CN208219327U - A kind of temperature and humidity control system for frozen ground regions road structure - Google Patents
A kind of temperature and humidity control system for frozen ground regions road structure Download PDFInfo
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- CN208219327U CN208219327U CN201820590797.9U CN201820590797U CN208219327U CN 208219327 U CN208219327 U CN 208219327U CN 201820590797 U CN201820590797 U CN 201820590797U CN 208219327 U CN208219327 U CN 208219327U
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- roadbed
- temperature
- draining board
- heating
- water draining
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Abstract
A kind of temperature and humidity control system for frozen ground regions road structure, including being set to the waterproof and water drainage system of roadbed lower part, the thermal insulation layer of the heating device in the middle part of roadbed and roadbed top；The waterproof and water drainage system includes the substrate composite water draining board for being set to roadbed bottom, is respectively equipped with gutter in the substrate composite water draining board two sides, is freezed at line above substrate composite water draining board equipped with herringbone composite water draining board.The utility model gives full play to heating wire and efficiently generates heat and the efficient heat-conductive characteristic of heating tube, be conducive to the evaporation of liquid water in subgrade soils, in conjunction with waterproof/drainage structure and the solar battery that can be powered for a long time for heating device, guarantee that subgrade soils are chronically at low-water-content state, freezing soil is prevented and treated, the deformation of roadbed is effectively inhibited.
Description
Technical field
The utility model belongs to cyopedology field, and in particular to a kind of temperature for frozen ground regions road structure
Humidity control system.
Background technique
In High-cold regions highway, railway construction, often there are frost zones for foundation of road bed, since frost zone is special
Physical property, under unfreezing, to roadbed damage even deform, the operation of highway, railway is caused huge
Security risk.Especially west Sichuan plateau belongs to subfrigid zone monsoon climatic region on climate characteristic and the friendship of plateau continental climate is rubbed
Area has a moderate climate mostly cold, also more rainfalls, in rainy season set, can accumulate a large amount of moisture in roadbed, after Withdrawal quickly into
Enter freezing period, at this moment wants to prevent frost heave that from needing very more heats, and then timely exhaust or evaporate inside roadbed
Moisture seems extremely important, it is necessary to adopt an effective measure and solve the disaster of this area's frozen soil freeze thawing generation.
The utility model patent of CN201010217612.8 provides a kind of road for preventing and treating frozen ground regions road disease
Based structures, tunneling boring is laid with one layer of composite water drain-proof plate within the scope of foundation soil original ground roadbed bottom width when roadbed filling,
Lower embankment filled soil to road maximum is filled on composite water drain-proof plate and freezes deep absolute altitude, and it is deep to be laid with maximum jelly along roadbed tunneling boring again
Locate composite water drain-proof plate, continues to fill embankment base soil to design embankment absolute altitude, roadbed top surface tunneling boring is laid with vertical on roadbed
Body TGXG, road maximum freezes depths, embankment bottom original ground tunneling boring is laid with composite water drain-proof plate, on roadbed top surface edge
Subgrade cross section direction is laid with solid geogrid, the lower substrate composite water drain-proof plate being laid between embankment filled soil and foundation soil
Composite geo-membrane is upward, and it is downward to consider water geotextiles.It reduces roadbed humidity, improve roadbed overall stiffness, reduce seasonality
Frozen Ground Area the Frost Hazard of Road.But the utility model only reduces roadbed humidity, can not control temperature, under unfreezing
Still there is freeze injury generation.
The utility model of CN201710813729.4 provides a kind of heating system for preventing and treating seasonal frozen ground subgrade frost heave disaster
System and its installation method, heating system include heating device, temperature control device and power supply unit, and heating device is mounted in roadbed；
Heating device includes hot pin, heating tube, and heating wire is disposed in heating tube, and heating tube is mounted on the lower end of hot pin, heating wire ring
It is wound on the evaporator section of the hot pin；In roadbed and the condensation segment of hot pin and/or heating tube are equipped with temperature measuring device, temperature
Degree measuring device is connect with temperature control device；Temperature control device is also respectively connected with heating wire and power supply unit, and power supply unit is used for hair
Heated filament power supply.The efficient heat-conductive characteristic for giving full play to hot pin heats hot pin evaporator section using heating wire fever, so that working medium
It evaporates and exchanges heat in condensation segment and the soil body, improve soil temperature, prevent and treat freezing soil.But the utility model does not account for summer too
Positive energy photovoltaic power supply is superfluous, and winter insufficient influence, and does not mention influence of the moisture to roadbed, and summer hot pin condensation segment stops
Work, the device stop working.
Thus, however it remains there is multigelation in frost zone, can not be chronically at relatively stable physical state
Problem.
Summary of the invention
The purpose of the utility model is to provide a kind of temperature and humidity control system for frozen ground regions road structure,
Control and the generation for eliminating the freeze injury of roadbed seasonality, it is ensured that subgrade stability effectively inhibits the deformation of roadbed.
The technical scheme adopted by the utility model is that:
A kind of temperature and humidity control system for frozen ground regions road structure, including being set to the anti-of roadbed lower part
The thermal insulation layer of heating device and roadbed top in the middle part of drainage system, roadbed；The waterproof and water drainage system includes being set to roadbed bottom
The substrate composite water draining board in portion is equipped with gutter in the substrate composite water draining board side, above substrate composite water draining board
Freeze to be equipped with herringbone composite water draining board at line.
Further, the three V dimensional steel wire rack of the herringbone composite water draining board upward, composite geo-membrane downward, herringbone
The ratio of slope on slope is 3%；The composite geo-membrane of the substrate composite water draining board have waterproof function, direction upward, three-dimensional earthwork
Core is downward.
Further, the heating device is connected with the power supply unit of roadbed side and temperature and humidity controller, described warm and humid
Degree controller is connected by signal wire with power supply unit；Heating device is made of heating wire and heating tube, and power supply unit is by the sun
Energy battery pack, solar controller, battery, DC load composition, the temperature and humidity controller are existed by signal wire and setting
Temperature Humidity Sensor in roadbed is connected, and according to the temperature and humidity value that Temperature Humidity Sensor returns, whether control heating device
Electrified regulation is to adjust temperature and humidity.
Further, the heating wire is made of Nanoalloy material, and heating tube is coating steel pipe, the heating wire
Spiral surrounding is on the inside of heating tube, to improve heating effect.
Further, the thermal insulation layer is made of polystyrene foam plastics, and thick 0.05m is set to the road under road surface
In bed.
The utility model has the beneficial effects that
The utility model gives full play to heating wire and efficiently generates heat and the efficient heat-conductive characteristic of heating tube, is conducive to liquid in subgrade soils
The evaporation of state water guarantees that subgrade soils are long in conjunction with waterproof/drainage structure and the solar battery that can be powered for a long time for heating device
Phase is in low-water-content state, prevents and treats freezing soil, effectively inhibits the deformation of roadbed.
Specific manifestation are as follows: (1) heating wire of the utility model instant heating temperature under the conditions of DC low-voltage reaches as high as
It 360 DEG C, is not easy to break, can soak；Heating wire resistance value is uniform, more than myriametre maintains uniform resistance value；It can be in safe voltage
It generates heat under 7-24v, solar panels voltage can be matched；The heating wire produced using nanotechnology is economized on electricity than existing heating wire
90%.(2) in the thermal insulation layer of roadbed top setting, effectively heating temperature can be kept not escape.(3) by being laid in roadbed bottom
Substrate composite water draining board, when temperature reduces frozen ground regions roadbed in winter, freeze water (including freezable liquid water is gentle
State freeze water) it is migrated under temperature gradient effect from foundation soil to the lower roadbed direction of temperature, at this point, substrate composite water draining board
Composite geo-membrane can effectively separate water translocation channel, prevent foundation soil moisture from entering roadbed, ground herein is road
Hypobasal is connected the interlayer of natural earth, and the moisture by migrating upwards in ground can gather and by high water guide under composite geo-membrane
The three V dimensional steel wire rack infiltration of rate is discharged in the gutter of roadbed two sides；And by the way that herringbone composite water draining board is arranged,
In subgrade soils freezing process, composite geo-membrane can effectively prevent migrating in the upward embankment of lower embankment moisture and roadbed；Simultaneously most
The moisture that big jelly depths is gathered can reduce roadbed from the timely and effective discharge of three V dimensional steel wire rack of herringbone composite water drain-proof plate
Humidity.
Detailed description of the invention
Fig. 1 is the utility model cross-sectional configuration schematic diagram；
Fig. 2 is heating device structure chart；
In figure: 1. road surfaces, 2. roadbeds, 3. thermal insulation layers, 4. roadbeds, 5. Temperature Humidity Sensors, 6. heating devices, 7. herringbones
Composite water draining board, 8. substrate composite water draining boards, 9. signal wires, 10. temperature and humidity controllers, 11. power supply units, 12. gutters,
13. heating wire, 14. heating tubes.
Specific embodiment
As shown in Figure 1, a kind of temperature and humidity control system for frozen ground regions road structure, including it is set to road
The thermal insulation layer 3 of heating device 6 and roadbed top in the middle part of the waterproof and water drainage system of 4 lower part of base, roadbed；
The waterproof and water drainage system includes the substrate composite water draining board 8 for being set to 4 bottom of roadbed, in the substrate composite water draining board
8 sides are equipped with gutter 12, freeze at line above substrate composite water draining board 8 equipped with herringbone composite water draining board 7；It is described
Upward, downward, the ratio of slope on herringbone slope is 3% to composite geo-membrane to the three V dimensional steel wire rack of herringbone composite water draining board 7；The base
The composite geo-membrane of bottom composite water draining board 8 has waterproof function, and upward, three V dimensional steel wire rack is downward in direction.
The heating device 6 is connected with the power supply unit 11 of 4 side of roadbed and temperature and humidity controller 10, the temperature and humidity control
Device 10 processed is connected by signal wire 9 with power supply unit 11；Heating device 6 is made of heating wire 13 and heating tube 14, the fever
Silk 13 is made of Nanoalloy material, and heating tube 14 is coating steel pipe, and 13 spiral surrounding of heating wire is in heating tube 14
Inside, to improve heating effect (see Fig. 2).
The power supply unit 11 is made of solar battery group, solar controller, battery, DC load；The temperature
Humidity controller 10 is connected by signal wire 9 with the Temperature Humidity Sensor 5 being arranged in roadbed 4, when Temperature Humidity Sensor 5 returns
Temperature when being higher than 20% lower than 2 DEG C of setting value or humidity value, that is, water content, it is logical that temperature and humidity controller 10 controls heating device 6
Electric heating is to adjust temperature and humidity.
The thermal insulation layer 3 is made of polystyrene foam plastics, thick 0.05m, is set in the roadbed 2 under road surface 1.
The installation method of the utility model temperature and humidity control system, comprising the following steps:
(1) it is laid with guarded drainage composite plate: substrate composite water draining board 8 is laid in 4 bottom of roadbed, by it with water proof ability
Composite geo-membrane upward, three V dimensional steel wire rack downward, freeze above substrate composite water draining board 8, in roadbed at line be laid with herringbone
Shape composite water draining board 7, downward, three V dimensional steel wire rack is upward for composite geo-membrane；
(2) Temperature Humidity Sensor is buried: in each embedded one group of Temperature Humidity Sensor 5 of longitudinal upper 1/4 and 3/4 depth of roadbed 4,
Along road direction of advance, the distance between adjacent Temperature Humidity Sensor 5 is 15~25m；
(3) it is laid with heating device: being laid with horizontal heating tube 14 and cable in 1/2 depth of roadbed, heating tube is using back-shaped
Pipeline setting, the distance between adjacent heating tube are 2~2.5m, and heating wire 13 is prefabricated in heating tube；
(4) it is laid with thermal insulation layer: being laid with the polystyrol plastic foam plate of 0.05m thickness at 0.35m below roadbed top surface, make
For heat-insulating heat-preserving material；
(5) stringer and wiring: power supply unit 11 and temperature and humidity controller 10 are assumed in roadbed side, later, are led to
It crosses cable and power supply unit is connected with temperature and humidity controller, then temperature and humidity controller 10 is connected by cable with heating device 6；
Meanwhile temperature and humidity controller passes through signal transmssion line again and is connected respectively with heating device and Temperature Humidity Sensor.
Laboratory test shows the (make-up water two when ambient temperature is greater than 0 degree and can be to provide sufficient make-up water in roadbed
Kind available sources are respectively underground water and rain infiltration), moisture content and temperature are positively correlated；It is greater than 0 degree in ambient temperature on the contrary
And when partition make-up water, temperature more high-moisture percentage reduces faster；Therefore use guarded drainage composite plate separate underground water supply with
And in roadbed when moisture excess can timely and effective exclusion and the heating system by being arranged in roadbed with heating method evaporation water,
The moisture content of roadbed can be kept to be kept low for a long time, it is most important to stablizing for permafrost region roadbed.
Claims (5)
1. a kind of temperature and humidity control system for frozen ground regions road structure, which is characterized in that including being set to road
The thermal insulation layer (3) of heating device (6) and roadbed top in the middle part of the waterproof and water drainage system of base (4) lower part, roadbed；The guarded drainage system
System includes the substrate composite water draining board (8) for being set to roadbed (4) bottom, is equipped with draining in substrate composite water draining board (8) side
Gutter (12) freezes at line above substrate composite water draining board (8) equipped with herringbone composite water draining board (7).
2. a kind of temperature and humidity control system for frozen ground regions road structure as described in claim 1, feature
Be, the three V dimensional steel wire rack of the herringbone composite water draining board (7) upward, composite geo-membrane downward, the ratio of slope on herringbone slope
It is 3%；The composite geo-membrane of the substrate composite water draining board (8) have waterproof function, direction upward, three V dimensional steel wire rack court
Under.
3. a kind of temperature and humidity control system for frozen ground regions road structure as described in claim 1, feature
It is, the heating device (6) is connected with the power supply unit (11) of roadbed (4) side and temperature and humidity controller (10), the temperature
Humidity controller (10) is connected by signal wire (9) with power supply unit (11)；Heating device (6) is by heating wire (13) and heating tube
(14) it forms, power supply unit (11) is made of solar battery group, solar controller, battery, DC load, described warm and humid
Degree controller (10) is connected by signal wire (9) with the Temperature Humidity Sensor (5) being arranged in roadbed (4).
4. a kind of temperature and humidity control system for frozen ground regions road structure as claimed in claim 3, feature
It is, the heating wire (13) is made of Nanoalloy material, and heating tube (14) is coating steel pipe, the heating wire (13)
Spiral surrounding is on the inside of heating tube (14), to improve heating effect.
5. a kind of temperature and humidity control system for frozen ground regions road structure as described in claim 1, feature
It is, the thermal insulation layer (3) is made of polystyrene foam plastics, thick 0.05m, the roadbed (2) being set under road surface (1)
In.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820590797.9U CN208219327U (en) | 2018-04-24 | 2018-04-24 | A kind of temperature and humidity control system for frozen ground regions road structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820590797.9U CN208219327U (en) | 2018-04-24 | 2018-04-24 | A kind of temperature and humidity control system for frozen ground regions road structure |
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| Publication Number | Publication Date |
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| CN208219327U true CN208219327U (en) | 2018-12-11 |
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| CN201820590797.9U Expired - Fee Related CN208219327U (en) | 2018-04-24 | 2018-04-24 | A kind of temperature and humidity control system for frozen ground regions road structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108316081A (en) * | 2018-04-24 | 2018-07-24 | 西南科技大学 | A kind of temperature and humidity control system for frozen ground regions road structure |
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2018
- 2018-04-24 CN CN201820590797.9U patent/CN208219327U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108316081A (en) * | 2018-04-24 | 2018-07-24 | 西南科技大学 | A kind of temperature and humidity control system for frozen ground regions road structure |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181211 |
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| CF01 | Termination of patent right due to non-payment of annual fee |