically connect with described microprocessor respectively, described electromagnetism on-off valve stores with evaporation liquid or conveyer device is connected, and it is from the 1/4～1/2 of stainless steel tube depth of section of lowering the temperature that described liquid level sensor, microprocessor, electromagnetism on-off valve control described liquid level.
Preferably, described evaporation liquid is water.
Beneficial effect: the middle grain asphalt layer used in this structure can be reasonably resistant to asphalt pavement surface temperature stress, improves the ability of the high temperature resistance deformation in paving, cooperates with particulate asphalt layer and can effectively prevent the generation of rut；Formed from cooling structure from cooling stainless steel tube, cooling condensation column, multi-layer heat dissipation fin, the heat in asphalt pavement is absorbed from cooling steel pipe, reduce the temperature of asphalt pavement, evaporation liquid evaporation, steam enters radiating fin by cooling condensation column, air flowing between radiating fin, take away heat, steam is condensed into evaporation liquid, flow back to from lowering the temperature stainless steel tube, continue to absorb the heat in asphalt pavement, can effectively reduce asphalt pavement structure paving temperature at high temperature, thus contribute to preventing the formation of rut；In cooling stainless steel tube, air pressure regulator, baroceptor, air pressure regulator and baroceptor are set, and electrically connect with microprocessor respectively, microprocessor connects hazard detection system, monitoring road surface is from lowering the temperature situation in real time, contribute to finding and process road surface cooling problem in time, can be widely applied to the bituminous paved road structure of highway, national highway, provincial highway, county road, township road, urban road etc..
Accompanying drawing explanation
Fig. 1 is that the present invention is from cooling stainless steel tube varying cross-section schematic diagram；
Fig. 2 is to lay schematic diagram in asphalt pavement structure from cooling stainless steel tube；
Fig. 3 is cooling condensation column and radiation fin structure schematic diagram；
Fig. 4 is to have the asphalt pavement sectional view from cooling function；
Fig. 5 is control unit schematic diagram of the present invention；
Wherein: 1, broken stone foundation layer；2, middle grain asphalt layer；3, particulate asphalt layer；4, certainly lower the temperature stainless steel tube；5, evaporation liquid；6, cooling condensation column；7, radiating fin；8, air pressure regulator；9, baroceptor；10, warning lamp；11, alarming apparatus, 1., circular stainless steel tube, 2. regular hexagon stainless steel tube, 3., equilateral triangle stainless steel tube, 4., square stainless steel tube.
Detailed description of the invention
Below by accompanying drawing, technical solution of the present invention is described in detail, but protection scope of the present invention is not limited to described embodiment.
Embodiment: as shown in Fig. 1～5, a kind of asphalt pavement structure having from cooling function, wherein, asphalt pavement structure is followed successively by from bottom to top: grain asphalt layer 2 and particulate asphalt layer 3 in broken stone foundation layer 1, high-performance；In described high-performance, the intersection of grain asphalt layer 2 and described particulate asphalt layer 3 arranges from cooling stainless steel tube 4, and described have evaporation liquid 5 in cooling stainless steel tube 4；From cooling stainless steel tube 4 along paving bearing of trend be serpentine bending extension arrange, and road both sides are protruded in bending place, protrude road both sides from cooling stainless steel tube 4 on arrange lower the temperature condensation column 6, it is provided with multi-layer heat dissipation fin 7 on described cooling condensation column 6, from cooling stainless steel tube 4, cooling condensation column 6 and the through connection of multi-layer heat dissipation fin 7, form airtight evaporative condenser space.Described from cooling stainless steel tube 4 cross section be circle 1. or regular hexagon 2. equilateral triangle 3. or square 4..
Broken stone foundation layer 1 thickness is 25cm, for graded broken stone, uses cement stabilized macadam, ballast grain sizes≤31.5mm；Middle grain asphalt layer 2 thickness is 18cm, and particle diameter is 0.075～26.5mm.Particulate asphalt layer thickness is 5cm, and particle diameter is 0.075～13.2mm；Described middle grain asphalt layer 2 is the one in ATB-25 asphalt layer, AC-25 asphalt concrete layer, HMAC-20 High Modulus Asphalt Mixture layer, Superpave-25 high-performance asphalt pavement layer；Described particulate asphalt layer 3 is the one in SMA-13 asphalt layer, AC-13 asphalt layer or OGFC-13 asphalt layer；Glutinous layer oil is sprayed between grain asphalt layer 2 and described particulate asphalt layer 3 in described high-performance.
Described cooling condensation column 6 is provided with air pressure regulator 8 and baroceptor 9, described air pressure regulator 8, baroceptor 9 electrically connects with microprocessor respectively, control the air pressure in airtight evaporative condenser space between 0.6～3 normal atmosphere, when the air pressure in baroceptor 9 detects evaporative condenser space is beyond above-mentioned air pressure range, microprocessor controls air pressure regulator 8 and opens, reduce the air pressure in evaporative condenser space, when the air pressure in baroceptor 9 detects evaporative condenser space is less than above-mentioned air pressure range, microprocessor controls all air pressure regulators 8 and cuts out, increase the air pressure in evaporative condenser space.
Described is provided with liquid level sensor and electromagnetism on-off valve in cooling stainless steel tube 4, described liquid level sensor, electromagnetism on-off valve electrically connect with described microprocessor respectively, electromagnetism on-off valve stores with evaporation liquid or conveyer device is connected, the liquid level of liquid 5 is evaporated in liquid level sensor detection in cooling stainless steel tube 4, and detected value is passed to microprocessor, the opening and closing of electromagnetism on-off valve is controlled by microprocessor, supplementing evaporation liquid 5, controlling described liquid level is from the 1/4～1/2 of stainless steel tube 4 depth of section of lowering the temperature.
Described evaporation liquid is water, and described microprocessor is single-chip microcomputer or PLC；Microprocessor electrically connects with hydropac device, and hydropac device includes warning lamp 10 and alarming apparatus 11.
Although as it has been described above, represented and described the present invention with reference to specific preferred embodiment, but it shall not be construed as the restriction to the present invention self.Under the spirit and scope of the present invention premise defined without departing from claims, can various changes can be made in the form and details to it.
Claims (9)
1. the bituminous paved road structure having from cooling function, it is characterized in that: described bituminous paved road structure is followed successively by broken stone foundation layer and asphalt layer from bottom to top, described asphalt layer is arranged from lowering the temperature stainless steel tube, in the described stainless steel tube of cooling certainly, be provided with evaporation liquid；The described stainless steel tube of cooling certainly is arranged along paving bearing of trend bending extension, and at inflection, protrude road both sides, protrude road both sides, cooling condensation column is set from lowering the temperature on stainless steel tube, it is provided with multi-layer heat dissipation fin on described cooling condensation column, described from stainless steel tube of lowering the temperature, cooling condensation column and the through connection of multi-layer heat dissipation fin, form airtight evaporative condenser space.
The bituminous paved road structure having from cooling function the most according to claim 1, it is characterised in that: described broken stone foundation layer thickness is 20 ~ 30
Cm, for graded broken stone, ballast grain sizes≤31.5 mm, uses cement stabilized macadam.
The bituminous paved road structure having from cooling function the most according to claim 1, it is characterized in that: it is described from lowering the temperature stainless steel tube that described asphalt layer includes that middle grain asphalt layer and particulate asphalt layer, the intersection of described middle grain asphalt layer and particulate asphalt layer are arranged；Described middle grain asphalt layer thickness is 12 ~ 20 cm, and particle diameter is 0.075 ~ 26.5 mm；The thickness of described particulate asphalt layer is 4 ~ 6 cm, and particle diameter is 0.075 ~ 13.2 mm.
The bituminous paved road structure having from cooling function the most according to claim 3, it is characterised in that: described middle grain asphalt layer is the one in ATB-25 asphalt layer, AC-25 asphalt concrete layer, HMAC-20 High Modulus Asphalt Mixture layer, Superpave-25 high-performance asphalt pavement layer；Described particulate asphalt layer is the one in SMA-13 asphalt layer, AC-13 asphalt layer or OGFC-13 asphalt layer；Glutinous layer oil is sprayed between described middle grain asphalt layer and described particulate asphalt layer.
The bituminous paved road structure having from cooling function the most according to claim 1, it is characterised in that: described be circle or regular hexagon or limit triangle or square from cooling stainless steel tube cross section.
The bituminous paved road structure having from cooling function the most according to claim 1, it is characterized in that: described cooling condensation column is provided with air pressure regulator and baroceptor, described air pressure regulator, baroceptor electrically connect with microprocessor respectively, control the air pressure in airtight evaporative condenser space between 0.6 ~ 3 normal atmosphere.
The bituminous paved road structure having from cooling function the most according to claim 6, it is characterised in that: described microprocessor is single-chip microcomputer or PLC；Microprocessor electrically connects with hydropac device, and hydropac device includes warning lamp and alarming apparatus.
The bituminous paved road structure having from cooling function the most according to claim 7, it is characterized in that: described is provided with liquid level sensor and electromagnetism on-off valve in cooling stainless steel tube, described liquid level sensor, electromagnetism on-off valve electrically connect with described microprocessor respectively, described electromagnetism on-off valve stores with evaporation liquid or conveyer device is connected, and it is from the 1/4 ~ 1/2 of stainless steel tube depth of section of lowering the temperature that described liquid level sensor, microprocessor, electromagnetism on-off valve control described liquid level.
The bituminous paved road structure having from cooling function the most according to claim 1, it is characterised in that: described evaporation liquid is water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620191743.6U CN205603994U (en) | 2016-03-14 | 2016-03-14 | Pitch shop front road structure with from cooling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620191743.6U CN205603994U (en) | 2016-03-14 | 2016-03-14 | Pitch shop front road structure with from cooling function |
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| Publication Number | Publication Date |
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| CN205603994U true CN205603994U (en) | 2016-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620191743.6U Expired - Fee Related CN205603994U (en) | 2016-03-14 | 2016-03-14 | Pitch shop front road structure with from cooling function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105603844A (en) * | 2016-03-14 | 2016-05-25 | 中建八局第三建设有限公司 | Asphalt pavement road structure with self-cooling function |
-
2016
- 2016-03-14 CN CN201620191743.6U patent/CN205603994U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105603844A (en) * | 2016-03-14 | 2016-05-25 | 中建八局第三建设有限公司 | Asphalt pavement road structure with self-cooling function |
| CN105603844B (en) * | 2016-03-14 | 2018-06-22 | 中建八局第三建设有限公司 | A kind of bituminous paved road structure having from cooling function |
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| C14 | Grant of patent or utility model | ||
| 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: 20160928 Termination date: 20190314 |